What invisible characters are removed?

Zero-width spaces and joiners and the byte order mark are deleted; non-breaking and other special spaces are converted to ordinary spaces.

Is my text sent anywhere?

No. The text is processed in your browser as you type and is never uploaded or stored.

JavaScript is turned off. InspireTools processes files in your browser, so the tools need JavaScript to run.

Trim lines, collapse extra spaces and remove blank lines or invisible characters.