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Compare PDFs
Find pages whose rendering differs between two PDF versions without uploading the documents.
- 100% local
- Instant
- Free
- No account
- Works offline
- Workspace compatible
Your files are processed locally in your browser and are never sent to our servers.
Drop your file here
Recommended size: up to 100 MB
Processing…0 %
Why use this tool?
Load two PDF versions and compare their visual rendering page by page directly in your browser.
Smart processing
Process PDF documents easily with operations suited to their structure.
Supported formats
Imported PDF files and downloadable results depending on the selected operation.
Save time
Get a clean, ready-to-use result in seconds without installing software or configuring a complex workflow.
Fonctionnement
How does this tool work?
Pages are rendered locally at reduced resolution and compared by pixel sampling. The report lists changed pages and an average difference.
Find pages whose rendering differs between two PDF versions without uploading the documents.
Use PDFs with comparable layouts to make the result easier to interpret.
Yes. Comparison accepts two PDF resources and returns a reusable JSON report.
Use cases
Compare two versions
Quickly find pages that changed between two exports.
Compare PDFs
Compare two PDFs page by page and measure their visual differences locally.
Workspace / Pipeline
Yes. Comparison accepts two PDF resources and returns a reusable JSON report.
Guide
How to use this tool
- 1
1
Import the two PDFs to compare.
- 2
2
Run the local comparison.
- 3
3
Review the difference report.
Tips and best practices
- Use PDFs with comparable layouts to make the result easier to interpret.
- Compare two PDFs page by page and measure their visual differences locally.
- Yes. Comparison accepts two PDF resources and returns a reusable JSON report.
Frequently asked questions
Are the PDFs uploaded to a server?
No. Rendering and comparison happen locally.
Can I compare PDFs in a Pipeline?
Yes. Comparison accepts two PDF resources and returns a reusable JSON report.
Compare PDFs
Find pages whose rendering differs between two PDF versions without uploading the documents.
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