Contact

Send a useful note.

Report a broken result, suggest a practical utility, or ask how a tool handles your data.

Email us

General questions and anything else.

hello@thisuseful.com

Suggest a tool

Tell us what you'd like us to build next.

Share an idea →

Report a bug

Spotted something broken? Let us know.

Report it →

What helps with a bug report

Include the tool name, your browser and device, a non-sensitive example input, what happened, and what you expected. Please do not email passwords, API keys, private documents, or other confidential data.