Compare the extracted text of two PDF files side-by-side to highlight additions and deletions — free, private, in-browser.
Compare the extracted text of two PDFs to highlight changes.
Drop Original PDF
Drop Modified PDF
Comparing two documents line-by-line is essential in legal, academic, and business settings. The PDF Text Diff tool extracts all textual content from two PDF documents (Original and Modified) and runs a programmatic comparison. Added text is highlighted in bold green, and deleted text is highlighted in strike-through red, making changes instantly visible.
No. This is a text-based diff tool. For comparing visual differences or layout offsets, use the main Compare PDFs tool.
It supports any PDF containing selectable text. Scanned PDFs without OCR text will not have extractable text for comparison.
No. Everything runs locally in your browser. Your files never leave your device.