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Audio Conversion

Convert MP3 to M4A Online — Free

Fast, free MP3 to M4A converter. No registration required.

ou importar de

2M+ arquivos convertidos

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Arquivos excluídos automaticamente após o processamento

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Qualquer navegador, qualquer dispositivo

Como Converter

1

Upload your .mp3 file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .m4a file when it's ready.

O que é MP3?

MP3 is the most popular audio format worldwide. It uses lossy compression to reduce file size while maintaining acceptable audio quality for most listeners.

Detalhes do Formato

Nome Completo
MPEG Audio Layer III
Extensão
.mp3

Recursos Principais

  • Universal compatibility
  • Small file sizes
  • Streaming support
  • ID3 tag support

O que é M4A?

M4A is an audio-only MPEG-4 container, commonly using AAC encoding. It provides better quality than MP3 at similar file sizes.

Detalhes do Formato

Nome Completo
MPEG-4 Audio
Extensão
.m4a

Recursos Principais

  • Better than MP3
  • Apple ecosystem
  • AAC encoding
  • Metadata support

MP3 vs M4A

RecursoMP3M4A
Nome CompletoMPEG Audio Layer IIIMPEG-4 Audio
Extensão.mp3.m4a
Melhor ParaUniversal compatibilityBetter than MP3

Perguntas Frequentes

Converting between lossless formats preserves perfect quality. When converting to lossy formats, our optimized encoding minimizes any audible difference. You can adjust bitrate to control quality vs. file size.
We preserve ID3 tags, album art, and metadata when both MP3 and M4A support them. Some metadata may not transfer between incompatible formats.
Pro users can batch convert multiple audio files simultaneously. Free users convert one file at a time with up to 5 free conversions per day.
We support all standard sample rates from 8kHz (voice) up to 192kHz (studio quality). The default preserves your source file's sample rate.
Yes. Our audio converter handles music, podcasts, voice memos, and audiobook files. For podcasts, we recommend MP3 at 128-192kbps for the best balance of quality and file size.

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