In your browser, open https://transfonic.com.

Go to the homepage's 'Audio Utilities' section.

Select the 'Audio Conversion' tool by clicking to expand.

The audio conversion interface will load quickly.

This feature does not require an account.

Click the upload button to select your audio file.

Drag and drop your MP3, WAV, FLAC, AAC, OGG, M4A, WMA, AIFF, ALAC, or OPUS file into the uploader.

For best results, use a clear, uncorrupted audio file with standard bitrate.

Wait for the preview or confirmation message to ensure the file is uploaded successfully.

The tool automatically detects the file format and metadata if needed.

Choose the audio format you want to convert your file to (e.g., MP3, WAV, FLAC).

Optionally, adjust quality settings such as bitrate, sample rate, or channels if available.

Preview the settings to ensure the conversion meets your requirements.

Make sure the selected format is compatible with your target device or application.

Click the 'Convert Audio' button to start the conversion process.

The tool processes the file on the server while preserving audio quality.

Conversion time depends on the file size and chosen output format.

Avoid refreshing or leaving the page while conversion is in progress.

Once completed, a downloadable file in the selected format will be ready.

Click the download button to save the converted audio file to your device.

Verify the file format and playback quality before using it.

Use the converted audio for projects, devices, streaming, or editing.

You can repeat the process to convert the same file into other formats if needed.

Keep the original audio file for backup or alternative conversions.