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PrivateProof — On-Device Proofreader & Tone Checker

Chrome extension by hattheidi123 · Productivity · Tools

A Chrome extension in Productivity · Tools with 0 users, no reported installs.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 3 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
not published (the store states no audience for this listing)
Rating
not rated yet
Users, last 5 days
unchanged
Version
1.0.1
Updated in the store
2026-10-01
Published
2026-10-01
Manifest
V3
Browser access
4 permissions

How it has moved

Users
unchanged since 02.10
0 · 2 readings
2026-10-02: appeared in the store
  1. 2026-10-020appeared in the store
  2. 2026-10-060
Users
unchanged since 02.10
0 · 2 readings
2026-10-02: appeared in the store
  1. 2026-10-020appeared in the store
  2. 2026-10-060

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Add items to the right-click menu contextMenus
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

  1. Appeared in the store

The publisher

hattheidi123.

Like this one

Listings the catalog judges closest in what they say they do.

  1. Proofr – Private AI Proofreader & Rewriter Describes nearly the same job, smaller audience 14 users
  2. Prose: AI Grammar & Spell Checker for Chrome Describes nearly the same job, smaller audience 39 users ★ 5.0
  3. Proofpad — AI Writing Assistant Describes nearly the same job, smaller audience 4 users
  4. ChatGPT Proofreader Describes nearly the same job, smaller audience 5 users
  5. AI Proofreader Describes nearly the same job, smaller audience 1k users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.