PDF Compare
Compare two PDF documents and find text differences.
- Upload or drag-and-drop PDF files
- Extract and compare text content
- Visual diff with additions and deletions
- Similarity score calculation
- Export comparison report
Drop PDF file or click to browse
Drop PDF file or click to browse
How It Works
Paste Your Data
Enter your lists or text into the input areas. One item per line for lists.
Click Compare
Hit the compare button and get instant results. Processing happens in your browser.
Export Results
Copy to clipboard or download results as CSV/TXT for further use.
When to Compare PDF Files
Contract Revisions
Compare contract versions to identify changes in terms, conditions, or legal language.
Document Updates
Find what changed between document versions for compliance or audit purposes.
Academic Papers
Compare research paper revisions to track edits and updates made during peer review.
Legal Documents
Review legal document amendments to ensure no unauthorized changes were made.
Report Versions
Compare report drafts to see what data or text was updated between versions.
Policy Documents
Track changes in policy documents, handbooks, and procedures over time.
Frequently Asked Questions
Our tool extracts the text content from both PDF files and compares them line by line. Additions are highlighted in green and deletions in red, making differences easy to spot.
Our tool works best with text-based PDFs. For scanned documents or image-based PDFs, you may need to run OCR (Optical Character Recognition) first to extract the text.
Yes, completely private. Your PDF files are processed entirely in your browser using JavaScript. No data is ever uploaded to our servers.
There's no strict limit since processing happens locally. However, very large PDFs (100+ pages) may take longer to process depending on your device.
Currently, our tool works with unprotected PDFs. For password-protected files, you'll need to remove the password first using a PDF editor.