/6 min read

Audio Converter Tools

Browse every audio converter on WebToolsOnline, from general bulk conversion to dedicated MP3, WAV, AAC, M4A, OGG, OGA, Opus, AIFF, WebM, MP4, MOV, M4V, 3GP, and FLAC format-to-format tools.

Start with the main audio converter

Use the main Audio Converter when you want one flexible tool with bulk uploads, output format selection, bitrate controls, sample-rate settings, mono or stereo output, and ZIP downloads.

Open Audio Converter

All audio converter tools

These dedicated pages are useful when you want a specific source and output pair, such as MP3 to WAV, M4A to MP3, OGG to Opus, OGA to MP3, WebM to MP3, MP4 to MP3, MOV to MP3, M4V to MP3, 3GP to MP3, or FLAC to AAC. Each tool runs in your browser and keeps files on your device.

General converters

MP3 converters

WAV converters

AAC converters

M4A converters

OGG converters

Opus converters

AIFF converters

OGA converters

WebM converters

MP4 converters

MOV converters

M4V converters

3GP converters

FLAC converters

Compressed formats

MP3, AAC, M4A, OGG, and Opus are good for smaller files, sharing, web playback, and mobile devices.

Editing formats

WAV and AIFF are uncompressed choices for editing, sampling, production, and transcription workflows.

Lossless sources

FLAC tools are useful when you start with a high-quality source and want smaller or more compatible output.

Which converter should you choose?

  • Choose MP3 for maximum compatibility across devices, apps, and websites.
  • Choose WAV or AIFF when you need uncompressed audio for editing or production.
  • Choose AAC or M4A for efficient mobile playback, especially on Apple devices.
  • Choose OGG or Opus for modern web audio, speech, streaming, and compact files.