HTML Tag Error Checker
Check the HTML start and end tags for problems.
HTML Tag Error Checker
Add-on stats
Weekly download count: 2
Firefox on Android: No
Risk impact: High risk impact 
Risk likelihood:
Manifest version: 2
Permissions:
- activeTab
- storage
- tabs
- contextMenus
Size: 1.66M
Ranking
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
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Add-on summary
This extension displays errors in the HTML code of the page you are viewing, such as mistakes in the opening and closing tags.
Main Features
- Displays results in a separate tab
- Shows the number of errors on the icon
- Automatic checking
- Settings for sites you want to automatically check
- Exclusion settings for specified sites
- Custom warning rules
- HTML File Analysis
Caution
The code is checked using JavaScript, so no data is sent externally. Behavior may be unpredictable on pages that use forms, such as login screens.
Add-on safety
Risk impact
HTML Tag Error Checker requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk likelihood
HTML Tag Error Checker is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
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