# Echoo

> Echoo is a free, open-source macOS menu bar app that transforms text using AI keyboard shortcuts. It supports voice dictation, grammar fixing, translation, summarization, and custom AI commands -- all without leaving your current app.

## Core Features

- [Voice Dictation](https://www.echoo.ai/use-cases/voice-dictation-mac): Local speech-to-text powered by NVIDIA Parakeet, 25 languages, runs on Apple Neural Engine
- [Grammar Fixing](https://www.echoo.ai/use-cases/fix-grammar-on-mac): Fix grammar, spelling, and punctuation in any Mac app with a keyboard shortcut
- [Translation](https://www.echoo.ai/use-cases/translate-text-on-mac): Translate text between any languages instantly without switching apps
- [Summarization](https://www.echoo.ai/use-cases/summarize-text-on-mac): Summarize long articles, emails, and documents with a shortcut
- [Custom AI Commands](https://www.echoo.ai/marketplace): Create and share custom AI commands through the community marketplace

## AI Providers

- [OpenAI / ChatGPT](https://www.echoo.ai/integrations/openai): GPT-5.2, GPT-5 Mini, GPT-4.1 Nano
- [Anthropic / Claude](https://www.echoo.ai/integrations/anthropic): Claude Opus 4.6, Sonnet 4.5, Haiku 4.5
- [Google Gemini](https://www.echoo.ai/integrations/google-gemini): Gemini 3 Pro, 3 Flash, 2.5 Flash Lite (free tier)
- [Ollama (Local)](https://www.echoo.ai/integrations/ollama): Run AI 100% locally with Llama, Mistral, and more
- [LocalAI](https://www.echoo.ai/integrations/localai): Alternative local model runtime
- [LiteLLM](https://www.echoo.ai/integrations/litellm): 100+ provider gateway
- [Groq](https://www.echoo.ai/integrations/groq): Ultra-fast cloud inference
- [Mistral](https://www.echoo.ai/integrations/mistral): European AI provider
- [DeepSeek](https://www.echoo.ai/integrations/deepseek): Cost-effective reasoning models
- [OpenRouter](https://www.echoo.ai/integrations/openrouter): Multi-provider gateway

## Use Cases

- [Fix Grammar on Mac](https://www.echoo.ai/use-cases/fix-grammar-on-mac)
- [Translate Text on Mac](https://www.echoo.ai/use-cases/translate-text-on-mac)
- [AI Voice Dictation](https://www.echoo.ai/use-cases/voice-dictation-mac)
- [AI Email Writing](https://www.echoo.ai/use-cases/ai-email-writing-mac)
- [Rewrite in Professional Tone](https://www.echoo.ai/use-cases/rewrite-professional-tone)
- [Code Review Shortcuts](https://www.echoo.ai/use-cases/code-review-shortcuts)
- [Local LLM Text Processing](https://www.echoo.ai/use-cases/local-llm-text-processing)
- [AI Shortcuts for VS Code](https://www.echoo.ai/use-cases/ai-shortcuts-for-vscode)
- [AI Shortcuts for Notion](https://www.echoo.ai/use-cases/ai-shortcuts-for-notion)
- [Private AI Writing](https://www.echoo.ai/use-cases/private-ai-writing-mac)

## Key Information

- Price: 100% free, open source (MIT license)
- Platform: macOS only (Apple Silicon and Intel)
- Privacy: BYOK (Bring Your Own Key) -- text goes directly to your chosen AI provider. Echoo never sees your data.
- Local AI: Supports Ollama, LocalAI, LiteLLM for fully offline, private text processing
- Voice: Local speech-to-text via NVIDIA Parakeet on Apple Neural Engine, no cloud required
- Download: https://www.echoo.ai
- GitHub: https://github.com/michael-elkabetz/echoo

## Learn

- [What Is AI Text Transformation?](https://www.echoo.ai/learn/ai-text-transformation)
- [What Is a Local LLM?](https://www.echoo.ai/learn/local-llm)
- [What Is AI Voice Dictation?](https://www.echoo.ai/learn/voice-dictation-ai)
- [What Is Prompt Engineering?](https://www.echoo.ai/learn/prompt-engineering)
- [What Is BYOK AI?](https://www.echoo.ai/learn/byok-ai)
- [What Is Speech-to-Text?](https://www.echoo.ai/learn/speech-to-text)

## Blog

- [v0.9.20 Beta: Voice Engine, Dark Mode & Custom Voice Commands](https://www.echoo.ai/blog/v0-9-20-beta-voice-engine-dark-mode)
- [Your Data, Your Control](https://www.echoo.ai/blog/your-data-your-control)
- [v0.9.11 Beta: Local LLM Support & Commands Marketplace](https://www.echoo.ai/blog/v0-9-11-beta-local-llms-and-marketplace)
- [How to Get a Free Google Gemini API Key](https://www.echoo.ai/blog/how-to-get-free-google-gemini-api-key)

## Optional

- [Echoo vs Grammarly](https://www.echoo.ai/compare/grammarly)
- [Echoo vs Raycast AI](https://www.echoo.ai/compare/raycast-ai)
- [Echoo vs ChatGPT Desktop](https://www.echoo.ai/compare/chatgpt-desktop)
- [Echoo vs Apple Intelligence](https://www.echoo.ai/compare/apple-intelligence)
- [Free Grammarly Alternative](https://www.echoo.ai/alternative/grammarly)
- [Free ChatGPT Desktop Alternative](https://www.echoo.ai/alternative/chatgpt-desktop)
- [Echoo for Developers](https://www.echoo.ai/for/developers)
- [Echoo for Writers](https://www.echoo.ai/for/writers)
- [Echoo for Students](https://www.echoo.ai/for/students)
- [Legal / Privacy Policy](https://www.echoo.ai/legal)