Ermine.ai is a local/client-side AI tool that transcribes audio using the user's device microphone without the need for an internet connection. The tool's model files (50mb) are downloaded and cached before the first use, which may take a few minutes. Ermine.ai supports English transcription only and allows users to download both the audio and transcript for later use. Ermine.ai is a secure and efficient tool for audio transcription, especially for those concerned about data security and privacy.