LexiLint icon
LexiLint icon

LexiLint

Privacy-first grammar and spell checker Chrome extension — 100% offline spell check, AI grammar with your own API key.

LexiLint screenshot 1

Cost / License

  • Freemium (Pay once or Subscription)
  • Proprietary

Application type

Platforms

  • Google Chrome
LexiLint screenshot 1
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Features

Properties

  1.  Privacy focused
  2.  Lightweight
  3.  AI-Powered

Features

  1.  Ad-free
  2.  Spell Checking
  3.  No registration required
  4.  No Tracking

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LexiLint information

  • Developed by

    IN flagIgniteApp

  • Licensing

    Proprietary and Freemium product.

  • Pricing

    One time purchase that costs $30, and / or subscription that costs $3 per month + free version with limited functionality.

  • Alternatives

    3 alternatives listed

  • Badge

    Get an embeddable badge for LexiLint

  • Supported Languages

    • English
    • Spanish
    • French
    • Russian
    • German
    • Polish
    • Turkish

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What is LexiLint?

LexiLint is a Chrome extension that checks spelling and grammar without sending your text to anyone's servers.

Spell checking is 100% offline — it uses local dictionaries and runs entirely on your device. Nothing leaves your browser. No tracking, no data collection.

Grammar checking uses AI (Google Gemini, OpenAI, or Anthropic Claude), but with your own API key. LexiLint never holds your key or your data — you're always in control.

Key features:

• Free offline spell check (US & UK English dictionaries included) • Custom dictionary for technical terms, names, and brand words • AI grammar checking — free forever with Gemini's free tier (BYOK) • Multi-provider: Gemini, OpenAI GPT-4, Anthropic Claude • 8 languages: English, Spanish, French, German, Polish, Russian, Turkish + more • MCP server available for Claude Desktop, Cursor, and other AI tools • Works on any webpage — no internet required for spell check

LexiLint is for writers, professionals, developers, non-native English speakers, and anyone who doesn't want a grammar tool reading their private writing.

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