Online Audio Converter
Convert M4A, WAV, OGG, OPUS, WEBM, AAC, FLAC and voice notes to MP3 or WAV in seconds. Free, private and right in your browser.
Select a file to start.
Files are converted locally on your device and are never uploaded. Supported input formats depend on your browser; Chrome and Edge support the widest range.
Free online audio converter to MP3 and WAV
Got an audio file that will not play on your phone, car stereo or editing software? Voice Convert’s audio converter changes it into the universal MP3 format, or into lossless WAV for editing. Popular conversions include M4A to MP3, WAV to MP3, OGG to MP3, OPUS to MP3 (WhatsApp and Telegram voice notes), FLAC to MP3 and MP3 to WAV.
Because conversion happens in your browser, your files are never uploaded. That means no upload wait, no file size paywall, and complete privacy for personal recordings.
How to convert audio files
- Choose or drop your audio file into the box.
- Pick the output: MP3 at 128, 192 or 320 kbps, or WAV.
- Press Convert and watch the progress bar.
- Listen and download your converted file.
Which format should I choose?
- MP3 320 kbps: best quality MP3, ideal for music.
- MP3 192 kbps: excellent quality with a smaller file, great for most uses.
- MP3 128 kbps: smallest file, perfect for voice notes, lectures and podcasts.
- WAV: uncompressed and lossless, best for editing in Audacity, Premiere, CapCut or a DAW.
Need audio from a video? Use the MP4 to MP3 converter. Want to record something new? Try the online voice recorder.
Frequently asked questions
How do I convert M4A to MP3?
Choose your M4A file, select an MP3 quality and press Convert. Your MP3 will be ready to download in a few seconds.
Can I convert WhatsApp voice notes (OPUS/OGG) to MP3?
Yes. Save the voice note to your device, then open it here and convert it to MP3. Chrome, Edge and Firefox support OPUS and OGG files.
Is the audio converter free and safe?
Yes. It is free, has no limits, and files are processed on your device without being uploaded.
Will converting reduce audio quality?
Converting to WAV keeps the decoded quality. Converting to MP3 uses compression; choose 320 kbps for virtually no audible loss.