i love this Add-on.
really works for me … Form History Control
Category: Firefox
For developer who work for PSD to XHTML Conversion jobs, i think the firefox adons 
is a must…
About Pixel Perfect:
Pixel Perfect is a Firefox/Firebug extension that allows web developers and designers to easily overlay a web composition over top of the developed HTML.
By toggling the composition on and off, the developer can visually see how many pixels they are off in development. Pixel Perfect also has an opacity option so that you can view the HTML below the composition. By being able to see both the composition and the HTML you can now simultaneously use Firebug while Pixel Perfect is still in action.
Although we do understand that all browsers render slightly different, and sometimes even OS dependencies come into play, we still believe Pixel Perfect is a great tool to help keep the integrity of the perfectionist designer.
- From the Firefox browser, click on on the “Bookmarks” menu located at the top of the window. Next, click on the “Organize Bookmarks” option.
- This brings you to a separate window which lists all existing bookmarks (favorite websites). From the File menu at the top, you have the option to Import and Export.
- If you need to import external bookmarks and merge them into Firefox, do so by clicking “Import” from the File menu. This allows you to import your favorites from Internet Explorer , or just an existing file you had saved in the past. Choose the desired option, and hit “Next” to search for your bookmarks. When done, click “Finish”.
- If you need to externally save existing Firefox bookmarks, click on the “Export” option from the File menu. Once you choose a save destination, you’re all set.
What is LOOP for Firefox?
LOOP for Firefox combines the award-winning Mozilla’s Firefox web browser with Drawloop’s free online document service making it easier than ever to upload, convert and combine multiple files to PDF.
https://addons.mozilla.org/en-US/firefox/addon/4738
Get Loop addons for Firefox
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