- Convert Online
- Audio Converters
- MP3 to FLAC
Convert MP3 to FLAC
Convert MP3 to FLAC in your browser. Your audio files are processed on your device and are not uploaded.
5Controls the compression level for FLAC encoding. Higher levels produce smaller files but take more CPU. Level 5 is a good balance.
Controls the compression level for FLAC encoding. Higher levels produce smaller files but take more CPU. Level 5 is a good balance.
2Sets the number of audio channels. Stereo retains the original MP3's stereo sound; mono reduces file size.
Sets the number of audio channels. Stereo retains the original MP3's stereo sound; mono reduces file size.
44100Specifies the number of samples per second. Higher rates improve fidelity but increase file size.
Specifies the number of samples per second. Higher rates improve fidelity but increase file size.
4. Download converted files
Private browser conversion: Your files stay on your device. Large files may take longer, and some formats depend on browser codec support.
How to use this MP3 to FLAC Converter?
- Choose one or more files or drop them into the input area.
- Adjust the available settings, then click Convert. Processing stays in this browser; nothing is uploaded.
- Download each result or download a ZIP for multiple files. Results disappear when you leave this page.
{
"convert": "mp3-flac",
"multiple": true,
"from": "mp3",
"to": "flac",
"note": "Converting from MP3 (lossy) to FLAC (lossless) will not improve audio quality. It only increases file size and is usually done for compatibility or editing purposes.",
"controls": [
{
"type": "dropdown",
"name": "compression_level",
"label": "FLAC Compression Level",
"options": [
{
"label": "Fastest (Level 0)",
"value": 0
},
{
"label": "Level 2",
"value": 2
},
{
"label": "Level 5 (Default)",
"value": 5
},
{
"label": "Level 8 (Maximum)",
"value": 8
}
],
"defaultValue": 5,
"desc": "Controls the compression level for FLAC encoding. Higher levels produce smaller files but take more CPU. Level 5 is a good balance."
},
{
"type": "dropdown",
"name": "channels",
"label": "Audio Channels",
"options": [
{
"label": "Mono (1 channel)",
"value": 1
},
{
"label": "Stereo (2 channels)",
"value": 2
}
],
"defaultValue": 2,
"desc": "Sets the number of audio channels. Stereo retains the original MP3's stereo sound; mono reduces file size."
},
{
"type": "dropdown",
"name": "sample_rate",
"label": "Sample Rate (Hz)",
"options": [
{
"label": "22050 Hz",
"value": 22050
},
{
"label": "44100 Hz (CD Quality)",
"value": 44100
},
{
"label": "48000 Hz",
"value": 48000
},
{
"label": "96000 Hz",
"value": 96000
}
],
"defaultValue": 44100,
"desc": "Specifies the number of samples per second. Higher rates improve fidelity but increase file size."
}
],
"type": "audio",
"operation": "convert"
}
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