What this tool does
Some players, apps and forms need MP3, while phones record in M4A or OGG and WhatsApp voice notes are OGG. Choose the file, pick MP3 or WAV and the quality, and convert. A video gives you just its sound.
How to use it
- Choose your audio or video file.
- Pick MP3 or WAV and the quality.
- Tap Convert.
- Listen and download.
Why 123ToolBox
Your files stay with youEverything happens inside your browser. Nothing is uploaded to us or anyone else.
Free, no watermarkEvery tool is free. Your result has no logo or watermark.
No sign-upOpen the page and use it. No account, no email.
Made for phonesWorks on cheap Android phones as well as laptops.
FastNo upload or download wait. Small files finish in seconds.
Exact resultsWhen a form says “under 20 KB”, you get under 20 KB.
Popular ways to use it
Questions people ask
How do I convert M4A to MP3?
Choose the M4A file, keep MP3 selected and tap Convert.
How do I get MP3 from a video?
Choose the video. Its sound is saved as MP3.
Which MP3 quality should I pick?
192 kbps is great for most music; 128 kbps is smaller for voice; 320 kbps is the best.
Is my audio uploaded?
No. Everything happens inside your browser. Your file never leaves your device.