audio station
Convert Audio Files Online
Convert MP3, WAV, FLAC, AAC, M4A or OGG audio into an available output format. Choose a compressed format for sharing or a lossless format for a compatible editing workflow.
Active conversion station
Audio Converter
Convert audio between common formats
How to change an audio format
Prepare the source
Select a supported audio file and preview the source.
Review the settings
Choose MP3, WAV, FLAC, AAC or OGG output and the available bitrate.
Check the result
Start Conversion and listen to the downloaded audio file.
Supported formats and limitations
Input: MP3, WAV, FLAC, AAC, M4A, OGG. Output: MP3, WAV, FLAC, AAC, OGG. Higher bitrate does not restore detail lost in the source. WAV and FLAC ignore the compressed-format bitrate setting.
Processing runs on the server after you select Start Conversion. The interface accepts files up to 500 MB; service and connection limits can be lower. No installation or account is required. Read our file processing privacy policy.
Why Use ConvertFast's Audio Converter?
- Read common compressed and lossless audio formats.
- Select a bitrate for compressed outputs.
Frequently Asked Questions
Can I convert M4A to MP3?
Yes. M4A is accepted as input and MP3 is available as output.
Will converting MP3 to FLAC improve sound quality?
No. A lossless output can preserve the decoded sound but cannot restore information already removed from the MP3.
Ready? It's Free.
No account required. Input rules appear before you upload.
Open Audio Converter Tool