Compare PDF
NewUpload two versions of a PDF document and instantly see what changed between them. Additions, deletions, and modifications are highlighted with color coding — making it easy to review contracts, legal documents, technical specifications, and academic papers for changes. This tool performs a page-by-page text comparison, showing exactly what was added, removed, or modified in each document version.
Compare PDF
Compare two PDF documents and highlight differences.
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Upload two versions of a PDF to see what changed. Text additions are highlighted in green, deletions in red.
How to Use Compare PDF
- 1Upload the original PDF as Document A
- 2Upload the revised PDF as Document B
- 3Click "Compare Documents"
- 4Review highlighted differences page by page
- 5Export the comparison report
Your Privacy is Protected
Compare PDF runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.
Frequently Asked Questions
What types of differences are detected?
Text additions, deletions, and modifications are detected. Image changes are flagged at the page level.
Does page order matter?
The tool compares corresponding page numbers. If pages have been reordered, you can manually specify which pages to compare.