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Zoho BluePencil: Free Grammar & Spell Checker

Chrome extension by Zoho Corporation · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 20 000 users, an established extension.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 5 screenshots

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

Users
20 000
Rating
3.7 (19 ratings)
Users, last 14 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
2.1.22
Updated in the store
2026-09-02
Published
2022-08-25
Manifest
V3
Browser access
8 permissions, 1 site pattern

How it has moved

Users
unchanged since 01.09
20k · 2 readings
2026-09-02: released 2.1.22
  1. 2026-09-0120k
  2. 2026-09-1420k
Rating
unchanged since 01.09
reviewsrating 3.68 · 2 readings
2026-09-02: released 2.1.22
  1. 2026-09-01reviews19rating3.68
  2. 2026-09-14reviews19rating3.68
Users
unchanged since 01.09
20k · 2 readings
2026-09-02: released 2.1.22
  1. 2026-09-0120k
  2. 2026-09-1420k
Rating
unchanged since 01.09
reviewsrating 3.68 · 2 readings
2026-09-02: released 2.1.22
  1. 2026-09-01reviews19rating3.68
  2. 2026-09-14reviews19rating3.68

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

Every site you visit. This extension can read and change the content of any page you open.

  • Read what you have copied clipboardRead
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
Show the remaining 5
  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
  • Put data on your clipboard clipboardWrite
  • Show you notifications notifications
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2.1.22

What changed recently

  1. Released version 2.1.22 (was 2.1.21)

The publisher

Zoho Corporation publishes 59 listings we track, 738k users between them. Listed website: zoho.com.

  1. Zoho Vault - Password Manager Zoho Corporation · Productivity · Workflow · published 2014-06-19 200k users ★ 3.9
  2. Writer - Extension & Clipper Zoho Corporation · Productivity · Workflow · published 2018-02-05 100k users ★ 4.2
  3. Notebook Web Clipper – Sticky Notes & Save Articles Zoho Corporation · Productivity · Workflow · published 2016-10-04 70k users ★ 4.2
Show 5 more from this publisher
  1. Zoho Assist - FREE Remote Support Tool Zoho Corporation · Productivity · Workflow · published 2014-12-15 30k users ★ 4.0
  2. Zoho CRM for Gmail Zoho Corporation · Productivity · Tools · published 2016-09-29 30k users ★ 3.9
  3. Zoho Annotator Zoho Corporation · Productivity · Workflow · published 2017-11-15 20k users ★ 4.7
  4. Zoho Writer Zoho Corporation · published 2010-12-08 20k users ★ 3.7
  5. Zoho Sheet Zoho Corporation · published 2010-12-08 20k users ★ 3.7

Like this one

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

  1. AI Spell & Grammar Checker Describes nearly the same job, smaller audience 26 users ★ 5.0
  2. AuroraWrite - Your Personal AI Writing Assistant Describes nearly the same job, smaller audience 5 users
  3. Open Grammarly Describes nearly the same job, smaller audience 26 users
  4. Prose: AI Grammar & Spell Checker for Chrome Describes nearly the same job, smaller audience 27 users ★ 5.0
  5. Oops: Got Your Back - Grammar Checker Describes nearly the same job, smaller audience 6 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.