Convert audio files to FLAC

FLAC Converter

Upload an audio file and convert it into high-quality FLAC format. This tool supports popular audio formats like MP3, WAV, AAC, M4A, OGG, WMA, AIFF, and FLAC.

Audio Upload FLAC Output Direct Download

Lossless audio conversion

Convert audio to FLAC for archiving, music libraries, editing, and better quality preservation.

Free FLAC Converter Tool

Upload your audio file, choose FLAC settings, convert on the server, and download the final FLAC file.

Upload Audio File

Choose or drop audio file Supports MP3, WAV, AAC, M4A, OGG, FLAC, WMA, and AIFF. Max size: 100MB.

No file selected

FLAC Compression Compression changes file size, not audio quality.

Sample Rate Keep original is best for most files.

Channels Choose mono, stereo, or keep original channels.

Server note: real audio conversion requires FFmpeg and PHP exec() enabled. If hosting blocks exec(), this tool will not convert files.

FLAC Result

No FLAC generated yet

Upload an audio file and your FLAC download link will appear here.

Audio Input Format

FLAC Output Format

100MB Max File Size

1 Hour Auto Cleanup

Why Use a FLAC Converter?

FLAC is a lossless audio format that helps preserve sound quality while still reducing file size compared with raw audio.

Multiple Audio Formats

Convert MP3, WAV, AAC, M4A, OGG, WMA, AIFF, and other supported audio files into FLAC format.

Lossless FLAC Output

FLAC keeps audio quality better than lossy formats, making it useful for music archives and editing workflows.

Useful Audio Settings

Choose compression level, sample rate, and channel settings before creating the final FLAC file.

What Is a FLAC Converter?

A FLAC converter changes audio files into Free Lossless Audio Codec format. Unlike MP3 or AAC, FLAC is designed to preserve audio quality while still compressing the file.

This tool is useful for music collectors, editors, podcasters, students, audio archives, and anyone who wants better quality audio storage in a widely supported lossless format.

How It Works

Convert audio to FLAC in three simple steps.

Upload Audio

Choose an audio file from your device. The tool supports common formats such as MP3, WAV, M4A, OGG, and FLAC.

Select FLAC Settings

Choose compression level, sample rate, and channel output based on your audio needs.

Download FLAC

The server converts your audio with FFmpeg and gives you a direct FLAC download link.

FLAC Converter FAQs

Common questions about converting audio files into FLAC format online.

Yes, this tool can be used as a free FLAC converter on your website.

This tool supports MP3, WAV, AAC, M4A, OGG, FLAC, WMA, AIFF, and AIF files, depending on your server FFmpeg build.

No. FLAC preserves audio quality but cannot restore quality already lost in low-quality or heavily compressed files.

PHP cannot convert audio formats by itself. FFmpeg performs the real audio decoding and FLAC encoding on the server.

It works only if FFmpeg is installed and PHP exec() is enabled. Many shared hosting providers block exec(), so VPS hosting is better.

No. This code automatically removes uploaded and converted files older than one hour from the conversion folder.