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🔊 Audio Converter

Convert audio files to WAV for NotebookLM, transcription tools, and more. Runs entirely in your browser — nothing is uploaded.

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Drop an audio file here or tap to browse

MP3, MP4, M4A, OGG, WebM, FLAC, AAC, WAV

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Convert to:

Sample rate:

Channels:

Decoding audio…

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Conversion complete!

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⬇ Download

Supported input formats: MP3, MP4 (audio), M4A, OGG, WebM, FLAC, AAC, WAV.

Output formats: WAV (lossless, large), MP3 (small, universal), OGG Opus (small, web-friendly), WebM Opus (small, web-friendly).

Your file never leaves your device — all conversion happens in the browser.

Tip for NotebookLM: Use WAV at 16,000 Hz mono for the smallest file size that still works great for speech recognition. For sharing, use MP3.