diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 4ec7c35..6179760 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,10 +4,8 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="b30e2810-c4c1-4aad-b134-794e52cc1c7d" name="Changes" comment="chore: remove unnecessary prop">
+    <list default="true" id="b30e2810-c4c1-4aad-b134-794e52cc1c7d" name="Changes" comment="fix: compute flow">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/components/options/TextareaWithDesc.tsx" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/pages/tools/csv/insert-csv-columns/index.tsx" beforeDir="false" afterPath="$PROJECT_DIR$/src/pages/tools/csv/insert-csv-columns/index.tsx" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -24,7 +22,7 @@
     <option name="PUSH_AUTO_UPDATE" value="true" />
     <option name="RECENT_BRANCH_BY_REPOSITORY">
       <map>
-        <entry key="$PROJECT_DIR$" value="main" />
+        <entry key="$PROJECT_DIR$" value="chesterkxng" />
       </map>
     </option>
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
@@ -43,122 +41,136 @@
     &quot;state&quot;: &quot;OPEN&quot;
   }
 }</component>
-  <component name="GitHubPullRequestState"><![CDATA[{
-  "prStates": [
+  <component name="GitHubPullRequestState">{
+  &quot;prStates&quot;: [
     {
-      "id": {
-        "id": "PR_kwDOMJIfts51PkS9",
-        "number": 22
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts51PkS9&quot;,
+        &quot;number&quot;: 22
       },
-      "lastSeen": 1741207144695
+      &quot;lastSeen&quot;: 1741207144695
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6NiNYl",
-        "number": 32
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6NiNYl&quot;,
+        &quot;number&quot;: 32
       },
-      "lastSeen": 1741209723869
+      &quot;lastSeen&quot;: 1741209723869
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6Nheyd",
-        "number": 31
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6Nheyd&quot;,
+        &quot;number&quot;: 31
       },
-      "lastSeen": 1741213371410
+      &quot;lastSeen&quot;: 1741213371410
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6NmRBs",
-        "number": 33
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6NmRBs&quot;,
+        &quot;number&quot;: 33
       },
-      "lastSeen": 1741282429036
+      &quot;lastSeen&quot;: 1741282429036
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts5zyFTs",
-        "number": 15
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts5zyFTs&quot;,
+        &quot;number&quot;: 15
       },
-      "lastSeen": 1741535540953
+      &quot;lastSeen&quot;: 1741535540953
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6QQB3c",
-        "number": 59
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6QQB3c&quot;,
+        &quot;number&quot;: 59
       },
-      "lastSeen": 1743018960900
+      &quot;lastSeen&quot;: 1743018960900
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6QMPEg",
-        "number": 58
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6QMPEg&quot;,
+        &quot;number&quot;: 58
       },
-      "lastSeen": 1743019452983
+      &quot;lastSeen&quot;: 1743019452983
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6QZvRI",
-        "number": 61
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6QZvRI&quot;,
+        &quot;number&quot;: 61
       },
-      "lastSeen": 1743103196866
+      &quot;lastSeen&quot;: 1743103196866
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     {
-      "id": {
-        "id": "PR_kwDOMJIfts6QqPrQ",
-        "number": 73
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6QqPrQ&quot;,
+        &quot;number&quot;: 73
       },
-      "lastSeen": 1743265865001
+      &quot;lastSeen&quot;: 1743265865001
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6Qp5nI",
-        "number": 72
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6Qp5nI&quot;,
+        &quot;number&quot;: 72
       },
-      "lastSeen": 1743338472110
+      &quot;lastSeen&quot;: 1743338472110
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6QsjlS",
-        "number": 76
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6QsjlS&quot;,
+        &quot;number&quot;: 76
       },
-      "lastSeen": 1743352150953
+      &quot;lastSeen&quot;: 1743352150953
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6Q0JBe",
-        "number": 82
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6Q0JBe&quot;,
+        &quot;number&quot;: 82
       },
-      "lastSeen": 1743470267269
+      &quot;lastSeen&quot;: 1743470267269
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6UE9-x",
-        "number": 102
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6UE9-x&quot;,
+        &quot;number&quot;: 102
       },
-      "lastSeen": 1747171977348
+      &quot;lastSeen&quot;: 1747171977348
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6XPua_",
-        "number": 117
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6XPua_&quot;,
+        &quot;number&quot;: 117
       },
-      "lastSeen": 1747929835864
+      &quot;lastSeen&quot;: 1747929835864
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6XY-mZ",
-        "number": 119
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6XY-mZ&quot;,
+        &quot;number&quot;: 119
       },
-      "lastSeen": 1748028108508
+      &quot;lastSeen&quot;: 1748028108508
     },
     {
-      "id": {
-        "id": "PR_kwDOMJIfts6Xdz4n",
-        "number": 120
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6Xdz4n&quot;,
+        &quot;number&quot;: 120
       },
-      "lastSeen": 1748282672214
+      &quot;lastSeen&quot;: 1748282672214
+    },
+    {
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6X_zxl&quot;,
+        &quot;number&quot;: 131
+      },
+      &quot;lastSeen&quot;: 1748881279494
+    },
+    {
+      &quot;id&quot;: {
+        &quot;id&quot;: &quot;PR_kwDOMJIfts6XsHfL&quot;,
+        &quot;number&quot;: 128
+      },
+      &quot;lastSeen&quot;: 1748881318360
     }
   ]
-}]]></component>
+}</component>
   <component name="GithubPullRequestsUISettings">{
   &quot;selectedUrlAndAccountId&quot;: {
     &quot;url&quot;: &quot;https://github.com/iib0011/omni-tools.git&quot;,
@@ -187,56 +199,56 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent"><![CDATA[{
-  "keyToString": {
-    "ASKED_ADD_EXTERNAL_FILES": "true",
-    "ASKED_SHARE_PROJECT_CONFIGURATION_FILES": "true",
-    "Docker.Dockerfile build.executor": "Run",
-    "Docker.Dockerfile.executor": "Run",
-    "Playwright.Create transparent PNG.should make png color transparent.executor": "Run",
-    "Playwright.JoinText Component.executor": "Run",
-    "Playwright.JoinText Component.should merge text pieces with specified join character.executor": "Run",
-    "RunOnceActivity.OpenProjectViewOnStart": "true",
-    "RunOnceActivity.ShowReadmeOnStart": "true",
-    "RunOnceActivity.git.unshallow": "true",
-    "Vitest.compute function (1).executor": "Run",
-    "Vitest.compute function.executor": "Run",
-    "Vitest.mergeText.executor": "Run",
-    "Vitest.mergeText.should merge lines and preserve blank lines when deleteBlankLines is false.executor": "Run",
-    "Vitest.mergeText.should merge lines, preserve blank lines and trailing spaces when both deleteBlankLines and deleteTrailingSpaces are false.executor": "Run",
-    "Vitest.parsePageRanges.executor": "Run",
-    "Vitest.removeDuplicateLines function.executor": "Run",
-    "Vitest.removeDuplicateLines function.newlines option.executor": "Run",
-    "Vitest.removeDuplicateLines function.newlines option.should filter newlines when newlines is set to filter.executor": "Run",
-    "Vitest.replaceText function (regexp mode).should return the original text when passed an invalid regexp.executor": "Run",
-    "Vitest.replaceText function.executor": "Run",
-    "Vitest.timeBetweenDates.executor": "Run",
-    "git-widget-placeholder": "#120 on chesterkxng",
-    "ignore.virus.scanning.warn.message": "true",
-    "kotlin-language-version-configured": "true",
-    "last_opened_file_path": "C:/Users/Ibrahima/IdeaProjects/omni-tools/src",
-    "node.js.detected.package.eslint": "true",
-    "node.js.detected.package.tslint": "true",
-    "node.js.selected.package.eslint": "(autodetect)",
-    "node.js.selected.package.tslint": "(autodetect)",
-    "nodejs_package_manager_path": "npm",
-    "npm.build.executor": "Run",
-    "npm.dev.executor": "Run",
-    "npm.lint.executor": "Run",
-    "npm.prebuild.executor": "Run",
-    "npm.script:create:tool.executor": "Run",
-    "npm.test.executor": "Run",
-    "npm.test:e2e.executor": "Run",
-    "npm.test:e2e:run.executor": "Run",
-    "prettierjs.PrettierConfiguration.Package": "C:\\Users\\Ibrahima\\IdeaProjects\\omni-tools\\node_modules\\prettier",
-    "project.structure.last.edited": "Problems",
-    "project.structure.proportion": "0.0",
-    "project.structure.side.proportion": "0.2",
-    "settings.editor.selected.configurable": "refactai_advanced_settings",
-    "ts.external.directory.path": "C:\\Users\\Ibrahima\\IdeaProjects\\omni-tools\\node_modules\\typescript\\lib",
-    "vue.rearranger.settings.migration": "true"
+  <component name="PropertiesComponent">{
+  &quot;keyToString&quot;: {
+    &quot;ASKED_ADD_EXTERNAL_FILES&quot;: &quot;true&quot;,
+    &quot;ASKED_SHARE_PROJECT_CONFIGURATION_FILES&quot;: &quot;true&quot;,
+    &quot;Docker.Dockerfile build.executor&quot;: &quot;Run&quot;,
+    &quot;Docker.Dockerfile.executor&quot;: &quot;Run&quot;,
+    &quot;Playwright.Create transparent PNG.should make png color transparent.executor&quot;: &quot;Run&quot;,
+    &quot;Playwright.JoinText Component.executor&quot;: &quot;Run&quot;,
+    &quot;Playwright.JoinText Component.should merge text pieces with specified join character.executor&quot;: &quot;Run&quot;,
+    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.git.unshallow&quot;: &quot;true&quot;,
+    &quot;Vitest.compute function (1).executor&quot;: &quot;Run&quot;,
+    &quot;Vitest.compute function.executor&quot;: &quot;Run&quot;,
+    &quot;Vitest.mergeText.executor&quot;: &quot;Run&quot;,
+    &quot;Vitest.mergeText.should merge lines and preserve blank lines when deleteBlankLines is false.executor&quot;: &quot;Run&quot;,
+    &quot;Vitest.mergeText.should merge lines, preserve blank lines and trailing spaces when both deleteBlankLines and deleteTrailingSpaces are false.executor&quot;: &quot;Run&quot;,
+    &quot;Vitest.parsePageRanges.executor&quot;: &quot;Run&quot;,
+    &quot;Vitest.removeDuplicateLines function.executor&quot;: &quot;Run&quot;,
+    &quot;Vitest.removeDuplicateLines function.newlines option.executor&quot;: &quot;Run&quot;,
+    &quot;Vitest.removeDuplicateLines function.newlines option.should filter newlines when newlines is set to filter.executor&quot;: &quot;Run&quot;,
+    &quot;Vitest.replaceText function (regexp mode).should return the original text when passed an invalid regexp.executor&quot;: &quot;Run&quot;,
+    &quot;Vitest.replaceText function.executor&quot;: &quot;Run&quot;,
+    &quot;Vitest.timeBetweenDates.executor&quot;: &quot;Run&quot;,
+    &quot;git-widget-placeholder&quot;: &quot;#131 on fork/ARRY7686/main&quot;,
+    &quot;ignore.virus.scanning.warn.message&quot;: &quot;true&quot;,
+    &quot;kotlin-language-version-configured&quot;: &quot;true&quot;,
+    &quot;last_opened_file_path&quot;: &quot;C:/Users/Ibrahima/IdeaProjects/omni-tools/src&quot;,
+    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
+    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
+    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
+    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
+    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
+    &quot;npm.build.executor&quot;: &quot;Run&quot;,
+    &quot;npm.dev.executor&quot;: &quot;Run&quot;,
+    &quot;npm.lint.executor&quot;: &quot;Run&quot;,
+    &quot;npm.prebuild.executor&quot;: &quot;Run&quot;,
+    &quot;npm.script:create:tool.executor&quot;: &quot;Run&quot;,
+    &quot;npm.test.executor&quot;: &quot;Run&quot;,
+    &quot;npm.test:e2e.executor&quot;: &quot;Run&quot;,
+    &quot;npm.test:e2e:run.executor&quot;: &quot;Run&quot;,
+    &quot;prettierjs.PrettierConfiguration.Package&quot;: &quot;C:\\Users\\Ibrahima\\IdeaProjects\\omni-tools\\node_modules\\prettier&quot;,
+    &quot;project.structure.last.edited&quot;: &quot;Problems&quot;,
+    &quot;project.structure.proportion&quot;: &quot;0.0&quot;,
+    &quot;project.structure.side.proportion&quot;: &quot;0.2&quot;,
+    &quot;settings.editor.selected.configurable&quot;: &quot;refactai_advanced_settings&quot;,
+    &quot;ts.external.directory.path&quot;: &quot;C:\\Users\\Ibrahima\\IdeaProjects\\omni-tools\\node_modules\\typescript\\lib&quot;,
+    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
   }
-}]]></component>
+}</component>
   <component name="ReactDesignerToolWindowState">
     <option name="myId2Visible">
       <map>
@@ -449,14 +461,7 @@
       <workItem from="1747929815472" duration="843000" />
       <workItem from="1748026506667" duration="2536000" />
       <workItem from="1748282636141" duration="478000" />
-    </task>
-    <task id="LOCAL-00150" summary="feat: crop png">
-      <option name="closed" value="true" />
-      <created>1741487705292</created>
-      <option name="number" value="00150" />
-      <option name="presentableId" value="LOCAL-00150" />
-      <option name="project" value="LOCAL" />
-      <updated>1741487705292</updated>
+      <workItem from="1749047510481" duration="879000" />
     </task>
     <task id="LOCAL-00151" summary="feat: crop png">
       <option name="closed" value="true" />
@@ -842,7 +847,15 @@
       <option name="project" value="LOCAL" />
       <updated>1748028055669</updated>
     </task>
-    <option name="localTasksCounter" value="199" />
+    <task id="LOCAL-00199" summary="fix: compute flow">
+      <option name="closed" value="true" />
+      <created>1748881153433</created>
+      <option name="number" value="00199" />
+      <option name="presentableId" value="LOCAL-00199" />
+      <option name="project" value="LOCAL" />
+      <updated>1748881153433</updated>
+    </task>
+    <option name="localTasksCounter" value="200" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -889,7 +902,6 @@
     <option name="CHECK_CODE_SMELLS_BEFORE_PROJECT_COMMIT" value="false" />
     <option name="CHECK_NEW_TODO" value="false" />
     <option name="ADD_EXTERNAL_FILES_SILENTLY" value="true" />
-    <MESSAGE value="feat: compress video" />
     <MESSAGE value="chore: compress video icon" />
     <MESSAGE value="fix: gif speed" />
     <MESSAGE value="fix: tsc" />
@@ -914,7 +926,8 @@
     <MESSAGE value="chore: revert create-tool.mjs" />
     <MESSAGE value="fix: misc" />
     <MESSAGE value="chore: remove unnecessary prop" />
-    <option name="LAST_COMMIT_MESSAGE" value="chore: remove unnecessary prop" />
+    <MESSAGE value="fix: compute flow" />
+    <option name="LAST_COMMIT_MESSAGE" value="fix: compute flow" />
   </component>
   <component name="XSLT-Support.FileAssociations.UIState">
     <expand />
diff --git a/package-lock.json b/package-lock.json
index 4241de4..9f5b3c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,6 +30,7 @@
         "formik": "^2.4.6",
         "jimp": "^0.22.12",
         "js-quantities": "^1.8.0",
+        "jszip": "^3.10.1",
         "lint-staged": "^15.4.3",
         "lodash": "^4.17.21",
         "mime": "^4.0.6",
@@ -38,6 +39,7 @@
         "notistack": "^3.0.1",
         "omggif": "^1.0.10",
         "pdf-lib": "^1.17.1",
+        "pdfjs-dist": "^5.2.133",
         "playwright": "^1.45.0",
         "rc-slider": "^11.1.8",
         "react": "^18.3.1",
@@ -2323,6 +2325,188 @@
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-18.3.1.tgz",
       "integrity": "sha512-/LLMVyas0ljjAtoYiPqYiL8VWXzUUdThrmU5+n20DZv+a+ClRoevUzw5JxU+Ieh5/c87ytoTBV9G1FiKfNJdmg=="
     },
+    "node_modules/@napi-rs/canvas": {
+      "version": "0.1.70",
+      "resolved": "https://registry.npmjs.org/@napi-rs/canvas/-/canvas-0.1.70.tgz",
+      "integrity": "sha512-nD6NGa4JbNYSZYsTnLGrqe9Kn/lCkA4ybXt8sx5ojDqZjr2i0TWAHxx/vhgfjX+i3hCdKWufxYwi7CfXqtITSA==",
+      "license": "MIT",
+      "optional": true,
+      "engines": {
+        "node": ">= 10"
+      },
+      "optionalDependencies": {
+        "@napi-rs/canvas-android-arm64": "0.1.70",
+        "@napi-rs/canvas-darwin-arm64": "0.1.70",
+        "@napi-rs/canvas-darwin-x64": "0.1.70",
+        "@napi-rs/canvas-linux-arm-gnueabihf": "0.1.70",
+        "@napi-rs/canvas-linux-arm64-gnu": "0.1.70",
+        "@napi-rs/canvas-linux-arm64-musl": "0.1.70",
+        "@napi-rs/canvas-linux-riscv64-gnu": "0.1.70",
+        "@napi-rs/canvas-linux-x64-gnu": "0.1.70",
+        "@napi-rs/canvas-linux-x64-musl": "0.1.70",
+        "@napi-rs/canvas-win32-x64-msvc": "0.1.70"
+      }
+    },
+    "node_modules/@napi-rs/canvas-android-arm64": {
+      "version": "0.1.70",
+      "resolved": "https://registry.npmjs.org/@napi-rs/canvas-android-arm64/-/canvas-android-arm64-0.1.70.tgz",
+      "integrity": "sha512-I/YOuQ0wbkVYxVaYtCgN42WKTYxNqFA0gTcTrHIGG1jfpDSyZWII/uHcjOo4nzd19io6Y4+/BqP8E5hJgf9OmQ==",
+      "cpu": [
+        "arm64"
+      ],
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@napi-rs/canvas-darwin-arm64": {
+      "version": "0.1.70",
+      "resolved": "https://registry.npmjs.org/@napi-rs/canvas-darwin-arm64/-/canvas-darwin-arm64-0.1.70.tgz",
+      "integrity": "sha512-4pPGyXetHIHkw2TOJHujt3mkCP8LdDu8+CT15ld9Id39c752RcI0amDHSuMLMQfAjvusA9B5kKxazwjMGjEJpQ==",
+      "cpu": [
+        "arm64"
+      ],
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@napi-rs/canvas-darwin-x64": {
+      "version": "0.1.70",
+      "resolved": "https://registry.npmjs.org/@napi-rs/canvas-darwin-x64/-/canvas-darwin-x64-0.1.70.tgz",
+      "integrity": "sha512-+2N6Os9LbkmDMHL+raknrUcLQhsXzc5CSXRbXws9C3pv/mjHRVszQ9dhFUUe9FjfPhCJznO6USVdwOtu7pOrzQ==",
+      "cpu": [
+        "x64"
+      ],
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@napi-rs/canvas-linux-arm-gnueabihf": {
+      "version": "0.1.70",
+      "resolved": "https://registry.npmjs.org/@napi-rs/canvas-linux-arm-gnueabihf/-/canvas-linux-arm-gnueabihf-0.1.70.tgz",
+      "integrity": "sha512-QjscX9OaKq/990sVhSMj581xuqLgiaPVMjjYvWaCmAJRkNQ004QfoSMEm3FoTqM4DRoquP8jvuEXScVJsc1rqQ==",
+      "cpu": [
+        "arm"
+      ],
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@napi-rs/canvas-linux-arm64-gnu": {
+      "version": "0.1.70",
+      "resolved": "https://registry.npmjs.org/@napi-rs/canvas-linux-arm64-gnu/-/canvas-linux-arm64-gnu-0.1.70.tgz",
+      "integrity": "sha512-LNakMOwwqwiHIwMpnMAbFRczQMQ7TkkMyATqFCOtUJNlE6LPP/QiUj/mlFrNbUn/hctqShJ60gWEb52ZTALbVw==",
+      "cpu": [
+        "arm64"
+      ],
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@napi-rs/canvas-linux-arm64-musl": {
+      "version": "0.1.70",
+      "resolved": "https://registry.npmjs.org/@napi-rs/canvas-linux-arm64-musl/-/canvas-linux-arm64-musl-0.1.70.tgz",
+      "integrity": "sha512-wBTOllEYNfJCHOdZj9v8gLzZ4oY3oyPX8MSRvaxPm/s7RfEXxCyZ8OhJ5xAyicsDdbE5YBZqdmaaeP5+xKxvtg==",
+      "cpu": [
+        "arm64"
+      ],
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@napi-rs/canvas-linux-riscv64-gnu": {
+      "version": "0.1.70",
+      "resolved": "https://registry.npmjs.org/@napi-rs/canvas-linux-riscv64-gnu/-/canvas-linux-riscv64-gnu-0.1.70.tgz",
+      "integrity": "sha512-GVUUPC8TuuFqHip0rxHkUqArQnlzmlXmTEBuXAWdgCv85zTCFH8nOHk/YCF5yo0Z2eOm8nOi90aWs0leJ4OE5Q==",
+      "cpu": [
+        "riscv64"
+      ],
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@napi-rs/canvas-linux-x64-gnu": {
+      "version": "0.1.70",
+      "resolved": "https://registry.npmjs.org/@napi-rs/canvas-linux-x64-gnu/-/canvas-linux-x64-gnu-0.1.70.tgz",
+      "integrity": "sha512-/kvUa2lZRwGNyfznSn5t1ShWJnr/m5acSlhTV3eXECafObjl0VBuA1HJw0QrilLpb4Fe0VLywkpD1NsMoVDROQ==",
+      "cpu": [
+        "x64"
+      ],
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@napi-rs/canvas-linux-x64-musl": {
+      "version": "0.1.70",
+      "resolved": "https://registry.npmjs.org/@napi-rs/canvas-linux-x64-musl/-/canvas-linux-x64-musl-0.1.70.tgz",
+      "integrity": "sha512-aqlv8MLpycoMKRmds7JWCfVwNf1fiZxaU7JwJs9/ExjTD8lX2KjsO7CTeAj5Cl4aEuzxUWbJPUUE2Qu9cZ1vfg==",
+      "cpu": [
+        "x64"
+      ],
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@napi-rs/canvas-win32-x64-msvc": {
+      "version": "0.1.70",
+      "resolved": "https://registry.npmjs.org/@napi-rs/canvas-win32-x64-msvc/-/canvas-win32-x64-msvc-0.1.70.tgz",
+      "integrity": "sha512-Q9QU3WIpwBTVHk4cPfBjGHGU4U0llQYRXgJtFtYqqGNEOKVN4OT6PQ+ve63xwIPODMpZ0HHyj/KLGc9CWc3EtQ==",
+      "cpu": [
+        "x64"
+      ],
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -4587,6 +4771,12 @@
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.9.0.tgz",
       "integrity": "sha512-ASFBup0Mz1uyiIjANan1jzLQami9z1PoYSZCiiYW2FczPbenXc45FZdBZLzOT+r6+iciuEModtmCti+hjaAk0A=="
     },
+    "node_modules/core-util-is": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.3.tgz",
+      "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ==",
+      "license": "MIT"
+    },
     "node_modules/cosmiconfig": {
       "version": "7.1.0",
       "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-7.1.0.tgz",
@@ -6388,6 +6578,12 @@
       "integrity": "sha512-QpLcX9ZSsq3YYUUnD3nFDY8H7wctAhQj/TFKL8Ya8v5fMm3CFXxo8zStsLAl780ltoYoo1WvKUVGBQK+1ifr7g==",
       "license": "MIT"
     },
+    "node_modules/immediate": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/immediate/-/immediate-3.0.6.tgz",
+      "integrity": "sha512-XXOFtyqDjNDAQxVfYxuF7g9Il/IbWmmlQg2MYKOH8ExIT1qg6xc4zyS3HaEEATgs1btfzxq15ciUiY7gjSXRGQ==",
+      "license": "MIT"
+    },
     "node_modules/import-fresh": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.3.0.tgz",
@@ -7119,6 +7315,54 @@
         "node": ">=4.0"
       }
     },
+    "node_modules/jszip": {
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/jszip/-/jszip-3.10.1.tgz",
+      "integrity": "sha512-xXDvecyTpGLrqFrvkrUSoxxfJI5AH7U8zxxtVclpsUtMCq4JQ290LY8AW5c7Ggnr/Y/oK+bQMbqK2qmtk3pN4g==",
+      "license": "(MIT OR GPL-3.0-or-later)",
+      "dependencies": {
+        "lie": "~3.3.0",
+        "pako": "~1.0.2",
+        "readable-stream": "~2.3.6",
+        "setimmediate": "^1.0.5"
+      }
+    },
+    "node_modules/jszip/node_modules/isarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha512-VLghIWNM6ELQzo7zwmcg0NmTVyWKYjvIeM83yjp0wRDTmUnrM678fQbcKBo6n2CJEF0szoG//ytg+TKla89ALQ==",
+      "license": "MIT"
+    },
+    "node_modules/jszip/node_modules/readable-stream": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.8.tgz",
+      "integrity": "sha512-8p0AUk4XODgIewSi0l8Epjs+EVnWiK7NoDIEGU0HhE7+ZyY8D1IMY7odu5lRrFXGg71L15KG8QrPmum45RTtdA==",
+      "license": "MIT",
+      "dependencies": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
+        "util-deprecate": "~1.0.1"
+      }
+    },
+    "node_modules/jszip/node_modules/safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+      "license": "MIT"
+    },
+    "node_modules/jszip/node_modules/string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "license": "MIT",
+      "dependencies": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
     "node_modules/keyv": {
       "version": "4.5.4",
       "resolved": "https://registry.npmjs.org/keyv/-/keyv-4.5.4.tgz",
@@ -7150,6 +7394,15 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/lie": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/lie/-/lie-3.3.0.tgz",
+      "integrity": "sha512-UaiMJzeWRlEujzAuw5LokY1L5ecNQYZKfmyZ9L7wDHb/p5etKaxXhohBcrw0EYby+G/NA52vRSN4N39dxHAIwQ==",
+      "license": "MIT",
+      "dependencies": {
+        "immediate": "~3.0.5"
+      }
+    },
     "node_modules/lilconfig": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/lilconfig/-/lilconfig-2.1.0.tgz",
@@ -8386,6 +8639,18 @@
       "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==",
       "license": "0BSD"
     },
+    "node_modules/pdfjs-dist": {
+      "version": "5.2.133",
+      "resolved": "https://registry.npmjs.org/pdfjs-dist/-/pdfjs-dist-5.2.133.tgz",
+      "integrity": "sha512-abE6ZWDxztt+gGFzfm4bX2ggfxUk9wsDEoFzIJm9LozaY3JdXR7jyLK4Bjs+XLXplCduuWS1wGhPC4tgTn/kzg==",
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=20.16.0 || >=22.3.0"
+      },
+      "optionalDependencies": {
+        "@napi-rs/canvas": "^0.1.67"
+      }
+    },
     "node_modules/peek-readable": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/peek-readable/-/peek-readable-4.1.0.tgz",
@@ -8778,10 +9043,17 @@
       "version": "0.11.10",
       "resolved": "https://registry.npmjs.org/process/-/process-0.11.10.tgz",
       "integrity": "sha512-cdGef/drWFoydD1JsMzuFf8100nZl+GT+yacc2bEced5f9Rjk4z+WtFUTBu9PhOi9j/jfmBPu0mMEY4wIdAF8A==",
+      "license": "MIT",
       "engines": {
         "node": ">= 0.6.0"
       }
     },
+    "node_modules/process-nextick-args": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==",
+      "license": "MIT"
+    },
     "node_modules/prop-types": {
       "version": "15.8.1",
       "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.8.1.tgz",
@@ -9426,6 +9698,12 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/setimmediate": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
+      "integrity": "sha512-MATJdZp8sLqDl/68LfQmbP8zKPLQNV6BIZoIgrscFDQ+RsvK/BxeDQOgyxKKoh0y/8h3BqVFnCqQ/gd+reiIXA==",
+      "license": "MIT"
+    },
     "node_modules/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
diff --git a/package.json b/package.json
index 1bebbe8..7e43cbe 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
     "formik": "^2.4.6",
     "jimp": "^0.22.12",
     "js-quantities": "^1.8.0",
+    "jszip": "^3.10.1",
     "lint-staged": "^15.4.3",
     "lodash": "^4.17.21",
     "mime": "^4.0.6",
@@ -55,6 +56,7 @@
     "notistack": "^3.0.1",
     "omggif": "^1.0.10",
     "pdf-lib": "^1.17.1",
+    "pdfjs-dist": "^5.2.133",
     "playwright": "^1.45.0",
     "rc-slider": "^11.1.8",
     "react": "^18.3.1",
diff --git a/src/components/ToolContent.tsx b/src/components/ToolContent.tsx
index 703128e..9e261ae 100644
--- a/src/components/ToolContent.tsx
+++ b/src/components/ToolContent.tsx
@@ -38,25 +38,25 @@ const FormikListenerComponent = <T,>({
   return null; // This component doesn't render anything
 };
 
-interface ToolContentProps<T, I> extends ToolComponentProps {
+interface ToolContentProps<Options, Input> extends ToolComponentProps {
   inputComponent?: ReactNode;
   resultComponent?: ReactNode;
   renderCustomInput?: (
-    values: T,
+    values: Options,
     setFieldValue: (fieldName: string, value: any) => void
   ) => ReactNode;
-  initialValues: T;
-  getGroups: GetGroupsType<T> | null;
-  compute: (optionsValues: T, input: I) => void;
+  initialValues: Options;
+  getGroups: GetGroupsType<Options> | null;
+  compute: (optionsValues: Options, input: Input) => void;
   toolInfo?: {
     title: string;
     description?: string;
   };
-  input?: I;
-  exampleCards?: CardExampleType<T>[];
-  setInput?: React.Dispatch<React.SetStateAction<I>>;
+  input?: Input;
+  exampleCards?: CardExampleType<Options>[];
+  setInput?: React.Dispatch<React.SetStateAction<Input>>;
   validationSchema?: any;
-  onValuesChange?: (values: T) => void;
+  onValuesChange?: (values: Options) => void;
   verticalGroups?: boolean;
 }
 
diff --git a/src/pages/tools/pdf/index.ts b/src/pages/tools/pdf/index.ts
index 0e2627b..c5f294f 100644
--- a/src/pages/tools/pdf/index.ts
+++ b/src/pages/tools/pdf/index.ts
@@ -4,11 +4,13 @@ import { meta as mergePdf } from './merge-pdf/meta';
 import { DefinedTool } from '@tools/defineTool';
 import { tool as compressPdfTool } from './compress-pdf/meta';
 import { tool as protectPdfTool } from './protect-pdf/meta';
+import { meta as pdfToEpub } from './pdf-to-epub/meta';
 
 export const pdfTools: DefinedTool[] = [
   splitPdfMeta,
   pdfRotatePdf,
   compressPdfTool,
   protectPdfTool,
-  mergePdf
+  mergePdf,
+  pdfToEpub
 ];
diff --git a/src/pages/tools/pdf/pdf-to-epub/index.tsx b/src/pages/tools/pdf/pdf-to-epub/index.tsx
new file mode 100644
index 0000000..952a716
--- /dev/null
+++ b/src/pages/tools/pdf/pdf-to-epub/index.tsx
@@ -0,0 +1,58 @@
+import { useState, useEffect } from 'react';
+import ToolFileResult from '@components/result/ToolFileResult';
+import ToolContent from '@components/ToolContent';
+import { ToolComponentProps } from '@tools/defineTool';
+import ToolPdfInput from '@components/input/ToolPdfInput';
+import { convertPdfToEpub } from './service';
+
+export default function PdfToEpub({ title }: ToolComponentProps) {
+  const [input, setInput] = useState<File | null>(null);
+  const [result, setResult] = useState<File | null>(null);
+  const [isProcessing, setIsProcessing] = useState<boolean>(false);
+
+  const compute = async (options: {}, input: File | null) => {
+    if (!input) return;
+    try {
+      setIsProcessing(true);
+      setResult(null);
+      const epub = await convertPdfToEpub(input);
+      setResult(epub);
+    } catch (error) {
+      console.error('Failed to convert PDF to EPUB:', error);
+    } finally {
+      setIsProcessing(false);
+    }
+  };
+
+  return (
+    <ToolContent
+      title={title}
+      input={input}
+      setInput={setInput}
+      initialValues={{}}
+      compute={compute}
+      inputComponent={
+        <ToolPdfInput
+          value={input}
+          onChange={(file) => setInput(file)}
+          accept={['application/pdf']}
+          title={'Input PDF'}
+        />
+      }
+      getGroups={null}
+      resultComponent={
+        <ToolFileResult
+          title={'EPUB Output'}
+          value={result}
+          extension={'epub'}
+          loading={isProcessing}
+          loadingText={'Converting PDF to EPUB...'}
+        />
+      }
+      toolInfo={{
+        title: 'How to Use PDF to EPUB?',
+        description: `Upload a PDF file and this tool will convert it into an EPUB format, suitable for most e-reader devices.`
+      }}
+    />
+  );
+}
diff --git a/src/pages/tools/pdf/pdf-to-epub/meta.ts b/src/pages/tools/pdf/pdf-to-epub/meta.ts
new file mode 100644
index 0000000..7f24758
--- /dev/null
+++ b/src/pages/tools/pdf/pdf-to-epub/meta.ts
@@ -0,0 +1,13 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+
+export const meta = defineTool('pdf', {
+  name: 'PDF to EPUB',
+  shortDescription: 'Convert PDF files to EPUB format',
+  description:
+    'Transform PDF documents into EPUB files for better e-reader compatibility.',
+  icon: 'material-symbols:import-contacts',
+  component: lazy(() => import('./index')),
+  keywords: ['pdf', 'epub', 'convert', 'ebook'],
+  path: 'pdf-to-epub'
+});
diff --git a/src/pages/tools/pdf/pdf-to-epub/service.ts b/src/pages/tools/pdf/pdf-to-epub/service.ts
new file mode 100644
index 0000000..5e0207a
--- /dev/null
+++ b/src/pages/tools/pdf/pdf-to-epub/service.ts
@@ -0,0 +1,144 @@
+import * as pdfjsLib from 'pdfjs-dist';
+import pdfjsWorker from 'pdfjs-dist/build/pdf.worker.min?url';
+import JSZip from 'jszip';
+
+// Set worker source for PDF.js
+pdfjsLib.GlobalWorkerOptions.workerSrc = pdfjsWorker;
+
+function formatTextToParagraphs(raw: string): string {
+  return raw
+    .split(/\n{2,}|\r{2,}/g) // Split on double line breaks
+    .map((p) => p.trim())
+    .filter((p) => p.length > 0)
+    .map((p) => `<p>${p.replace(/\n/g, ' ')}</p>`)
+    .join('\n');
+}
+
+export async function convertPdfToEpub(pdfFile: File): Promise<File> {
+  const arrayBuffer = await pdfFile.arrayBuffer();
+
+  const loadingTask = pdfjsLib.getDocument({ data: arrayBuffer });
+  const pdfDoc = await loadingTask.promise;
+  const numPages = pdfDoc.numPages;
+
+  // Extracting text
+  const pages: string[] = [];
+  for (let i = 1; i <= numPages; i++) {
+    const page = await pdfDoc.getPage(i);
+    const textContent = await page.getTextContent();
+
+    const pageText = textContent.items.map((item: any) => item.str).join('\n'); // Preserve line breaks better
+
+    pages.push(pageText);
+  }
+
+  const zip = new JSZip();
+
+  zip.file('mimetype', 'application/epub+zip', { compression: 'STORE' });
+
+  const metaInf = zip.folder('META-INF');
+  metaInf!.file(
+    'container.xml',
+    `<?xml version="1.0" encoding="UTF-8"?>
+<container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
+  <rootfiles>
+    <rootfile full-path="OEBPS/content.opf" media-type="application/oebps-package+xml"/>
+  </rootfiles>
+</container>`
+  );
+
+  const oebps = zip.folder('OEBPS');
+  const bookTitle = pdfFile.name.replace(/\.pdf$/i, '');
+
+  const contentOpf = `<?xml version="1.0" encoding="UTF-8"?>
+<package xmlns="http://www.idpf.org/2007/opf" unique-identifier="bookid" version="2.0">
+  <metadata xmlns:dc="http://purl.org/dc/elements/1.1/">
+    <dc:title>${bookTitle}</dc:title>
+    <dc:creator>Converted by omni-tools</dc:creator>
+    <dc:identifier id="bookid">${Date.now()}</dc:identifier>
+    <dc:language>en</dc:language>
+  </metadata>
+  <manifest>
+    <item id="ncx" href="toc.ncx" media-type="application/x-dtbncx+xml"/>
+    ${pages
+      .map(
+        (_, index) =>
+          `<item id="chapter${index + 1}" href="chapter${
+            index + 1
+          }.xhtml" media-type="application/xhtml+xml"/>`
+      )
+      .join('\n    ')}
+  </manifest>
+  <spine toc="ncx">
+    ${pages
+      .map((_, index) => `<itemref idref="chapter${index + 1}"/>`)
+      .join('\n    ')}
+  </spine>
+</package>`;
+
+  oebps!.file('content.opf', contentOpf);
+
+  const tocNcx = `<?xml version="1.0" encoding="UTF-8"?>
+<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1">
+  <head>
+    <meta name="dtb:uid" content="${Date.now()}"/>
+    <meta name="dtb:depth" content="1"/>
+    <meta name="dtb:totalPageCount" content="0"/>
+    <meta name="dtb:maxPageNumber" content="0"/>
+  </head>
+  <docTitle>
+    <text>${bookTitle}</text>
+  </docTitle>
+  <navMap>
+    ${pages
+      .map(
+        (_, index) =>
+          `<navPoint id="navpoint-${index + 1}" playOrder="${index + 1}">
+        <navLabel>
+          <text>Page ${index + 1}</text>
+        </navLabel>
+        <content src="chapter${index + 1}.xhtml"/>
+      </navPoint>`
+      )
+      .join('\n    ')}
+  </navMap>
+</ncx>`;
+
+  oebps!.file('toc.ncx', tocNcx);
+
+  pages.forEach((pageText, index) => {
+    const formattedBody = formatTextToParagraphs(pageText);
+
+    const chapterXhtml = `<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+  <title>Page ${index + 1}</title>
+  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+  <style>
+    body {
+      font-family: serif;
+      line-height: 1.6;
+      margin: 1em;
+    }
+    p {
+      margin-bottom: 1em;
+      text-align: justify;
+    }
+  </style>
+</head>
+<body>
+  <h1>Page ${index + 1}</h1>
+  ${formattedBody}
+</body>
+</html>`;
+
+    oebps!.file(`chapter${index + 1}.xhtml`, chapterXhtml);
+  });
+
+  const epubBuffer = await zip.generateAsync({ type: 'arraybuffer' });
+
+  return new File([epubBuffer], pdfFile.name.replace(/\.pdf$/i, '.epub'), {
+    type: 'application/epub+zip'
+  });
+}