SUPPORT

Contact Diff Master

Need help using a comparison tool or reporting a problem? Email our support team with a short, non-sensitive description of what happened.

Email support

support@diff-master.comNo account is required to use Diff Master or contact support.

Please keep comparison content private

Do not email the files, text, source code, JSON, Markdown, passwords, API keys, access tokens or other sensitive content you are comparing. Support email is separate from the browser-based comparison process.

What you can include

  • The comparison tool and mode you were using.
  • Your browser and operating system.
  • A non-sensitive description of the issue and the steps to reproduce it.
  • A redacted or invented example, only if it is safe to share.

Response timing

We do not publish a response-time guarantee. Please avoid sending time-sensitive or confidential material by email.