Compare PDF
Find differences between two PDF documents
Original PDF
Modified PDF
About Compare PDF
Compare PDF is a free online tool for users who need a quick browser-based formatting, coding, or checking utility. It helps you find differences between two pdf documents without creating an account or installing desktop software.
The result is the generated or transformed value shown directly in the browser. client-side utility tools keep input on your device when possible. For server-side processing, files are automatically deleted after 30 minutes.
How to use Compare PDF
- Select your PDF file
- Review the processing options
- Apply the settings or generate the document
- Download the finished file
Key Features
- 100% free with no daily limits
- No registration or account needed
- Files automatically deleted after 30 minutes
- Fast server-side processing
Frequently Asked Questions
Everything you need to know about this tool
Upload both PDF files above and click Compare. The tool displays them side by side with added text highlighted in green and removed text highlighted in red. No account needed.
The tool detects text additions, deletions, and modifications. It compares the text content of each page and highlights changes visually. Formatting differences (fonts, colors) are not compared — only the actual text content.