Compare two PDFs with a text diff — see additions and deletions line by line. Unique among casual online suites; great for contract revisions when both files have a text layer.
PDF
Compares extracted text layers. For scans, run OCR PDF first.
How it works
Both PDFs stay in your browser during compare.
1
Extract text
pdf.js pulls text from both PDFs locally.
2
Diff
The MIT diff library highlights changes. For scans, OCR first.
When you’d use this
Text-diff two PDFs side by side in your browser — A colleague sent a multi-part PDF and you only need a subset for a meeting pack. A portal rejects the file shape and you must fix it without desktop Acrobat.
FAQ
About compare two pdfs text diff
Visual pixel diff?
Not yet — this tool is text-focused.
What is Compare Two PDFs for?
Text-diff two PDFs side by side in your browser. It runs in your browser on SortMyFile so you can finish the job without an upload converter.
Does Compare Two PDFs upload files to SortMyFile?
No. Compare Two PDFs processes locally in the tab. We do not operate an upload API for this tool.
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