Contact and corrections
Contact Online Guitar Tuner
Use the address below for factual corrections, reproducible tuner problems, privacy questions, and other site feedback.
Report a content error
Please include:
- the page URL and the exact claim that appears wrong;
- the correction you recommend;
- a primary or authoritative source when one is available.
Report a tuner problem
Please include:
- device, operating system, and browser version;
- instrument and target tuning;
- microphone or audio-interface details;
- the expected note and the note, frequency, or error shown;
- whether the problem repeats in a quiet room.
Privacy and legal
For information about microphone access and data handling, read the Privacy Policy. Use this same email for privacy or terms questions.
Editorial expectations
We evaluate correction requests against the editorial policy and, for product claims, the testing methodology. Sending a request does not guarantee publication, but it gives the team enough context to reproduce and evaluate the issue.