Lletrium! Spelling and Grammar Checker
Chrome extension by Artur · Productivity · Tools
A Chrome extension in Productivity · Tools with 57 users, barely installed.
Every site you visit. This extension can read and change the content of any page you open.
What the developer says, and 3 screenshots
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- 57
- Users, last 13 days
- +57
- Version
- 1.0.1
- Updated in the store
- 2026-11-09
- Published
- 2026-11-02
- Manifest
- V3
- Browser access
- 6 permissions, 1 site pattern
How it has moved
- 2026-11-030appeared in the store
- 2026-11-044
- 2026-11-066
- 2026-11-0715
- 2026-11-0818
- 2026-11-0919released 1.0.1
- 2026-11-1020
- 2026-11-1125
- 2026-11-1451
- 2026-11-1557
- 2026-11-030appeared in the store
- 2026-11-044
- 2026-11-066
- 2026-11-0715
- 2026-11-0818
- 2026-11-0919released 1.0.1
- 2026-11-1020
- 2026-11-1125
- 2026-11-1451
- 2026-11-1557
A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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.
-
Run its own code on the pages it can access
scripting -
Act on the current tab, but only after you click it
activeTab -
Put data on your clipboard
clipboardWrite
Show the remaining 3
-
Run work in a hidden page
offscreen -
Store data in your browser
storage -
Store data in your browser without the usual size limit
unlimitedStorage
Version history
- Version 1.0.1 · Asked for more permissions (7, was 6) (changed: browser permissions, sites that can connect to it)
What changed recently
- Package size changed
- Asked for more permissions (7, was 6) (changed: browser permissions, sites that can connect to it)
- Supported languages changed (3 → 4)
Show the remaining 3
- Store description rewritten
- Released version 1.0.1 (was 1.0.0)
- Appeared in the store
The publisher
Artur publishes 3 listings we track, 758 users between them.
-
Old Google Icons: Customize Workspace Icons 459 users
-
UPF timetable and calendar exporter 242 users
Like this one
Listings the catalog judges closest in what they say they do.
-
LinguaCheck – Corrector ortográfico y gramatical (ES, EN, FR…) 2 users
-
Expolita 53 users
-
LexiLint — Webpage Spell & Grammar Checker 229 users
-
EduCorrector 49 users
-
Spello — Spell & Grammar Checker 70 users
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 regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-15. We publish no contact details for extension developers.