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Contact modu.tools

For site questions, privacy questions, feedback, or domain inquiries, email contact@modu.tools.

Privacy requests

Include "privacy" in the subject line if the request is about privacy, cookies, advertising disclosures, or data handling.

Domain inquiries

If you are asking about the `modu.tools` domain, include your intended use and preferred contact method in the email.

Bugs versus content mistakes

A tool bug is something you can reproduce: the same input yields the wrong count, valid JSON is rejected, or a control is unusable with a keyboard. A content mistake is a wrong limit in a table, a claim that disagrees with the cited source, or a broken in-site link. Suggestions should fit a browser-local static utility site; we may decline ideas that need accounts or server-side storage of user drafts.

What we can help with

Write to contact@modu.tools about tool bugs (a control that miscounts, a converter that rejects valid input, an accessibility issue you can reproduce), content errors in guides or tool documentation, and product suggestions that fit a browser-local static site. Privacy and advertising disclosure questions belong here too; put “privacy” in the subject as noted above.

We do not offer custom development, account recovery for third-party apps, or legal advice. If the question is unrelated to modu.tools, we may not be able to help.

How to report a mistake

A useful report includes: (1) the full page URL, (2) a short quote of the sentence, table cell, or UI label that looks wrong, and (3) a primary source when the claim is about a rule or limit—for example a National Institute of Korean Language page, an RFC, MDN, Kakao Business docs, or SOLAPI guidance. Screenshots help for UI bugs; for encoding issues, paste a minimal sample string that reproduces the problem.

We aim to review reports and to update the page and changelog when a fix is confirmed. Please do not send passwords, personal documents, or live API keys—examples can be masked.