Safetyper

Extension

Freedom report

No signalScore 5.2

Runs widely0 of 6 device platforms
DocumentedThinly documented

Safetyper is ranked #83 of 88 in grammar checkers on Freedom251, made by Safetyper (Hungary). It runs on Browser extension.

Compared on grammar checkers

Browser extension: Yes

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The record

Purpose: Safetyper is a Grammarly alternative that provides AI-powered grammar, spelling, and punctuation corrections as you type.
Browser support: Safetyper is available as a Chrome and Firefox browser extension.
Website coverage: The extension is described as working on any website, including Gmail, Slack, and Notion.
AI providers: Users can provide their own OpenRouter or Groq API key, or run models locally with Ollama.
Local processing: The maker says Ollama runs locally and text stays on the user's machine without API calls or cloud processing.
Privacy: The maker says OpenRouter and Groq credentials stay on the user's device and are never stored on its servers.
Features: The project README lists universal input detection, smart caching, inline visual diffs, and adaptive icon positioning.
Open source: The project is open source under the Apache 2.0 license.
Pricing: The homepage says a usage-based subscription is coming soon; it does not list a price.
Free access: The maker's open-source philosophy says its projects are free, with no features behind paywalls.
Bring your own key: Users can use their own OpenRouter or Groq API key, and the maker says credentials stay on the device rather than its servers.
Extension features: The project lists universal input detection, smart caching, inline change highlighting, and adaptive icon positioning.
Cost and licensing: The maker describes its projects as free and open source with no features behind paywalls, and identifies Apache 2.0 as its license.
Subscription status: The homepage says a usage-based subscription is coming soon.

Where it ranks on Freedom251

Best Grammar Checkers in 2026#83 of 88

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Sources

safetyper.com· checked 12 Oct 2026
github.com/coollabsio/safetyper· checked 12 Oct 2026
safetyper.com/philosophy· checked 12 Oct 2026
coollabs.io/privacy-policy· checked 12 Oct 2026
chromewebstore.google.com/detail/safetyper/jfgghgeieficifndgplkla· checked 12 Oct 2026
coollabs.io/team· checked 12 Oct 2026