Paste two texts and instantly see word-level differences highlighted inside every changed line. Moved lines detected automatically. Compare locally, then export or share when you choose.
Up to 200,000 characters and 5,000 lines per side. One side may be empty.
Paste two texts above and click Compare
Differences highlighted word by word. Moved lines shown in blue. Press Ctrl+Enter to compare quickly.
See exactly which words changed, not just which lines.
Automatically detects when lines are moved, not deleted.
Export as PDF or Image. Share via link. Download as HTML.
Comparison runs locally. Shared links and exported files contain your text.
Everything you need to know about comparing texts online.
Paste your original text in the left box and modified version in the right. Click Compare to see additions in green, deletions in red, moved lines in blue, and word-level changes inline.
No. All comparison happens entirely in your browser using JavaScript. Comparison text is processed on your device. If you share a link or export, anyone you send it to can read the included text.
Yes, completely free. No signup or account. Compare up to 200,000 characters and 5,000 lines per side.
Compare up to 200,000 characters and 5,000 lines per side. Large or repetitive edits may use broader highlights, while keeping every character. For very long results, use HTML export; image and PDF exports have a height limit.
Upload .txt, .js, .ts, .py, .json, .html, .css, .md, .sql, .xml, and .csv files using the Upload File button on either panel.
Choose Share texts only to copy a link containing both input texts. To include automatic line explanations in a download, turn on Explain changes before exporting HTML, PDF or an image.