Contact
Online Diff is maintained by a small team. The fastest way to reach us is via our public issue tracker on GitHub — no account required beyond a free GitHub login.
Report a bug
Something is broken or behaving unexpectedly? Let us know with steps to reproduce and your browser/OS.
Open bug report →Request a feature
Have an idea for a new comparison mode, format, or workflow improvement? We read every suggestion.
Open feature request →Ask a question
Not sure how something works, or want to discuss a use case? Open a question and we'll answer.
Ask a question →About your privacy
Online Diff itself never collects your data — everything runs in your browser. If you open a GitHub issue, your report is subject to GitHub's privacy policy. For details on what Online Diff does and does not collect, see our Privacy Policy.