This page is part of the User Manual. - the client-side JavaScript based hex editor, can be found at


Jens Duttke
Eichenweg 16
59581 Warstein


In spite of careful testing before the release of a new version, I cannot eliminate the possibility of problems in unpredictable conditions. This could result in irretrievable damage to your files. I accept no liability for lost data.

Free software

This web app is free software - that means you can use it without to pay for it. You can even use it for commercial purposes, however downloading, which includes copying the code to another server and selling is prohibited.