Private Grammar Checker - Harper

Developer not available Communication

Chrome Web Store Compare alternatives

By the numbers

STORE DATA

Reported users: 60,000
Store rating: 4.2 / 5
Number of ratings: 129
Last updated: Oct 16, 2026

From the developer's store listing

The private grammar checker for 21st Century English

Version: 2.13.0
Package size: 8.06MiB
Developer: Not available
Category: Communication
Extension ID: lodbfhdipoipcjmlebjbgmmgekckhpfb
Collected at: Oct 16, 2026 · 21:06 UTC
Store icon URL: View original icon
Source listing: Chrome Web Store

Permission access

Moderate

Permission scope describes declared capabilities. How scope is assigned

Requests access to all websites via <all_urls> (content_script_matches)

Manifest version: 3
All-sites access: Yes
Sensitive permissions: None declared in the collected data.

Requested browser APIs permissions (2)

storage
tabs

Host access host_permissions (1)

https://writewithharper.com/*

Content-script matches content_script_matches (2)

<all_urls>
https://docs.google.com/document/*

Optional permissions

Requested only at runtime if the user grants them. Shown as declared in the manifest; not part of the scope label.

None declared

Observed change history

First observed Oct 16, 2026; no changes recorded yet.