SyncfusionExamples · deepika134 · Feb 20, 2026
diff --git a/Videos/Redaction/.gitignore b/Videos/Redaction/.gitignore
@@ -0,0 +1,24 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
diff --git a/Videos/Redaction/README.md b/Videos/Redaction/README.md
@@ -0,0 +1,22 @@
+# Redaction in PDF Viewer
+
+This section demonstrates how to redact PDF content using the Syncfusion React PDF Viewer.
+
+Documentation: https://help.syncfusion.com/document-processing/pdf/pdf-viewer/react/redaction/overview 
+
+
+## Running the React Sample
+To run the React sample
+
+Step 1: Open a terminal or command prompt.
+
+Step 2: Navigate to the root directory of the React sample.
+
+Step 3: Run the command npm install to install the necessary dependencies specified in the package.json file.
+```
+npm install
+```
+Step 4 Once the installation is complete, run npm start to start the React development server and open the PDF Viewer component in your default browser.
+```
+npm start
+```
diff --git a/Videos/Redaction/eslint.config.js b/Videos/Redaction/eslint.config.js
@@ -0,0 +1,29 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import { defineConfig, globalIgnores } from 'eslint/config'
+
+export default defineConfig([
+  globalIgnores(['dist']),
+  {
+    files: ['**/*.{js,jsx}'],
+    extends: [
+      js.configs.recommended,
+      reactHooks.configs.flat.recommended,
+      reactRefresh.configs.vite,
+    ],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+      parserOptions: {
+        ecmaVersion: 'latest',
+        ecmaFeatures: { jsx: true },
+        sourceType: 'module',
+      },
+    },
+    rules: {
+      'no-unused-vars': ['error', { varsIgnorePattern: '^[A-Z_]' }],
+    },
+  },
+])
diff --git a/Videos/Redaction/index.html b/Videos/Redaction/index.html
@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>redaction</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.jsx"></script>
+  </body>
+</html>
diff --git a/Videos/Redaction/package.json b/Videos/Redaction/package.json
@@ -0,0 +1,28 @@
+{
+  "name": "redaction",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+  "dev": "vite",
+  "start": "vite",
+  "build": "vite build",
+  "preview": "vite preview"
+},
+  "dependencies": {
+    "@syncfusion/ej2-react-pdfviewer": "*",
+    "react": "^19.2.0",
+    "react-dom": "^19.2.0"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.39.1",
+    "@types/react": "^19.2.5",
+    "@types/react-dom": "^19.2.3",
+    "@vitejs/plugin-react": "^5.1.1",
+    "eslint": "^9.39.1",
+    "eslint-plugin-react-hooks": "^7.0.1",
+    "eslint-plugin-react-refresh": "^0.4.24",
+    "globals": "^16.5.0",
+    "vite": "^7.2.4"
+  }
+}
diff --git a/Videos/Redaction/public/assets/pdf-succinctly.pdf b/Videos/Redaction/public/assets/pdf-succinctly.pdf
diff --git a/Videos/Redaction/public/assets/react.svg b/Videos/Redaction/public/assets/react.svg
diff --git a/Videos/Redaction/public/assets/redaction.pdf b/Videos/Redaction/public/assets/redaction.pdf
diff --git a/Videos/Redaction/public/vite.svg b/Videos/Redaction/public/vite.svg
diff --git a/Videos/Redaction/src/App.css b/Videos/Redaction/src/App.css
@@ -0,0 +1,42 @@
+#root {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 2rem;
+  text-align: center;
+}
+
+.logo {
+  height: 6em;
+  padding: 1.5em;
+  will-change: filter;
+  transition: filter 300ms;
+}
+.logo:hover {
+  filter: drop-shadow(0 0 2em #646cffaa);
+}
+.logo.react:hover {
+  filter: drop-shadow(0 0 2em #61dafbaa);
+}
+
+@keyframes logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  a:nth-of-type(2) .logo {
+    animation: logo-spin infinite 20s linear;
+  }
+}
+
+.card {
+  padding: 2em;
+}
+
+.read-the-docs {
+  color: #888;
+}
diff --git a/Videos/Redaction/src/App.jsx b/Videos/Redaction/src/App.jsx
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+import React from 'react';
+import './index.css';
+import {
+  PdfViewerComponent, LinkAnnotation, BookmarkView, Magnification, ThumbnailView, Navigation, Annotation,
+  TextSearch, TextSelection, Toolbar, Print, FormFields, FormDesigner, Inject
+} from '@syncfusion/ej2-react-pdfviewer';
+
+function App() {
+
+  const viewerRef = React.useRef(null);
+
+  const addRedactAnnotation = () => {
+    if (!viewerRef.current) return;
+    const viewer = viewerRef.current;
+    viewer.annotation.addAnnotation('Redaction', {
+      bound: { x: 460, y: 200, width: 75, height: 20 },
+      pageNumber: 1,
+      markerFillColor: '#0000FF',
+      markerBorderColor: 'red',
+      fillColor: 'red',
+      overlayText: 'Confidential',
+      fontColor: 'yellow',
+      fontFamily: 'Times New Roman',
+      fontSize: 8,
+      beforeRedactionsApplied: false
+    });
+  };
+
+
+  const editRedactAnnotation = () => {
+    if (!viewerRef.current) return;
+    const viewer = viewerRef.current;
+    const collection = viewer.annotationCollection;
+    const annotation = collection[1];
+    if (annotation.subject === 'Redaction') {
+      annotation.overlayText = 'EditedAnnotation';
+      annotation.markerFillColor = '#22FF00';
+      annotation.markerBorderColor = '#000000';
+      annotation.isRepeat = true;
+      annotation.fillColor = '#F8F8F8';
+      annotation.fontSize = 14;
+      annotation.fontColor = '#333333';
+      annotation.fontFamily = 'Symbol';
+      annotation.textAlign = 'Right';
+      viewer.annotation.editAnnotation(annotation);
+    }
+  };
+
+
+  const deleteAnnotationById = () => {
+    if (!viewerRef.current) return;
+    const id = (viewerRef.current).annotationCollection?.[1]?.annotationId;
+    if (id) {
+      viewerRef.current.annotationModule.deleteAnnotationById(id);
+    }
+  };
+
+  const addPageRedactions = () => {
+    if (!viewerRef.current) return;
+    const viewer = viewerRef.current;
+    viewer.annotation.addPageRedactions([3, 5, 7]);
+  };
+
+  const applyRedaction = () => {
+    if (!viewerRef.current) return;
+    const viewer = viewerRef.current;
+    viewer.annotation.redact();
+  };
+
+  return (
+    <div>
+      <div
+        style={{
+          display: 'flex',
+          alignItems: 'center',
+          justifyContent: 'space-between',
+          padding: '12px 18px',
+          borderBottom: '1px solid #e5e5e5',
+          backgroundColor: '#f9f9f9'
+        }}>
+        <h3 style={{ margin: 0 }}>React PDF Viewer</h3>
+        <div style={{ display: 'flex', gap: 8, flexWrap: 'wrap' }}>
+          <button id="addRedactAnnotation" type="button" onClick={addRedactAnnotation}>
+            Add Redaction Annotation
+          </button>
+          <button id="editRedactAnnotation" type="button" onClick={editRedactAnnotation}>
+            Edit Redaction
+          </button>
+          <button id="deleteAnnotationById" type="button" onClick={deleteAnnotationById}>
+            Delete Annotation By Id
+          </button>
+          <button id="addPageRedactions" type="button" onClick={addPageRedactions}>
+            Add Page Redaction
+          </button>
+          <button id="applyRedaction" type="button" onClick={applyRedaction}>
+            Apply Redaction
+          </button>
+        </div>
+      </div>
+      <div className="control-section">
+        <PdfViewerComponent
+          ref={viewerRef}
+          id="container"
+          documentPath={window.location.origin + '/assets/redaction.pdf'}
+          resourceUrl="https://cdn.syncfusion.com/ej2/31.2.2/dist/ej2-pdfviewer-lib"
+          style={{ height: '660px' }}
+        >
+          <Inject services={[
+            Magnification, Navigation, Annotation, LinkAnnotation, BookmarkView,
+            ThumbnailView, Print, Toolbar, TextSelection, TextSearch, FormFields, FormDesigner
+          ]} />
+        </PdfViewerComponent>
+      </div>
+    </div>
+  );
+}
+
+export default App;
diff --git a/Videos/Redaction/src/index.css b/Videos/Redaction/src/index.css
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+   @import '../node_modules/@syncfusion/ej2-base/styles/material.css';
+   @import '../node_modules/@syncfusion/ej2-buttons/styles/material.css';
+   @import '../node_modules/@syncfusion/ej2-dropdowns/styles/material.css';
+   @import '../node_modules/@syncfusion/ej2-inputs/styles/material.css';
+   @import '../node_modules/@syncfusion/ej2-navigations/styles/material.css';
+   @import '../node_modules/@syncfusion/ej2-popups/styles/material.css';
+   @import '../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css';
+   @import "../node_modules/@syncfusion/ej2-pdfviewer/styles/material.css";
diff --git a/Videos/Redaction/src/main.jsx b/Videos/Redaction/src/main.jsx
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+import { StrictMode } from 'react'
+import { createRoot } from 'react-dom/client'
+import './index.css'
+import App from './App.jsx'
+
+createRoot(document.getElementById('root')).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+)
diff --git a/Videos/Redaction/vite.config.js b/Videos/Redaction/vite.config.js
@@ -0,0 +1,7 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [react()],
+})