LexiLint

Spell-check entire webpages, not just input fields. AI grammar checking (beta) with your own API key. Offline & private.

Proofread the pages you read, not just the boxes you type into. LexiLint is the first browser extension that spell-checks entire webpages - articles, blog posts, documentation - not just input fields. Stop finding typos after publication. Catch them while reading. 🆕 v0.1.1: Improved grammar checking accuracy with critical bug fixes ✨ 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 AI GRAMMAR CHECKING (Beta - Free During Beta!) • Grammar, style, clarity, and punctuation checking • Powered by Google Gemini 2.0 Flash (free tier: 1500 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, quotes 🚀 HOW IT WORKS 1. Click the LexiLint icon in your browser toolbar 2. Click "Check Spelling" to scan the current page (offline, instant) 3. Click "Check Grammar (AI)" for AI-powered analysis (requires free API key) 4. Click on any highlighted error to see suggestions 5. Accept suggestions or add words to your custom dictionary 🎯 WHY LEXILINT? Competitors (Grammarly, LanguageTool) only work in input fields while you're typing. LexiLint is different: • Checks published content - Find errors in articles, docs, and blog posts BEFORE sharing • Works everywhere - News sites, GitHub READMEs, Medium articles, Notion pages • Privacy-first - Spell checking is 100% offline. Grammar checking uses YOUR API key with YOUR chosen provider • No subscription - Free spell checking forever. Grammar checking uses free AI tiers (Gemini: 1500 free requests/day) 🔧 CONFIGURATION Spelling Settings: • Choose US or UK English variant • Manage custom dictionary words • Enable auto-check on page load (coming soon) Grammar Settings (Beta): • Get a free API key from Google AI Studio (https://makersuite.google.com/app/apikey) • Test connection to verify setup • View usage stats and quota limits 🗺️ PROVIDER ROADMAP ✅ Google Gemini - Available now (free tier) 🚧 OpenAI ChatGPT - Coming soon 🚧 Anthropic Claude - Coming soon 🚧 Ollama (Local) - Coming soon (100% offline grammar checking!) Want a specific provider? Email us at lexilintapp@gmail.com 🔒 PRIVACY GUARANTEE LexiLint NEVER stores your data: • Spell checking: 100% offline, never leaves your device • Grammar checking: Text sent to YOUR chosen AI provider using YOUR API key • No tracking, no analytics, no data collection • API keys stored locally in Chrome's encrypted storage Full privacy policy: https://raunakkathuria.github.io/blog/lexilint/privacy 💬 BETA FEEDBACK We're in beta! Help us improve: • Email: lexilintapp@gmail.com • Subject: "LexiLint Beta Feedback" 🛠️ REQUIREMENTS • Chrome 90+ (for modern highlighting features) • For AI grammar checking: Free API key from Google AI Studio 📝 SUPPORT Having issues? Questions? We're here to help: • Email: lexilintapp@gmail.com • Response time: Usually within 24 hours --- Built with ❤️ for writers, developers, content creators, and anyone who reads on the web.