Lexilint

Catch typos before your readers do.

LexiLint is the first browser extension that spell-checks and grammar-checks entire webpages - articles, blog
posts, documentation - not just input fields. Stop finding errors after publication. Catch them while reading.

🆕 WHAT'S NEW (v1.1.3)
• Spanish language support added for spelling and grammar
• 8 languages now supported (English US/UK + 6 premium)
• AI Model Selection - Choose GPT-5, Claude Opus 4.5, Gemini 2.5 Pro
• Enhanced security with cryptographic license verification

✨ FEATURES

FREE SPELL CHECKING (100% Offline)
• Works on any webpage - no internet required
• US & UK English dictionaries included
• Custom dictionary - add technical terms, names, brand names
• Zero tracking, zero data collection
• Instant results with visual highlights

FREE AI GRAMMAR CHECKING
• Grammar, style, clarity, and punctuation checking
• Powered by Google Gemini 2.5 Flash (free tier: 1500 requests/day)
• Bring Your Own API Key (BYOK) - you control the data
• Context-aware checking for headings, paragraphs, lists, quotes

PREMIUM: MULTI-LANGUAGE SUPPORT (8 Languages)
• Free tier: English (US & UK)
• Premium tier: Spanish, French, German, Polish, Russian, Turkish
• All languages support both spelling AND grammar checking
• Test all languages during 7-day free trial

PREMIUM: ADVANCED AI PROVIDERS
• OpenAI GPT-5 / GPT-4 - Industry-leading grammar analysis
• Anthropic Claude Opus 4.5 / Sonnet 4.5 - Advanced reasoning and style
• Gemini 2.5 Pro / Flash - Fast and accurate checking
• AI Model Selection - Choose your preferred model
• All providers use BYOK (you provide your own API key)

🎯 WHY LEXILINT?

Unlike Grammarly/LanguageTool (input fields only), LexiLint checks:
• Published content - Find errors in live articles, docs, and blog posts
• 100% privacy-first - Offline spell check, your own API keys for grammar
• Free forever - Core features never require subscription

💎 PREMIUM PRICING

• Lifetime access: $29.99 (one-time payment)
• Monthly subscription: $2.99/month (7-day free trial, cancel anytime)

Secure checkout via Polar.sh (powered by Stripe)

🔒 PRIVACY GUARANTEE

• Spell checking: 100% offline, never leaves your device
• Grammar checking: Text sent to YOUR chosen AI provider using YOUR API key
• No tracking of your browsing or text content
• API keys stored locally in Chrome's encrypted storage
• Zero data collection, zero surveillance

Full privacy policy: https://igniteapp.net/lexilint/privacy/

💬 SUPPORT

• Email: lexilint@igniteapp.net
• Response time: Usually within 24 hours
• Feature requests welcome!

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Built with ❤️ for writers, developers, content creators, and anyone who reads on the web.