Compare PDF Files – Find Differences Between Two PDFs Free
Compare two PDF documents and highlight text differences page by page. Added content shown in green, removed in red. No upload required.
Original PDF
Click to upload
Modified PDF
Click to upload
Frequently Asked Questions
The tool extracts text from both PDFs using PDF.js and performs a line-by-line diff. It shows which text phrases were added (in green) and which were removed (in red) on each page.
No. Scanned PDFs contain images of text, not actual text data. Only text-based PDFs (created digitally) can be compared with this tool.
No — this tool compares text content only. Visual differences like font changes, images, or layout shifts are not detected. For visual comparison, use the Image Comparison Tool.
No hard limit. Very large PDFs may take a moment to process in the browser.
No. Both PDFs are processed entirely in your browser using PDF.js. Your documents never leave your device.
What is Compare PDF Files – Find Differences Between Two PDFs Free?
A PDF comparison tool finds the text differences between two PDF documents. It extracts the text from each page of both PDFs and performs a line-by-line diff, highlighting content that was added (shown in green) or removed (shown in red). Our tool uses PDF.js running in your browser.
How to Use Compare PDF Files – Find Differences Between Two PDFs Free
- 1Upload the original PDF.
- 2Upload the modified PDF.
- 3Click Compare PDFs.
- 4Review the page-by-page diff results.
Key Features
- ✓Page-by-page text comparison
- ✓Added content highlighted green
- ✓Removed content highlighted red
- ✓Summary of changed pages
- ✓Runs in your browser with PDF.js
- ✓No upload required
Benefits
- →Find changes in contract revisions
- →Verify document versions
- →Check if a PDF was altered
- →Compare report versions
Why Use Irreva for Compare PDF Files – Find Differences Between Two PDFs Free?
Frequently Asked Questions
Does it compare formatting and images?
No — text content only. Visual differences like layout, fonts, and images are not detected.
Is my PDF uploaded to a server?
No. Both PDFs are processed locally in your browser.
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