Validate HTML

"Validate HTML" is a powerful Firefox addon designed to streamline the process of validating HTML code directly within the browser. With this addon, users can quickly check their HTML markup for errors and compliance with web standards
Validate HTML is available to install from Firefox Browser Add-ons and for download from this page. It has 1 daily users. The latest version is 1.0, and it was last updated a year ago.
View source code
Total download count: 0 (Only count downloads from Firefox-Stats)

Available versions

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

As a free user, you can only download the latest version.

Upgrade to download older versions
Version Download Size Download count Timestamp
1.0 XPI · ZIP · Source code 8.64K 0 2024-03-19

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.

  1. Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  1. In Firefox browser, go to about:addons to open Add-ons Manager
  2. Click on , then select Install Add-on From File
  3. Select the Validate HTML ZIP file from step 1. Validate HTML is now installed on your browser.

Similar add-ons

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

CSS Validation Checker CSS Validation Checker
Lô đề online
4 0.00 (0)
Html Validator Html Validator
Marc Gueury
8K 4.29 (28)
Accessibility Validator Accessibility Validator
789Bet
2 0.00 (0)
HTML Validators HTML Validators
Syj
- 0.00 (0)
HTML, CSS, JS Validator HTML, CSS, JS Validator
Martin Sullivan
2 0.00 (0)
ValidateX - HTML & XML Validator ValidateX - HTML & XML Validator
Nhà Cái Uy Tín
5 0.00 (0)
Show Element Tag Names Show Element Tag Names
SV388
1 0.00 (0)
CSS Lint Checker CSS Lint Checker
789BET
1 0.00 (0)
(X)HTML5 Checker (X)HTML5 Checker
Francesco De Stefano
97 3.75 (4)