Extension Tracker

Private Grammar Checker - Harper

50,000 users Rated 4.15 from 124 ratings Last updated 17 Sep 2026

By Elijah Potter Live in the Chrome Web Store lodbfhdipoipcjmlebjbgmmgekckhpfb Last checked 27 Sep 2026, 22:41 UTC

The listing

What the Chrome Web Store shows, as of the last check

The private grammar checker for 21st Century EnglishSummary from the listing
Developer
Elijah Potter
Trader status
Declared a trader under EU law
Category
Productivity › Communication
First published
30 Apr 2025
Last updated
17 Sep 2026
Version
2.11.0
Size
8.03 MiB
Minimum Chrome
88
Languages
1 language

English

Open in the Chrome Web Store ↗ Download the CRX from Google ↗
Users over time As shown on the Chrome Web Store

Tracking began on 27 Sep 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-09-2750,0004.15124
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#2,506
by users, of 264,254 extensions
In its category
#43
of 6,861 in Communication

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites
  • https://writewithharper.com/*writewithharper.com
Sites where it runs scripts
  • <all_urls>Every website
  • https://docs.google.com/document/*docs.google.com
Browser features
  • storageSave settings and data in your browser
  • tabsRead the addresses and titles of your tabs

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 27 Sep 2026, 22:41 UTC; next check around 5 Oct 2026.

We don't copy descriptions, screenshots or developers' contact details. How we collect the data

Cite this page

Extension Tracker. “Private Grammar Checker - Harper” (lodbfhdipoipcjmlebjbgmmgekckhpfb). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/lodbfhdipoipcjmlebjbgmmgekckhpfb. Accessed 2026-09-27.
BibTeX
@misc{extensiontracker_lodbfhdipoipcjmlebjbgmmgekckhpfb,
  title   = {Private Grammar Checker - Harper (lodbfhdipoipcjmlebjbgmmgekckhpfb)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/lodbfhdipoipcjmlebjbgmmgekckhpfb},
  urldate = {2026-09-27}
}

The data is free to reuse under CC BY 4.0.