Document comparison workspace

Compare documents with confidence

Find differences between two documents quickly and securely. All processing happens in your browser.

Start a comparison

Supports DOCX, Excel, Markdown, and text

Add two versions

Upload your documents or paste text directly.

Choose how to compare

Use the standard engine or choose smart alignment.

Review and export

Navigate changes and export a visual HTML report.

Private by default

All comparisons are done locally in your browser. No data is uploaded to servers.

Nothing is uploaded

Review tools

Split

Unified

Change list

HTML / Markdown / TXT