🔍100% Client-Side · Zero Server Uploads
Compare PDF
Compare two PDF files side-by-side with visual pixel diff highlighting to instantly spot changes and edits.
or drag & drop your files directly here
Files are processed locally in your browser and never uploaded to any server.
How to use Compare PDF
Follow these simple steps to process your files in seconds.
Upload 2 PDF documents
Upload Document A (Original / Draft) and Document B (Revised / Final).
Compare side-by-side or diff overlay
Switch between synchronous side-by-side view, pixel diff overlay (red for deletions, green for additions), or text diff.
Inspect differences
Navigate through pages and easily spot wording alterations, modified numbers, or formatting adjustments.
Frequently Asked Questions
How does the visual diff overlay work?
Our engine renders both documents and calculates pixel variations, highlighting additions in green and removed elements in red.
Can I compare contracts, agreements, and invoices?
Yes, it is specifically designed for legal professionals, students, and businesses to verify changes between revisions.
Are confidential contracts uploaded to a server?
No. Comparison runs 100% in your browser memory, keeping both files completely confidential.