Compare two PDF files with a cleaner workflow
Upload an original and revised PDF. The files are processed locally in your browser.
Drop original PDF here
or click to choose a PDF file
Drop revised PDF here
or click to choose a PDF file
Maximum file size: 50 MB. Password-protected PDFs may not be readable in this version.
Visual preview
Preview pages from each PDF. Text comparison appears in the results below.
Original
Revised
Comparison results
Review summary stats and page-by-page changes.
Page-by-page changes
Detect changes between PDF versions with less friction.
GoPDFTools helps you compare document versions without sending files to a server. This first version focuses on extracted text and page-level changes.
Private PDF Comparison in Your Browser
PDF.js reads and renders your files locally. Your documents stay on your device during comparison.
Page-by-page summary
See which pages changed, which pages were added, and which pages were removed between versions.
Readable text diff
Review additions, deletions, and changed lines with clear highlights and exportable summaries.
How it works
Compare Two PDF Files Online with a simple browser workflow.
Choose your original and revised PDFs.
PDF.js extracts text and renders previews locally.
Review changed pages, additions, deletions, and export a report.
PDF Compare Tool FAQ
Keep your document workflow moving
Use PDF Compare to review revisions, then keep working with nearby tools like Merge PDF, Compress PDF, Split PDF, and Sign PDF.
The same privacy-first approach runs across the whole toolbox, so you can move from one task to the next without changing your workflow.
All PDF tools in one lightweight toolbox.
Every tool is free, fast and runs directly in your browser with no file uploads.