Compare text and visuals between two PDF documents.
Upload two PDF documents to inspect differences. Review word-level text changes, page counts, and visual page comparison side-by-side.
How to Use Compare PDF
- Select or drag and drop your file(s) into the Compare PDF workspace.
- Adjust the custom parameters, formats, or options to your requirements.
- Preview the processed output in real time and download the result instantly to your device.
Key Capabilities & Features
- 100% Client-Side Processing: Your data never leaves your computer or mobile device.
- Fast & Instant: Powered by modern WebAssembly and HTML5 browser APIs without upload delays.
- No Signups & No Watermarks: Completely free and unlimited for personal and professional use.
Privacy & Security Guarantee
At Toolbo, privacy is built directly into the software architecture. Compare PDF processes all inputs directly in client-side browser memory. There is no server upload, no remote file caching, and zero tracking of your document or media contents.
Frequently Asked Questions
- How are the two PDF files compared?
- The tool performs both text-level word comparison and visual page rendering side-by-side.
- Is any PDF data uploaded to a server?
- No. The entire comparison executes on-device in your browser using pdfjs-dist.
Related Online Tools
- Merge PDF — Combine multiple PDFs into one document.
- Split PDF — Split a PDF by page ranges.
- Text Compare — Compare two text blocks and highlight differences.