Here you can download the Mozilla Firefox extension that allows translation of websites via the right-click context-menu. Unlike the URL service, the extension can translate most dynamically generated and loaded content.

Subscribers have no limit on amount of daily translations performed using the extension.

Due to Mozilla Firefox‘s security settings, you may have to allow gramtrans.com to install extensions. Alternatively, you can download the extension and install from the local file.

You must be a registered user to download the Mozilla Firefox extension.
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Version History

• 2012-02-03 v0.9.0: Verified that it works with Firefox 10.0. Set upper limit at 10.* since Mozilla promise that future FF won’t invalidate old extensions.
• 2011-11-08 v0.9.0: Verified that it works with Firefox 7.0. Set upper limit at 9.*
• 2011-06-21 v0.8.9: Verified that it works with Firefox 5.0. Set upper limit at 7.*
• 2010-01-26 v0.8.8: Verified that it works with Firefox 4.0.
• 2010-01-26 v0.8.7: Verified that it works with Firefox 3.6. Set upper limit at 3.9.
• 2008-06-24 v0.8.6: Verified that it works with Firefox 3.5.
• 2008-06-05 v0.8.5: Verified that it works with Firefox 3.
• 2008-05-08 v0.8.4: Added Norwegian to Danish and English.
• 2008-01-24 v0.8.3: Blocked translation of FRAMESET and FRAME pages; Added Swedish to Norwegian.
• 2007-12-05 v0.8.2: Fixed language code for Swedish; Added English to Norwegian.
• 2007-09-10 v0.8: Initial public release.