PDF Version Comparison
Spot every edit between two PDF versions with a privacy-first diff workflow.
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
Visual Analysis
- • Side-by-side comparison
- • Highlight differences
- • Layout change detection
- • Image modification tracking
Text Analysis
- • Word-level comparison
- • Addition/deletion tracking
- • Formatting change detection
- • Content similarity scoring
Reporting
- • Detailed change reports
- • Statistical analysis
- • Export capabilities
- • Version tracking
Key Features
Side-by-side diff workflow with severity tags for every change
Text, formatting, and image heuristics so non-visual edits are surfaced
Single-click export of the comparison report for audits or QA
Client-side parsing powered by pdf-lib and canvas diffing 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 – visual, text-only, or metadata – depending on the review you need.
Run the analysis to highlight content, layout, and asset changes directly in your browser.
Review the difference log, inspect statistics, and export a JSON report for sign-off.
Frequently Asked Questions
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