Document comparison, with receipts

Know what changed.
See the proof.

Compare two versions of a document, understand meaningful changes, and inspect the evidence behind every finding.

Live AI comparison is available. Upload two different documents and select Compare Documents to analyze them with Qwen3 via Cloudflare Workers AI. Explore Sample Analysis uses curated example data and does not call AI.

Cloudflare Free quota limits or provider outages may temporarily prevent live analysis. Identical documents may be compared without an AI call.

AI-generated findings may be incomplete or incorrect. Verified source quotations confirm text matches, not that an interpretation is correct. Always inspect the original documents.

Your documents

01

Old Version

Drop a document hereor choose a file from your device
02

New Version

Drop a document hereor choose a file from your device

TXT, Markdown, text-based PDF · 2 MB and 30,000 extracted characters per file · Up to 10 PDF pages · English supported

Documents are processed transiently on our server. Extracted content may be sent to Cloudflare Workers AI. ProofPath does not save comparisons; refreshing or closing clears your workspace. Source labels do not authenticate official rules.