M4A to MP3 Converter
This is a fully client‑side audio converter that runs in your browser. It converts .m4a files to .mp3 without uploading to a server.
1) Select Your File
Choose File or drag & drop your M4A here
Original file input is hidden. Click anywhere inside this large rectangle to pick a file.
Accepted format: M4A (AAC/ALAC). The selected filename will be displayed above.
2) Conversion Settings
"Bitrate" controls MP3 quality vs. size. Higher means better quality and bigger file.
The number of samples per second. 44.1 kHz is standard for music; 48 kHz suits video workflows.
Stereo preserves left/right separation. Mono can reduce size for voice‑only content.
CBR keeps a fixed bitrate; VBR adapts bitrate to content for similar quality at smaller sizes.
Each setting above includes a brief English explanation to help you decide.
3) Preview & Convert
Before (Selected M4A)
After (Converted MP3)
Idle
Click M4A to MP3 to start conversion. A progress bar and status text will appear during processing.