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Tech riderRev. 12 Oct 2026

TextChecker

Ch 547.1of 88Grammar checkers
  1. 1Runs onBrowser
  2. 2CostsFree plan
  3. 3Browser extensionYes
  4. 4Style suggestionsYes
4 lines stated Written from the maker's own pages: github.com
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The TextChecker homepage

Overview

TextChecker is ranked #54 of 88 in grammar checkers on Specifiction. It runs on Browser extension. There is a free plan.

TextChecker plans and pricing

All plans
Free Free Free, open-source browser extension; users provide their own AI API keys and pay for API usage github.com · 12 Oct 2026

Compared on grammar checkers

Free plan
Yesgithub.com
Browser extension
Yesgithub.com
Style suggestions
Yesgithub.com

Facts

Purpose
TextChecker is a free, open-source alternative to the LanguageTool browser extension for AI-powered grammar, spelling, and style checking.github.com · 12 Oct 2026
AI providers
It supports Google Gemini, OpenAI GPT, and Anthropic Claude using the user's own API keys.github.com · 12 Oct 2026
Checks
It checks spelling, grammar, punctuation, and style.github.com · 12 Oct 2026
Checking modes
Users can enable configurable real-time checking or run checks on demand with Ctrl/Cmd + Shift + G.github.com · 12 Oct 2026
Suggestions
It underlines errors and offers click-to-fix popovers, plus a personal dictionary for words to ignore.github.com · 12 Oct 2026
Writing statistics
The extension tracks writing improvements with statistics.github.com · 12 Oct 2026
Languages
It supports English, German, Spanish, French, Portuguese, and other auto-detected languages.github.com · 12 Oct 2026
Integrations
Release v1.0.2 adds support for Google Docs.github.com · 12 Oct 2026
Browsers
The maker provides extension builds and installation instructions for Chrome, Edge, Brave, Arc, and Firefox.github.com · 12 Oct 2026
Privacy
The README says API keys are stored in Chrome sync storage, text is sent to the chosen AI provider only when checking, and the project uses no analytics or tracking.github.com · 12 Oct 2026
Data flow
The maker says API keys are sent only to the selected AI provider and text is sent there when grammar is checked.github.com · 12 Oct 2026
License
The project is released under the MIT License and invites contributions via pull request.github.com · 12 Oct 2026
Release
The GitHub releases page lists TextChecker v1.0.2, released February 2.github.com · 12 Oct 2026

Best TextChecker alternatives

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All accessCh 01 MerciApp Free planFree trialAndroid from €12/mo9.1 All accessCh 02 LanguageTool Free planBrowseriOS Free to start8.9 All accessCh 03 Microsoft Editor Free trialBrowserMac 8.8 All accessCh 04 Sapling Free planFree trialAPI from $5/mo8.8 All accessCh 05 Duden-Mentor Free planFree trialBrowser from €2.99/mo8.7 All accessCh 06 iGrammar Free planFree trialAndroid from $10/mo8.7

Where it ranks on Specifiction

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Sources