Mozilla Firefox is a popular browser that has a lot of addons that are available for download. One of the most popular and widely used Mozilla Addons is the Euskalbar for firefox browser.
This addon is created by Juanan Pereira Varela.
Basque dictionaries and other tools (corpora, spellcheckers, search engines...). Euskalbar is a Firefox toolbar that helps translating words from Basque to other languages and from other languages to Basque. you can download Euskalbar and install in your Mozilla firefox browser. Download Euskalbar mozilla addon for Mozilla Firefox From Addons directory. I am providing the Direct Addon Download link (xpi).