Video & Audio

FLAC Converter

FLAC compression is lossless: it preserves exactly the audio it is given (it cannot restore detail already lost in MP3 sources).

Input:WAVAIFFALACMP3Output:FLAC

Select files for FLAC Converter

Drag & drop your files here, or click to browse

Supports:WAVAIFFAIFM4AMP3OGG+2 more· up to 300 MB each, 10 files max

Files are processed on our server and deleted automatically after processing

Conversion & Output Settings

Target Format

FLAC Compression Level5

Lossless at every level; higher levels give smaller files but encode slower.

Sample Rate

Channels

Converting from a lossy format (MP3, AAC, OGG) to a lossless one (WAV, FLAC) cannot restore detail that was already discarded.

Free to useNo sign-up and no watermarks on your files

How to use FLAC Converter

From upload to download in 3 steps.

1
Add your files
Choose or drag up to 10 WAV, AIFF, M4A, MP3, OGG, AAC and 1 more files into the upload area (up to 300 MB each).
2
Adjust the settings
Optionally change the target format, sample rate and channels — the defaults work well for most files.
3
Convert and download
Click Convert, follow the progress, and download the result — several files are bundled into one ZIP. Files are deleted from the server automatically afterwards.

Supported formats and settings

Input formats: WAVAIFFM4AMP3OGGAACFLAC
Output formats: FLAC
Limits: Up to 300 MB per file
Up to 10 files per job
Files are deleted automatically after processing

FLAC Compression Level: 0–8
Sample Rate: Original, 48 kHz, 44.1 kHz, 32 kHz, 22.05 kHz, 16 kHz and 1 more
Channels: Original, Stereo and Mono

Why use our FLAC Converter?

Genuine Processing

Real conversions by proven engines — never renamed copies or fake results.

Private by Design

Files are deleted automatically after processing and never used for training.

Free to Use

No account, no subscription and no watermarks on your files.

Frequently Asked Questions

Which file formats does FLAC Converter support?

FLAC Converter accepts WAV, AIFF, M4A, MP3, OGG, AAC and FLAC files. It produces FLAC.

Is there a file size limit?

Each file can be up to 300 MB, and you can process up to 10 files at once. Larger files take longer to upload and process.

What happens to my files?

Files are uploaded only when you start processing. They are stored under random names in a private temporary folder, processed, and deleted automatically shortly afterwards — the exact time is shown with your result — or immediately when you click “Delete files now”. Files are never shared or used for training.