PDF Tools
Compare PDF
Diff two PDFs line-by-line to surface every addition and removal.
Drop exactly two PDFs to compare
PDF, application/pdf · up to 100 MB · max 2 files
Features
Built for real work.
Line and sentence diff
Choose the granularity that matches your document.
Summary counts
See added, removed, and unchanged lines at a glance.
Fully client-side
Neither PDF ever leaves your browser.
How it works
Three steps, no friction.
- Step 1
Upload two PDFs
The first is treated as the baseline.
- Step 2
Diff
Text is extracted and compared line-by-line.
- Step 3
Download
Get a unified diff of additions and removals.
Benefits
Why teams choose WebRul.
- Spot changes between contract revisions
- Compare edited policies without wrangling Word
- Audit AI-generated document changes
FAQ
Questions, answered.
Does this compare visual layout?
Not today — this tool compares text content. Visual diffing (image overlay) will ship in a later release.
Can I compare scanned PDFs?
Run each scan through OCR first. Then bring the searchable outputs into Compare PDF.
Related tools
Keep the flow going.
Compress PDF
Shrink PDF file size while preserving quality and searchable text.
Merge PDF
Combine multiple PDFs into a single document in any order.
Split PDF
Extract every page as a standalone PDF or split by custom ranges.
Rotate PDF
Rotate all or selected pages of a PDF by 90°, 180°, or 270°.
Need something custom?
Talk to the WebRul team about custom integrations, private tooling, or enterprise access.