MaiLint AI - Gmail Extension That Validates Every Email

AI-powered Gmail extension for professionals. Create custom Playbooks to validate every email against your standards. Free to start.

✨ Transform Your Gmail Into an AI-Powered Email Intelligence Platform MailLint AI feels like a native Google feature - seamlessly integrated, beautifully simple, zero clutter. Click send in Gmail and our AI instantly validates everything. If perfect, your email sends automatically. If not, you see exactly what to fix. No complicated setup, no learning curve - just better emails every time. Define any validation rules in plain language, work in 100+ languages, and ensure every email meets your exact standards before sending. 🎯 UNLIMITED CAPABILITIES - THE SKY IS THE LIMIT Unlike basic grammar checkers with fixed rules, MailLint understands ANY instruction you give it: • Validate ANYTHING - Subject lines, recipients, attachments, body content, tone, technical accuracy, compliance, cultural appropriateness, business logic • Work in ANY LANGUAGE - Full AI understanding in 100+ languages including English, Spanish, French, German, Chinese, Japanese, Arabic, Russian, Portuguese • Define ANY RULES - Company policies, legal requirements, brand voice, technical standards, cultural norms - describe it in plain language • Handle ANY CONTEXT - New emails, replies, forwards, complex threads, multilingual communications • Support ANY INDUSTRY - Customer support, sales, legal, marketing, engineering, healthcare, finance, education, government Your imagination is the only limit. If you can describe what you want checked or generated, MailLint does it. ⚡ SEAMLESS WORKFLOW - FEELS LIKE NATIVE GMAIL MailLint works exactly how you'd expect a Google feature to work: 1. Compose your email in Gmail as usual 2. Click "Send" - MailLint analysis kicks in automatically 3. If everything is perfect → Email sends immediately 4. If issues found → See exactly what needs fixing with one-click solutions Toggle analysis on/off per email - you're always in control. No complicated interfaces, no cluttered sidebars, no learning curve. It just works. 🔍 COMPREHENSIVE EMAIL VALIDATION MailLint analyzes EVERYTHING in your emails, not just grammar: ✓ Subject Line Quality - Effectiveness, clarity, appropriateness ✓ Recipient Validation - Wrong person warnings, missing CC/BCC, distribution checks ✓ Attachment Intelligence - Missing files, inappropriate types, security concerns ✓ Body Content - Grammar, tone, clarity, professionalism, brand voice, compliance ✓ Thread Context - Full conversation history analysis for replies and forwards ✓ Cultural Appropriateness - Cross-cultural communication validation ✓ Business Logic - Workflow requirements, approval processes, custom rules Real-time feedback appears directly in Gmail with specific problem highlighting and actionable fixes. 🎨 PLAYBOOKS - THE DIAMOND FEATURE Playbooks are what make MailLint special. They're your custom AI instructions written in plain language that work for BOTH email analysis and generation. Think of them as your personal email assistant that knows exactly how YOU want emails written and validated. 💎 Custom Playbooks: Write any rules you want in natural language - no coding, no checkboxes, no complicated forms. Just describe what you want: "Always empathetic but assertive" "Keep under 150 words" "Include HIPAA compliance footer" "Write in professional Mexican Spanish" "Verify API endpoint formats are correct" "For orders over $10K, CC finance team" "Use formal Japanese business conventions" "Check if I sound too apologetic" "Ensure response addresses emotional subtext" The AI understands exactly what you mean and applies these rules automatically every time you send an email. ✨ System Playbooks: Pre-built templates to get started instantly: Customer Service, Sales Outreach, Executive Communication, Team Updates, Legal Compliance 🎯 Standard Mode: No playbook needed - general AI validation and generation without specific rules One playbook system for both features - define your standards once, use everywhere. This is what sets MailLint apart from every other email tool. 🚀 TWO CORE FEATURES ✉️ AI EMAIL ANALYSIS Validate any draft email against your standards before sending. Choose Custom Playbooks, System Playbooks, or Standard mode. Get instant feedback on everything from subject lines to compliance. ✍️ AI EMAIL WRITER Generate professional emails from simple prompts. Describe what you want, select a playbook, and AI creates the complete email following your exact standards. Perfect for replies, follow-ups, translations, and time-saving composition. Both features use the same playbooks for perfect consistency whether you write manually or use AI. 🌍 MULTILINGUAL EXCELLENCE True multilingual support - not just translation: • Analyze emails written in any language • Generate emails in any language from prompts • Translate existing drafts while maintaining tone • Mix languages freely (bilingual emails, code-switching) • Apply English playbook rules to non-English emails • Validate cultural appropriateness across languages Works in 100+ languages with full AI understanding. 🧠 CONTEXT-AWARE INTELLIGENCE For email replies and forwards, MailLint reads the full thread history to: • Detect unanswered questions from previous messages • Identify tone mismatches with the conversation • Catch contradictions with earlier emails • Ensure missing information gets addressed • Validate reply-all appropriateness Your responses are contextually appropriate, not just grammatically correct. 💡 UNLIMITED USE CASES ⚙️ Technical Validation: "Check if API documentation has correct endpoint formats" "Verify SQL queries use our database schema" "Ensure security recommendations follow OWASP standards" 🌐 Translation & Localization: "Translate to Russian for technical audience" "Make culturally appropriate for Japanese business context" "Write in Spanish but keep technical terms in English" 💼 Business Intelligence: "Check if I addressed all questions from their 3-email thread" "If customer mentions pricing over $50K, suggest CCing sales" "Verify date mentions account for timezone differences" ⚖️ Compliance & Legal: "Check legal disclaimer meets California requirements" "Ensure HIPAA-compliant language" "Validate regulatory disclosures included" 😊 Tone & Sentiment: "Am I too apologetic? Make me sound confident" "Is my response empathetic enough for frustrated customer?" "Write rejection that maintains relationship" 🎨 Creative Requests: "Explain technical concept to 10-year-old" "Make this sound like Steve Jobs wrote it" "Check if content matches attached proposal" Describe what you need - MailLint handles it. ⭐ WHY MAILINT IS DIFFERENT ❌ Other Tools: Fixed grammar rules, English-only, separate checking and writing tools, rigid templates, cluttered interfaces, steep learning curves ✅ MailLint: Unlimited natural language instructions, 100+ languages, unified playbook system, complete flexibility, feels like native Gmail, works in seconds MailLint validates anything you can describe: technical accuracy, cultural appropriateness, business logic, factual correctness, emotional tone, brand consistency, legal compliance, thread context, and more. Most importantly: MailLint feels like Google built it. No clutter, no complexity - just click send and it works. 📋 SIMPLE SETUP - WORKS IN 30 SECONDS 1. Install extension from Chrome Web Store 2. Sign in at mailint.ai 3. Choose default playbook (or use Standard mode) 4. Done - start sending emails That's it. No tutorials, no training, no complicated configuration. How it works: • Compose email in Gmail normally • Click "Send" button • MailLint analyzes instantly • Perfect email? → Sends automatically • Issues found? → Shows what to fix • Toggle analysis on/off anytime per email Feels like Gmail always had this feature built-in. 💎 PRICING 🆓 FREE FOREVER PLAN: Not a trial - completely free, forever. • 5 AI analyses per week • 3 AI email writes per week • Access to preset Playbooks (instantly create and professionally style emails) • Powered by Light AI Model - built for clarity, tone, and essential corrections Perfect for casual senders who want instant improvements, free forever. 🚀 STARTER PLAN: For professionals who write daily and want a personal AI style. • 75 AI analyses per month • 20 AI email writes per month • Access to preset Playbooks (Standard styles) • Up to 3 custom Playbooks - add your own Playbooks to define tone, intent, and rules • Powered by Enhanced AI Model - better tone precision and contextual awareness Perfect for professionals who write daily and want personal AI assistance. ⚡ PRO PLAN: For power users who demand complete control and consistency. • 150 AI analyses per month • 50 AI email writes per month • Access to preset Playbooks (Standard styles) • Up to 20 custom Playbooks - unlock unlimited Playbooks to shape every message your way • Powered by Advanced AI Model - our most capable engine for nuance, precision, and style mastery Perfect for professionals who write daily and want a personal AI style. Start FREE FOREVER - no credit card required. Upgrade anytime at mailint.ai/pricing 🔒 PRIVACY & SECURITY 🛡️ Your Data Is Protected: • Email content NEVER stored permanently - analyzed in real-time then immediately discarded • Zero AI training on your emails • All data encrypted in transit (TLS 1.3) and at rest (AES-256) • SOC 2 Type II, GDPR, and CCPA compliant • No selling or sharing data with third parties • Complete data deletion available on request 📧 We Access: Gmail Compose: Read drafts and thread history ONLY when you click "Analyze" or "Write" - never access inbox or sent mail outside active compose Local Storage: Authentication tokens, preferences, cached playbooks Network: Secure REST API calls to mailint.ai and supabase.co for authentication, analysis, and generation All communication encrypted end-to-end. Analysis happens instantly and content is immediately discarded. Full details: https://mailint.ai/privacy 💼 FOR PROFESSIONALS & TEAMS 📞 Customer Support: Maintain empathy standards, ensure questions answered, validate quality, generate consistent responses globally 💰 Sales: Craft persuasive communications, validate outreach, ensure compliance, generate follow-ups, translate for international prospects 👔 Executives: Maintain executive presence, concise messaging, validate sensitive communications, generate professional responses ⚖️ Legal & Compliance: Enforce required language, validate disclosures, check jurisdictional requirements, ensure approval workflows 📢 Marketing: Maintain brand voice, validate messaging, generate on-brand copy, ensure consistency across languages ⚙️ Engineering: Validate technical accuracy, ensure clear explanations, generate technical responses, translate for non-technical audiences 🏥 Healthcare: Validate clinical terminology, ensure HIPAA compliance, maintain patient-appropriate communication 🌏 International Teams: Overcome language barriers, standardize global communication, maintain cultural appropriateness, translate effectively If you write emails, MailLint makes them better. 🚀 GET STARTED Install in 30 seconds. Sign in at mailint.ai. Start writing better emails immediately. No credit card required for free tier. Upgrade anytime for unlimited usage and custom playbooks. MailLint AI - The Complete Email Intelligence Platform for Gmail Professional email analysis • AI-powered writing • Context-aware validation • Custom unlimited rules • Multilingual support • Thread history analysis • Compliance enforcement • Technical validation • Cultural intelligence • Brand consistency • Subject line optimization • Recipient validation • Attachment checking • Grammar and tone analysis • Translation capabilities Install MailLint AI today and eliminate email anxiety forever. Visit https://mailint.ai/ to learn more.