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use-local-whisper

Transcribe WhatsApp voice messages locally using whisper.cpp on Apple Silicon.

1|21|Updated Feb 26, 2026
Search Tags:#transcription#whisper#apple silicon#whatsapp#local#privacy
One-click install
npx skills add https://github.com/arnaudjnn/nanoclaw-railway --skill use-local-whisper-arnaudjnn
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: use-local-whisper
Source: https://github.com/arnaudjnn/nanoclaw-railway/tree/main/.claude/skills/use-local-whisper
Command: npx skills add https://github.com/arnaudjnn/nanoclaw-railway --skill use-local-whisper-arnaudjnn

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This skill allows for local voice transcription using whisper.cpp, eliminating the need for external APIs like OpenAI Whisper, thus saving costs and ensuring privacy.

Core Features & Use Cases

  • On-device Transcription: Leverages whisper.cpp for transcription directly on your Apple Silicon Mac.
  • Cost & Privacy: No API keys, no network usage, and no associated costs.
  • WhatsApp Integration: Currently supports voice notes from WhatsApp.
  • Use Case: You frequently receive voice messages on WhatsApp and want to transcribe them locally without sending audio data to a third-party service.

Quick Start

Apply the voice-transcription skill and then use the use-local-whisper skill to enable local voice transcription for WhatsApp messages.

Frequently Asked Questions about use-local-whisper

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I transcribe WhatsApp voice messages locally on Apple Silicon?▼

You can transcribe WhatsApp voice messages locally on Apple Silicon by applying the voice-transcription skill and then using whisper.cpp to process audio entirely on-device. This ensures privacy and eliminates external API costs.

Can I use whisper.cpp for on-device transcription without sending audio to external APIs?▼

Yes, whisper.cpp performs on-device transcription directly on your Apple Silicon Mac, ensuring no audio data is sent to external APIs. This approach guarantees privacy and removes network usage and associated API costs.

Do I need ffmpeg installed to run local voice transcription with whisper.cpp?▼

Yes, ffmpeg must be installed alongside whisper.cpp to enable local voice transcription. You also need to apply the voice-transcription skill first before using this local transcription workflow for WhatsApp messages.

What is the best way to avoid OpenAI API costs for WhatsApp voice transcription?▼

The best way to avoid OpenAI API costs for WhatsApp voice transcription is to run whisper.cpp locally on Apple Silicon. This on-device approach requires no API keys and eliminates network usage while maintaining full data privacy.

Does local voice transcription for WhatsApp work without an internet connection?▼

Local voice transcription for WhatsApp works without an internet connection because whisper.cpp processes audio entirely on-device. This ensures complete privacy and removes the need for network usage or third-party transcription APIs.

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