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Echo Privacy Guide

Echo is designed with privacy in mind. This document describes what data leaves your machine for each configuration.

Fully Offline Mode

Configure Echo for zero network calls:

  • STT Engine: Local Whisper.cpp
  • LLM Provider: None (raw transcription) or Llama.cpp (local)
  • Window Context: Disabled
  • Screenshots: Disabled

In this mode, all audio processing happens on your Mac. No data is sent to external services.

Data by Provider

Provider Data Sent Stored By Provider
Local Whisper Nothing (on-device) N/A
macOS STT Nothing (on-device) N/A
Groq Cloud Audio file Per Groq privacy policy
Deepgram Audio file Per Deepgram privacy policy
OpenAI Whisper Audio file Per OpenAI privacy policy
Claude CLI Transcription text Per Anthropic policy
Codex CLI Transcription text Per OpenAI policy
Claude API Transcription text + context Per Anthropic policy
OpenAI API Transcription text + context Per OpenAI policy
Ollama (local) Nothing (localhost) N/A
Llama.cpp (local) Nothing (localhost) N/A
Claude Vision Screenshot + window metadata Per Anthropic policy
Groq Vision Screenshot + window metadata Per Groq privacy policy

Local Data Storage

Echo stores the following on your Mac only:

  • ~/Library/Application Support/echo/settings.json — app preferences
  • ~/Library/Application Support/echo/memory.json — vocabulary entries
  • ~/Library/Application Support/echo/run-log.json — last 100 dictation runs
  • ~/Library/Application Support/echo/logs/echo.log — diagnostic logs
  • ~/Library/Application Support/echo/templates.json — voice templates
  • ~/Library/Application Support/echo/project-context.md — scanned project context

Permissions

Permission Why
Microphone Record voice for transcription
Accessibility Insert text into other applications
Speech Recognition Live transcription via macOS STT

Crash Reporting

Crash reporting is disabled by default. When enabled, error logs may be sent to a configured endpoint. No audio or transcription content is included.

Recommendations

  1. Use local Whisper + local LLM for maximum privacy
  2. Disable screenshot capture unless needed
  3. Clear run history periodically from Settings → History
  4. Review vocabulary memory entries in Settings → Memory