Mini Recorder – Free Voice & Audio Recorder

Record audio with real-time waveform visualization. Pause/resume, auto-save to IndexedDB. Export WAV/MP3. Built-in encoder.

Features

🎤

Real-time audio waveform visualization during recording.

⏸️

Pause recording and resume without creating separate files.

💾

Auto-save recordings to IndexedDB. Max 50MB storage.

📋

See all saved recordings. Play or delete each one.

📥

Download as WAV (built-in) or MP3 (lamejs lazy-loaded, 128kbps).

🔒

MediaRecorder API. No server uploads.

Click Record to start. Allow microphone access if prompted.

Watch the live waveform as you record.

Click Pause to pause, Stop to finish.

Recording auto-saves. Click to play, delete, or export.

What formats are supported for export?

WAV (native, lossless) is always available. MP3 (128kbps) uses lamejs which is lazy-loaded when you first export as MP3.

What is the storage limit?

IndexedDB can store up to 50MB of recordings locally. Older recordings are not automatically deleted.

How does the waveform visualization work?

AnalyserNode from Web Audio API provides frequency data, rendered to Canvas at 60fps for smooth animation.

Is my audio sent to a server?

No. MediaRecorder captures audio locally. No data is sent to any server.