AI Document Comparison
Compare Two PDF Documents — See Every Change Instantly
Upload an original and revised PDF. Our AI highlights every addition, deletion, and change in seconds — perfect for contract redlines, policy updates, and document versioning.
No signup required Files deleted after 1 hour Semantic comparison, not just text diff
Original Document
Upload original PDF
Revised Document
Upload revised PDF
Common Use Cases
Contract redlines & negotiations
Policy document version updates
Regulatory filing revisions
Academic manuscript edits
Software documentation changes
Legal brief amendments
Financial report updates
HR policy revisions
Terms of service changes
Frequently Asked Questions
What kinds of changes does the comparison detect?+
Added text (green), deleted text (red), modified sentences, moved paragraphs, and formatting changes. It uses semantic understanding, not just character-by-character diff.
Does it work with scanned PDFs?+
Yes. OCR is applied automatically to scanned documents before comparing. Accuracy depends on scan quality.
Is the comparison result downloadable?+
Yes. You can download the comparison report as a PDF with changes highlighted.
Are my documents kept private?+
Both files are encrypted in transit and auto-deleted after 1 hour. Document content is never stored.