Site Header Editor.
Tools to modify the headers that browsers send to the web server.
By using filters or URL on the domain level and control the headers sent.
Edit any image on the Web - Turn Firefox into an image editor using Picture2Life, you can choose from hundreds of cool effects, create collages or animations!
automatically get a download link from Indowebster
With EPUBReader you can read ePub files just in Firefox. No additional software needed!
TFox (anteriormente TuentiFox) permite comunicarte y estar al d?a de tus cambios en la red social Tuenti
The hash maker! Create cryptographic hashes in more than 40 different algorithms, including the more popular MD5, SHA1, etc.
A simple extension that counts the number of open tabs per window and displays the count in the toolbar...
Web Accessibility Test.
You can have an idea, with a single click, of how accesible web sites are.
Spedr enables you to create short URLs by clicking an icon in url bar.
Snake is a clone of the popular Snake or Worm...