HTML 5 Firefox

Download HTML 5

Download HTML 5 (current and past versions) for Firefox
Latest Version: 2.0 Updated: 7 years ago

Ready to install?

HTML 5 is available to install from Firefox Add-ons Store and for download from this page.
View source code
1
Daily users
4.7
6 ratings
1
Total downloads

Available versions

You can find the current and older versions of HTML 5 here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
VersionDownloadSizeDownload countTimestamp
2.0XPI · ZIP · Source code65.82KB12019-05-13
2.0 65.82KB
2019-05-13 · 1 downloads

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
  • Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  • Download the HTML 5 ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the HTML 5 ZIP file from step 1. HTML 5 is now installed on your browser.

Best HTML 5 Alternatives

Here are some Firefox add-ons that are similar to HTML 5: