Opera browser required.
Right clicking a page allows you to validate the page using W3C NU Validator.
How to use:
1. Right click any page
2. Select 'Validate this page'
3. See the Validation results in a new tab.
- This extension can access your data on all websites.
Screenshot
About the extension
- Downloads
- 15,893
- Category
- Developer Tools
- Version
- 1.5.1
- Size
- 3.4 KB
- Last update
- Aug. 25, 2015
- License
Related
-
Web Widgetizer
Web Widgetizer is a extension offering a range of features to enhance browsing. It allows users to create separate Opera windows for specific websites, manage favorite links, customize window dimensions, toggle auto-start, and open links in popup tabs via button click or shortcut (Ctrl + Shift + A). This versatile tool optimizes browsing convenience and efficiency.
Rating: Total number of ratings: 2
-
Web Developer
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
Rating: Total number of ratings: 112
-
HTML5 Editor
HTML5 Editor with CSS, JS, HTML validator and beautify code
Rating: Total number of ratings: 46
-
HexDump - Hex Viewer
Display file contents in hexadecimal, and ascii
Rating: Total number of ratings: 0
-
Sheets2JSON - Convert Google Sheets
Convert public Google Sheets into clean JSON or CSV. Sheet2JSON is a lightweight extractor that reads Google Sheets and outputs structured data formats that are ready to use in websites, apps, and scripts.
Rating: Total number of ratings: 0