Imprescindibles

by mondoxibaro

8 Add-ons in this Collection

Video DownloadHelper by mig

Rated 4 out of 5 stars 8,708 reviews

3,673,581 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

Web Developer by chrispederick

Rated 5 out of 5 stars 285 reviews

291,435 users

The Web Developer extension adds various web developer tools to the browser.

Screengrab! by Oleksandr

Rated 5 out of 5 stars 294 reviews

92,855 users

Screengrab! Saves or upload webpages as images.

ScrapBook by Gomita

Rated 4 out of 5 stars 784 reviews

92,624 users

Helps you to save Web pages and organize the collection.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 207 reviews

30,735 users

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

Until Firefox 56, use 0.974 (other versions)
For Firefox 57, see Web Extensions below

gtranslate by Pau Tomàs, Pierre Bertet, others

Rated 4 out of 5 stars 505 reviews

51,327 users

With gtranslate you can translate any text in a web page just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.

ScrapBook Plus by haselnuss

Helps you to save web pages and organize the collection.

Hide BookmarksBar by Felix Kloft

Rated 4 out of 5 stars 112 reviews

3,754 users

Hides and shows the bookmarks toolbar.

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections

More by this User

See all collections by this user