Compare PDF Online
Highlight differences between two PDF documents
Original PDF
Drag & drop or click to select file
Modified PDF
Drag & drop or click to select file
Analyzing documents for differences...
Initializing comparison...
Comparison Results
Original Document
Modified Document
Precise Comparison
Detect even minor text and layout differences between documents.
Customizable Settings
Adjust sensitivity and comparison method for accurate results.
Secure Processing
Your files never leave your browser - maximum privacy.
How to Compare PDF Documents
Upload Files
Select your original and modified PDF files.
Set Options
Choose comparison method and sensitivity level.
View Results
See highlighted differences in your preferred view.
Online PDF Comparison Tool
Our PDF comparison tool helps you identify changes between two versions of a document quickly and accurately. Whether you're reviewing contract revisions, document updates, or version control, our tool highlights additions, deletions, and modifications.
Why Compare PDF Documents?
- Legal document review - Track changes in contracts or agreements
- Academic work - Compare different versions of papers or theses
- Business documents - Verify changes in reports or proposals
- Technical manuals - Identify updates between versions
Advanced Comparison Features
- Text comparison - Detect added, removed, or modified text
- Layout analysis - Identify formatting and positioning changes
- Multiple view modes - Side-by-side, overlay, or differences-only
- Adjustable sensitivity - Customize for major or minor changes
- No server processing - All analysis happens in your browser
This tool works entirely in your web browser - your files are never uploaded to any server, ensuring complete confidentiality. Works with all modern browsers on Windows, Mac, Linux, Android, and iOS devices.
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