Kerlig
In-context AI writing assistant that works everywhere on your Mac
Overview
Kerlig is a powerful native macOS AI writing assistant that seamlessly integrates into any application on your Mac. With support for 350+ AI models from OpenAI, Claude, Gemini, Groq, OpenRouter, and local Ollama models, Kerlig eliminates context-switching by bringing AI-powered writing enhancement directly into your workflow—whether you're composing emails, chatting in Slack, or designing in Figma. Using your own API keys, Kerlig provides spell-checking, grammar correction, document interaction across 20+ file formats, AI translation, and intelligent summarization without ever leaving your current app.
Pricing: Basic: $47 (1 Mac) | Pro: $94 (2 Macs) | Team: (up to 10 devices) | Includes 1 year of updates + 48hr support
Minimum macOS: 10.13 (High Sierra)
Architecture: Apple Silicon, Intel
AI Features
Key Features
- Support for 350+ AI models via OpenAI, Anthropic (Claude), Google (Gemini), Groq, OpenRouter
- Local AI model support with Ollama for complete privacy
- In-context AI assistance works in every macOS app (email, Slack, Figma, browsers, etc.)
- Advanced spell-checking and grammar correction
- Interact with documents across 20+ file formats (PDF, DOCX, EPUB, CSV, JSON, PNG, JPG, and more)
- AI-powered translation between multiple languages
- Intelligent summarization for websites, articles, and documents
- Bring Your Own Key (BYOK) - use your own API keys for AI services
- One-time purchase model - pay only for API tokens you use
- Native macOS integration without context switching
- Chat with documents, ebooks, and images directly
- Rapid message composition with AI assistance
- Professional communication enhancement
- Privacy-focused design with local model support
- 14-day money-back guarantee
- 1 year of app updates included with purchase
- 48-hour email support