Private Grammar Checker - Harper
Firefox Elijah Potter View in store ↗
A private grammar checker for 21st Century English
Listing facts
- Store
- Firefox Add-ons
- Store ID
- 2916283
- Publisher
- Elijah Potter
- Website
- https://writewithharper.com
- Privacy policy
- None linked
- Users
- 6,189
- Rating
- 4.1 from 69 ratings
- Version
- 3.1.0
- Last updated in store
- Nov 6, 2026
- First seen by broext
- Nov 8, 2026
- Last checked
- 9 minutes ago
Listing changes
A new entry is recorded whenever the name, description, publisher, links, version or icon changes.
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Nov 8, 2026
Private Grammar Checker - Harper v3.1.0
Elijah Potter