What is the Audio Converter?
The Audio Converter changes almost any audio format into MP3 or WAV. Convert WhatsApp voice notes (OPUS/OGG), iPhone recordings (M4A), FLAC music or WAV files in a few taps – one file or many at once.
You can also turn stereo into mono and change the sample rate to make files smaller. Conversion happens in your browser, so nothing is uploaded.
How to use the Audio Converter
- Choose one or more audio files (or drag them in).
- Pick the output format, channels and sample rate.
- Press Convert all. Each file downloads when it is ready.
Popular conversions
- M4A to MP3 (iPhone voice memos)
- OPUS / OGG to MP3 (WhatsApp and Telegram voice notes)
- WAV to MP3 (make large recordings smaller)
- FLAC to MP3 (play on any device)
Frequently asked questions
Why is my WAV file so big?
WAV is uncompressed – about 10 MB per minute in stereo. Choose MP3 for small files.
This Audio Converter is 100% free, needs no signup and runs privately in your browser – on phone, tablet or computer.
Last updated: · By NodifyTech