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If a tool gave you the wrong result, tell us which tool you used, what you expected and what you got instead. Your browser and device help too.

Because the tools run on your device, we never see your files. If you can, attach a small sample that shows the problem, with anything private removed.

Have a task you repeat every week that a small tool could handle? Describe the job and the files involved. Requests that come up often get built first.

For questions about the data the site collects, or to make a request about it, email us with "Privacy" in the subject. The privacy policy explains what is and isn't collected.

We read every message and usually reply within a few working days.