Instantly spot changes between PDF versions with intelligent visual comparison
The professional document comparison tool trusted by legal, financial, and compliance teams
Stop manually comparing documents line by line. Get instant visual feedback on what's changed.
All processing happens locally on your device. Your sensitive documents never leave your computer.
Advanced algorithms ensure perfect page alignment, even when documents have different pagination.
Our AI-powered algorithm automatically aligns pages between documents using local embeddings and intelligent clustering, ensuring accurate comparisons even when pagination differs.
Automatically handles documents with different page counts by inserting blank pages where appropriate, maintaining perfect alignment for easy visual comparison.
View both PDF documents simultaneously with synchronized scrolling and zoom controls, making it effortless to spot additions, deletions, and modifications.
Optimized performance ensures smooth navigation even with large documents. Compare hundreds of pages without lag or delays.
Synchronized zoom and pan controls let you examine details closely. Perfect for reviewing fine print and technical specifications.
No complex configuration needed. Install from Microsoft Store and start comparing documents immediately.
Compare quarterly and annual reports to identify changes in financial statements, risk factors, and management discussions. Perfect for SEC filings like 10-K and 10-Q forms.
Track contract revisions, amendments, and redlines with confidence. Ensure no changes slip through during negotiations or document reviews.
Monitor regulatory filing changes and ensure all modifications meet compliance requirements. Maintain audit trails of document evolution.
Review document modifications systematically. Verify that all changes are authorized and properly documented in your audit process.
Verify updates in proposals, reports, and presentations. Ensure version control and track evolution of important business documents.
Quickly identify material changes in prospectuses, offering documents, and investor reports that could impact investment decisions.
Choose your baseline document in the left panel
Load the updated version in the right panel
PDF Diff intelligently aligns both documents
Navigate synchronized pages to spot all changes
PDF Diff operates entirely on your local device. We never see, store, or transmit your documents.
Perfect for handling sensitive legal documents, confidential financial reports, and proprietary business information.