PDF Version Comparison
Compare two PDF revisions with real browser-side checks for text, metadata, page count, and layout drift.
Drag & drop or click to select the original PDF (Max 50MB)
APPLICATION/PDF • Max 50MB per file
Drag & drop or click to select the revised PDF (Max 50MB)
APPLICATION/PDF • Max 50MB per file
Document Structure
- • Page-count verification
- • Page-size drift detection
- • Metadata field comparison
- • Binary revision fallback
Text Analysis
- • Word-level comparison
- • Addition/deletion tracking
- • Page-specific summaries
- • Content similarity scoring
Reporting
- • Detailed change reports
- • Statistical analysis
- • Export capabilities
- • Version tracking
Key Features
Page-by-page text diff summaries with added and removed word counts
Metadata, page-count, and page-size checks to catch structural document drift
Single-click export of the comparison report for audits or QA
Client-side parsing powered by pdf-lib and PDF.js to keep files private
Common Use Cases
Release Approvals
Make sure the latest contract or product sheet only contains expected revisions before shipping.
Compliance & QA
Document every change between regulated filings or security policies with downloadable reports.
Design Review
Compare branded PDFs to spot layout or asset drift before presenting to stakeholders.
How to Use
Upload the original PDF on the left and the revised version on the right (up to 50 MB each).
Pick the comparison mode – full, text-only, or metadata-first – depending on the review you need.
Run the browser-side analysis to inspect text, metadata, page count, and layout differences.
Review the change log, inspect statistics, and export a JSON report for sign-off.
Frequently Asked Questions
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