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LexiLint

Catch typos before your readers do

That moment when you see a typo in your published post? Gone. One click, three seconds, every error found. Your words matter. Make them perfect.

✨ AI Grammar FREE Forever (with your API key) | Premium: Multi-provider + 7 Languages

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πŸŽ‰ AI Grammar FREE with your API key | v1.1.0 - Multi-Provider AI Support + 7 Languages

See LexiLint in Action

Features

✨

FREE Spell Checking (100% Offline)

  • Works on any webpage - no internet required
  • US & UK English dictionaries included
  • Custom dictionary - add technical terms, names, brands
  • No tracking, no data collection without consent
  • Instant results with visual highlights
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AI Grammar Checking (Free Forever with BYOK!)

  • Grammar, style, clarity, punctuation checking
  • Multi-provider support: Gemini (free), OpenAI (premium), Claude (premium)
  • Bring Your Own API Key (BYOK) - you control the data
  • Deterministic results - same page, same errors every time
  • Context-aware checking for headings, paragraphs, lists
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How It Works

  1. Click the LexiLint icon in your browser toolbar
  2. Click "Check Spelling" for offline scan (instant)
  3. Click "Check Grammar (AI)" for AI analysis (free with API key)
  4. Click highlighted errors to see suggestions
  5. Accept suggestions or add words to custom dictionary
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AI Providers

  • βœ… Google Gemini - Available (Free with BYOK)
  • βœ… OpenAI GPT-4 - Available (Premium)
  • βœ… Anthropic Claude - Available (Premium)
  • 🚧 Local LLM - Coming soon (100% offline!)

Want a specific provider? Email us

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Multi-Language Support

  • Free: English (US & UK)
  • Premium: +5 languages (French, German, Polish, Russian, Turkish)
  • Spell checking: All 7 languages supported
  • Grammar checking: English, French, German (more coming)
  • Auto-detect language from webpage

Why Not Just Use Grammarly?

Feature LexiLint Grammarly
Check published webpages βœ“ βœ—
Works on localhost/staging sites βœ“ βœ—
100% offline spell checking βœ“ βœ—
BYOK (Your own API key) βœ“ Free βœ—
Choose your AI provider βœ“ Multiple βœ— Locked in
Data collection Zero ⚠️ Yes
Privacy Your control ⚠️ Their servers
Check while typing in email/text fields βœ— βœ“
Works in Gmail, Google Docs, Slack βœ— βœ“
Real-time typing suggestions βœ— βœ“

Different Tools. Different Missions.

Grammarly helps you write. LexiLint helps you publish.

Writing emails? Use Grammarly. Checking your live website? That's us.

Both tools matter. Use the right one for the job.

Who Uses LexiLint?

✍️

Content Creators

"My words are my brand. I can't afford typos."

Publish with confidence. Every article. Every post. Every time.

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Developers & QA

"Ship fast, ship clean. No embarrassing launch days."

Check staging, localhost, anywhere. Before anyone else sees it.

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Professionals

"Typos cost me credibility. Not anymore."

Client sites. Presentations. Documentation. Perfect. Always.

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Perfectionists

"If it's worth writing, it's worth getting right."

You care about details. So do we. Every word matters.

LexiLint Premium

πŸŽ‰ Limited Time Offer - 50% OFF

Unlock multi-provider AI + 7 languages with Premium

Lifetime

$29.99
$59.99
-50%

One-time payment

  • βœ… All free features
  • βœ… OpenAI GPT-4 provider
  • βœ… Anthropic Claude provider
  • βœ… 5 additional languages
  • βœ… Priority support
  • βœ… Lifetime updates
Get Lifetime Access

Monthly

$2.99/mo
$5.99/mo
-50%

7-day free trial

  • βœ… All free features
  • βœ… OpenAI GPT-4 provider
  • βœ… Anthropic Claude provider
  • βœ… 5 additional languages
  • βœ… Test all languages risk-free
  • βœ… Cancel anytime
Start 7-Day Free Trial

πŸ’³ Secure checkout via Polar.sh (powered by Stripe)

πŸ”’ Monthly includes 7-day free trial

πŸ”‘ BYOK model - You provide your own API keys

πŸ”’

Your Words. Your Privacy.

We don't track you. We don't want your data. Your text never reaches our servers. Period.

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100% Offline Spell Checking

Spell checking never leaves your device. Zero data transmission. Works without internet.

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BYOK - Your API Key, Your Control

Grammar checking uses YOUR own API key. Text goes directly to YOUR chosen provider. We never see it.

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No Data Collection Without Consent

No tracking. No analytics. No telemetry. Your text stays private.

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Secure API Key Storage

API keys stored locally in Chrome's encrypted storage. Never synced to cloud.