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Compare Two PDF Files and Spot the Differences
Compare draft vs. final documents, contract revisions, or assignment updates side by side. Highlights modified regions automatically with pixel-level visual diff overlays.
Note on Visual Diffing: This tool compares visual differences between rendered page layouts. It highlights changes in text, images, margins, and formatting. It does not perform OCR or pure raw text comparison.
Version A (Original)
Drop Version A (Original) PDF
First document to compare
Format: .pdf
Version B (Revised)
Drop Version B (Revised) PDF
Second document to compare
Format: .pdf
Your documents are processed 100% locally in your browser. No files are ever uploaded to any server.
PDF Utility
Compare Two PDF Files and Spot the Differences
Upload two versions of a PDF document (such as a draft and final agreement, contract revisions, or assignment updates) to see a side-by-side visual comparison highlighting exactly what changed between them.
How it Works
1
Upload both PDF versions
Drop your original document into Version A and revised document into Version B.
2
Visual diff analysis
Pages are compared side-by-side with pixel-level difference overlays highlighting modified areas.
3
Inspect differences
Step through pages using the thumbnail strip to review changes or identify missing pages.
Key Benefits
- Side-by-side visual page comparison
- Automatic pixel diff highlighting on changed areas
- Page discrepancy detection (identifies missing or added pages)
- Thumbnail strip with change indicators per page
- 100% private in-browser analysis
Common Use Cases
- Checking contract revisions before signing
- Verifying layout or text changes between assignment drafts
- Comparing revised architectural plans or invoice updates