Compare & diff
File Compare
Line-by-line diff of two text files or pasted snippets.
Runs entirely in your browser — nothing is uploaded
Original
Changed
Frequently asked questions
What file types can I compare?
Any plain-text file: source code, CSV, logs, configuration, or Markdown. You can upload files or paste the text directly.
Are my files uploaded?
No. The diff is computed in your browser and the files never leave your device.