LexiLint Logo

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.

Add to Chrome - Free
✨ AI Grammar FREE during Beta (with your API key)

Scan to install

🎉 Beta Special: AI Grammar FREE with your API key | v0.1.1 - Bug fixes & accuracy improvements

Ready for more power?

PRO launching soon. First 50 buyers: $24.50, not $49. Your API keys. Your choice of AI. Your rules.

Join Waitlist

See LexiLint in Action

🔒

Your Words. Your Privacy.

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

📴

100% Offline Spell Checking

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

🔑

BYOK - Your API Key, Your Control

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

🚫

No Data Collection Without Consent

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

🔐

Secure API Key Storage

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

Read Full Privacy Policy →

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
🤖

AI Grammar Checking (Beta - Free During Beta!)

  • Grammar, style, clarity, punctuation checking
  • Powered by Google Gemini 2.0 Flash (1500 free requests/day)
  • 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
⚡

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
🗺️

Provider Roadmap

  • ✅ Google Gemini - Available now (free tier)
  • 🚧 OpenAI ChatGPT - Coming soon
  • 🚧 Anthropic Claude - Coming soon
  • 🚧 Ollama (Local) - Coming soon (100% offline!)

Want a specific provider? Email us

Why Not Just Use Grammarly?

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

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.

🧪

Developers & QA

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

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

📝

Professionals

"Typos cost me credibility. Not anymore."

Client sites. Presentations. Documentation. Perfect. Always.

🔍

Perfectionists

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

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

LexiLint PRO Coming Soon

Unlimited AI grammar with your own API key (OpenAI, Claude, Anthropic)

  • ✅ BYOK - Your API key, your control, your data
  • ✅ OpenAI GPT-4, Anthropic Claude, Google Gemini
  • ✅ Custom prompts & export reports (PDF/HTML)
  • ✅ Model comparison (check with multiple AIs)
  • ✅ $79 $49 one-time payment (No subscription!)

Get 50% off launch - Join the waitlist

First 50 buyers get PRO for $24.50 instead of $49 at launch!

We'll only email you when PRO launches. Unsubscribe anytime.

🎯 Targeting launch: 6-8 weeks (after validation)