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Tech riderRev. 11 Oct 2026

TextWarden

Ch 476.9of 88Grammar checkers
  1. 1Runs onBrowser, Mac
  2. 2CostsFree plan
  3. 3Browser extensionYes
  4. 4Desktop appYes
  5. 5Mobile appNo
  6. 6Style suggestionsYes
  7. 7Tone detectionNo
7 lines stated Written from the maker's own pages: github.com
Visit site Alternatives
The TextWarden homepage

Overview

TextWarden is ranked #47 of 88 in grammar checkers on Specifiction. It runs on Browser extension, macOS. There is a free plan.

TextWarden plans and pricing

All plans
TextWarden Free macOS 14 Sonoma or later · English grammar checking · no account or subscription github.com · 11 Oct 2026

Compared on grammar checkers

Free plan
Yesgithub.com
Browser extension
Yesgithub.com
Desktop app
Yesgithub.com
Mobile app
Nogithub.com
Style suggestions
Yesgithub.com
Tone detection
Nogithub.com

Facts

What it does
TextWarden checks English spelling, grammar, punctuation, and style while you type across macOS apps.github.com · 11 Oct 2026
Local grammar engine
Grammar checking runs locally using the bundled Harper grammar checker.github.com · 11 Oct 2026
Writing suggestions
It offers real-time suggestions, one-click corrections, and a Fix All command for clear-cut errors.github.com · 11 Oct 2026
English dialects
Users can choose American, British, Canadian, Australian, or Indian English.github.com · 11 Oct 2026
Language detection
Optional local language detection can suppress English checks for passages confidently identified as one of 69 selected non-English languages; it does not translate or proofread them.github.com · 11 Oct 2026
Apple Intelligence
On macOS 26 or later, a compatible Apple M-series Mac can use Apple Intelligence for style suggestions, rewrites, and composition; these features are off by default.github.com · 11 Oct 2026
Integrations
The maker lists support for apps including Slack, Claude, ChatGPT, Perplexity, Apple Mail, Notion, Microsoft Word, Outlook, Teams, and supported browsers.github.com · 11 Oct 2026
Privacy
The maker says writing, prompts, corrections, settings, and usage statistics stay on the Mac, and that TextWarden has no cloud grammar service, telemetry, or analytics.github.com · 11 Oct 2026
Updates and signing
The configuration guide says release updates use an HTTPS appcast, EdDSA update signatures, Apple code signing, and notarized builds.github.com · 11 Oct 2026
Requirements
TextWarden requires macOS 14 Sonoma or later, an Intel or Apple Silicon Mac, and Accessibility permission to read and update text in other apps.github.com · 11 Oct 2026
Notable limits
Grammar checking is English-only, and the maker says some editors may not expose enough information for accurate underlines or safe corrections.github.com · 11 Oct 2026
Support
The maker invites users to report bugs or request features and ask questions through the project’s GitHub issue and discussion links.github.com · 11 Oct 2026
Project status
The maker describes TextWarden as an actively developed side project.github.com · 11 Oct 2026

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Where it ranks on Specifiction

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Sources