Html Validator
HTML Validator is a Mozilla extension that adds HTML validation inside Firefox, Mozilla. The number of errors of a HTML page is seen on the form of an icon For Firefox 56, use 0.974 (see all versions below). For Firefox 57, see Web Extensions.
7,110 users
HTML Validator Plus
Use an online HTML checker to check your HTML code. Use a syntax checker as an HTML error checker
6 users
BF3 Battlelog Player Count Validator
Displays accurate player count in Battlefield 3 battlelog server list
137 users
HTML, CSS, JS Validator
The utility checks and fixes HTML, CSS, and JavaScript errors on websites.
1 user
Validate HTML
Submits the HTML of the current tab to the W3C Validator. Source submitted is from a GET request not the DOM. Written out of the need to easily validate protected directories. Not advisable for use on pages with sensitive information.
63 users
eIDAS QWAC Validator
This add-on shows a grey EU-flag badge at the right of the address bar, that gets coloured in case the origin of the visited site is authenticated by means of a qualified web-access certificated (QWAC) pursuant to the “eIDAS” European Regulation.
8 users
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
1 user
Mail Validator
Mail validator is used to validate email. Functionality to check deliver-ability,valid format, free mail, disposable mail
1 user
SEO Audit Tool
Website analysis & SEO tool by iwebchk provides comprehensive website review in SEO, performance, validity, security, accessibility, social media, backlinks, visitors, technologies and usability.
165 users
SEO Minion
SEO Minion helps you in your daily SEO tasks such as On-Page SEO analysis, Broken Link Checking, Hreflang Checker, SERP Preview, Google Location Simulator and more
2,202 users
Code Editor
Powered by the Monaco Editor, it provides support for basic syntax colorization, IntelliSense, validation and Diff Editor features.
677 users
Accessibility Validator
The Accessibility Validator Firefox add-on is an essential tool for web developers and designers committed to ensuring their websites are accessible to all users. With its comprehensive suite of accessibility checks, this add-on quickly scans web
1 user
Email Validator
Validate emails, check deliverability, and filter out blacklists, spam traps, and complainers to reduce bounce rates.
0 users
eIDAS QWAC_Validator
To check if a website is certified with an eIDAS Qualified Website Authentication Certificate (QWAC), you can inspect its digital certificate details or use trusted EU trust list services. This ensures secure and verified identity.
0 users
HTML Valid
HTML Valid is an extension that validates HTML pages in Firefox, providing instant feedback on errors through an easy-to-read icon.
0 users
Jungle Scout
Amazon and FBA product research made easy. Extract rank, sales volume, estimated revenue and more without entering the product page.
3,671 users
