WAV to FLAC
Convert WAV audio to lossless FLAC online for free, 40%-60% smaller with zero quality loss. Processed entirely in your browser, files are never uploaded to a server, fully protecting your privacy.
Privacy Protection
All conversion happens locally in your browser. WAV files are never uploaded to any server, keeping your audio private.
Lossless compression
FLAC shrinks the size by 40%-60% without losing any quality, making it the ideal format for music archiving and collections
High-Speed Conversion
Powered by WebCodecs, conversion is completed quickly using your browser's local computing power, with no upload or download wait
Drag and drop an audio file here
or
WAV format supported
Convert WAV to FLAC in three steps
Upload your WAV file
Click the upload area or drag and drop your WAV audio file, up to 2GB supported
Start Conversion
FLAC is a lossless format, so there's no bitrate to set, just click the button to start converting
Download FLAC
Download your FLAC file once processing is done, all within your browser and with no sign-up required
Typical use cases for WAV to FLAC
Lossless music archiving
Convert WAV files from CD rips or master exports to FLAC for long-term storage, keeping zero quality loss while saving about half the storage space. Lossless archives let you re-encode to any format in the future at any time, without filling up your hard drive the way WAV does.
Hi-Fi audiophile listening
FLAC is the most universal format for lossless players and Hi-Fi systems. After converting WAV to FLAC, the file carries full tag information (track, album, cover art), making it easier to manage and play on lossless players than WAV.
Save cloud storage and backup space
When uploading large numbers of WAV recordings to the cloud or making offsite backups, size is the main cost. Converting to FLAC nearly halves the size, making backups faster and lighter, and you can losslessly restore back to WAV when needed.
Managing music production assets
Sample libraries, dry vocals, instrumentals, and other assets take up huge space when stored as WAV. Converting to FLAC keeps them lossless and re-editable while making your asset library more compact, and you can losslessly restore before importing into your DAW.
Difference between WAV and FLAC
| Comparison | WAV (uncompressed lossless) | FLAC (Lossless) |
|---|---|---|
| Audio quality | Completely lossless, preserves all audio information | Fully lossless, identical audio quality to WAV |
| File Size | Large — about 10 MB/min (44.1 kHz stereo) | About 40%-60% of WAV's size, noticeably smaller |
| Tag metadata | Limited support, incomplete tag information | Full support for track, album, cover art, and other tags |
| Compatibility | Best support in professional software, nearly universal | Widely supported by mainstream players and devices, except a very few old ones |
| Use Cases | Studio production, post-production, exchange between software | Lossless archiving, collecting, Hi-Fi listening, saving space |
Advantages of the FLAC format
- Lossless compression - identical quality to the original WAV, decodable and restorable an unlimited number of times
- Smaller size - 40%-60% smaller than WAV, saving storage and transfer costs
- Rich tagging - supports metadata such as track, album, artist, and cover art
- Widely supported - plays in VLC, foobar2000, lossless players, and all mainstream systems
Technical Notes
The VideoKit WAV to FLAC tool is built on the WebCodecs API. It decodes the WAV file's audio stream in your browser and repackages it as a FLAC file using a FLAC lossless encoder. The entire process runs locally, and your audio data is never sent to any server.
FLAC uses a lossless compression algorithm that discards no audio samples and reduces size only through more efficient encoding. As a result, there is no concept of a 'quality setting' in the conversion, and the output is always bit-for-bit identical to the original WAV.
Frequently Asked Questions
Why convert WAV to FLAC?
WAV is uncompressed and very large. FLAC shrinks the size by 40%-60% with no quality loss at all, making it better suited for long-term archiving and collecting while saving storage space.
Does converting WAV to FLAC lose any quality?
No. FLAC uses lossless compression, and once decoded it restores 100% of the original WAV's data, so the quality is identical to the original file.
How much smaller is FLAC than WAV?
Usually 40%-60% smaller, depending on the audio content, but no matter how much it compresses, there is no quality loss.
Which devices can play FLAC files?
Supported by mainstream devices including VLC, foobar2000, Windows/macOS, Android, Hi-Fi lossless players, and car systems; for a few older devices you can switch to MP3.
Will my files be uploaded to a server?
No. All processing happens locally in your browser. Audio files never leave your device — your privacy is fully protected.
How do I choose between FLAC and WAV?
Identical audio quality. Choose WAV for exchanging with professional software and post-production editing; choose FLAC for long-term archiving, collecting, and saving space.