Canonical version history - 5 versions
Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 1.4
Released Nov 14, 2025 - 16.76 KBWorks with firefox 79.0 and laterAdded a new option to get clean URL if there's no canonical link, but the URL is messySource code released under Public Domain
Older versions
Version 1.3
Released Mar 26, 2025 - 13.92 KBWorks with firefox 58.0 and laterAdded a second check for websites that insert the canonical link lateSource code released under Public Domain
Version 1.2
Released Feb 7, 2023 - 13.87 KBWorks with firefox 48.0 and later, android 48.0 to 68.*Added ability to right-click and copy canonical URL (thanks https://github.com/Cimbali)Source code released under Public Domain
Version 1.1
Released Mar 16, 2018 - 10.69 KBWorks with firefox 48.0 and later, android 48.0 to 68.*1.1 (Mar 16, 2018) — Added tooltip for canonical URL to icon (thanks https://github.com/Enyby)Source code released under Public Domain
Version 1.0
Released Jan 24, 2018 - 10.26 KBWorks with firefox 48.0 and later, android 48.0 to 68.*Source code released under Public Domain