GDocs to WordPress Markup Cleaner vs Firefox Add-ons

Comparing the features of GDocs to WordPress Markup Cleaner to Firefox Add-ons

Feature
GDocs to WordPress Markup Cleaner
Firefox Add-ons

Capability Features

Add Class to External Links
Add Class to Internal Links
Alternative Add-ons Search
Community Help Forums
Customization Options
External Link Target Option
Internal Link Target Option
Relative Internal Links
WordPress Markup Cleaning

Integration Features

Desktop Chrome Extension
Google Docs HTML Input
WordPress Editor Compatibility

Limitation Features

Extension or Theme Unavailable
No API Access
No Paid Plans
No Sublime Text Plugin
Possible Reasons for Removal
Developer removed itMozilla removed it
Potential for Reinstatement

Pricing Features

Free Forever