Compare PDF
Find differences between two PDFs
Original PDF
Upload the first document
Modified PDF
Upload the second document
Browser Processing
Files processed locally in your browser
Auto Delete
Files automatically deleted after processing
No Sign-Up
Use all tools without creating an account
Works Everywhere
Any device, any browser, no installation
How to Compare PDFs
- 1
Select or drag two PDF files to compare.
- 2
Click compare to analyze differences between the files.
- 3
Review the highlighted differences between documents.
Why Compare PDF Files?
Document versions multiply quickly. Compare PDFs to identify exactly what changed between drafts, revisions, or versions - essential for contracts, legal documents, and collaborative work.
Common Comparison Scenarios
- Contract Revisions: See exactly what terms were added, removed, or modified.
- Legal Documents: Track changes in court filings and legal agreements.
- Policy Updates: Identify what changed in updated policies or procedures.
- Report Versions: Compare drafts to see editorial changes.
Interpretation Guide
Green highlights: New content added. Red highlights: Content removed. Side-by-side view: Compare the same sections directly.
Frequently Asked Questions
How do I compare two PDF files?
Upload both PDF files and our tool analyzes them, highlighting differences. See text added, removed, or changed between versions.
What types of differences can this tool detect?
The tool detects text additions, deletions, and modifications. It works best with text-based PDFs rather than scanned images.
Is the PDF comparison tool free?
Yes, our PDF compare tool is completely free with no registration required.
Can I compare PDFs with different page counts?
Yes, compare PDFs with different page numbers. The tool matches pages and shows which pages are unique to each document.
Can I compare scanned PDFs?
For scanned documents, run OCR first to make text recognizable, then compare the resulting files for best results.
How are differences displayed?
Additions are highlighted in green, deletions in red, and modifications show both old and new text. Navigate page by page to review all changes.
Can I compare contract revisions?
Yes! This tool is perfect for comparing contract versions, legal documents, and any text-based documents where tracking changes is important.
Does it compare formatting changes?
The tool focuses on text content differences. Font, color, and layout changes may not be highlighted unless they affect the text content.
Can I export the comparison results?
You can view the comparison on screen with highlighted differences. Take screenshots or use browser print for a record of changes.
What's the maximum file size for comparison?
Each PDF can be up to 200MB. Processing happens in your browser, so performance depends on document complexity and your device.