Compare PDF

Compare two versions of a PDF: text-level diff for digital files, visual diff for scanned documents, and a full summary report. All in your browser.

Both PDFs are processed locally. Nothing is uploaded to any server.

1. Select two PDFs

Original PDF

No file selected

Modified PDF

No file selected

2. Comparison mode

Auto analyzes both PDFs and picks the best method.

3. Options

Ignore letter case Ignore repeated spaces Ignore empty lines Highlight changed words

4. Visual diff options

Higher scale gives more precise pixel comparison but slower processing.

5. Run

6. Export report

Select two PDFs to compare them.

Compare two PDFs online

Compare two versions of a PDF locally in your browser. See added, deleted, and modified lines side-by-side, or run a visual comparison for scanned documents.