FLAC vs WAV: Which Should You Use?

Side-by-side comparison of FLAC and WAV audio formats — features, pros, cons, and conversion options.

Quick Answer

FLAC is best for Archival audio storage and audiophile playback. WAV is best for Professional audio editing and recording.

Quick Verdict

FLAC Best for Archival audio storage and audiophile playback

✓ Lossless compression
✓ Open source
✓ Excellent metadata support
✗ Larger than lossy formats

Convert FLAC to WAV →

WAV Best for Professional audio editing and recording

✓ Uncompressed lossless quality
✓ Universal compatibility
✓ No decoding overhead
✗ Very large file size

Convert WAV to FLAC →

Specs Comparison

Side-by-side technical comparison of FLAC and WAV

Feature	FLAC	WAV
Category	Audio	Audio
Year Introduced	2001	1991
MIME Type	audio/flac	audio/wav
Extensions	.flac	.wav
Lossy	✗	✗
Codec	FLAC	PCM (uncompressed)
Max Bitrate	unlimited (lossless)	unlimited (lossless)
Max Sample Rate	655,350 Hz	4 GHz (theoretical)
Channels	8 channels	65,535 channels
Streaming	✓	✗

Pros & Cons

FLAC

Pros

✓ Lossless compression
✓ Open source
✓ Excellent metadata support

Cons

✗ Larger than lossy formats
✗ No native iOS support
✗ Not supported in all browsers

WAV

Pros

✓ Uncompressed lossless quality
✓ Universal compatibility
✓ No decoding overhead

Cons

✗ Very large file size
✗ No built-in metadata tags
✗ Wasteful for distribution

When to Use Each

Choose FLAC when...

You need files optimized for Archival audio storage and audiophile playback
Lossless compression
Open source

Choose WAV when...

You need files optimized for Professional audio editing and recording
Uncompressed lossless quality
Universal compatibility

How to Convert

Convert between FLAC and WAV for free on ChangeThisFile

Convert FLAC to WAV Server-side conversion — auto-deleted after processing Convert WAV to FLAC Server-side conversion — auto-deleted after processing

Frequently Asked Questions

What's the difference between FLAC and WAV?

FLAC is best for Archival audio storage and audiophile playback, while WAV is best for Professional audio editing and recording. Both are audio formats but they differ in compression, compatibility, and intended use cases.

Is FLAC or WAV better for audio?

It depends on your use case. FLAC is better for Archival audio storage and audiophile playback. WAV is better for Professional audio editing and recording. Consider your specific requirements when choosing between them.

How do I convert FLAC to WAV?

Go to the FLAC to WAV converter on ChangeThisFile. Upload your file and the conversion processes on the server, then auto-deletes. It's free with no signup required.

Can I convert WAV to FLAC?

Yes. ChangeThisFile supports WAV to FLAC conversion. Upload your file for server-side conversion — files are auto-deleted after processing.

Which is smaller, FLAC or WAV?

File size depends on the content and compression settings. FLAC preserves full quality. WAV preserves full quality. For the smallest files, choose the format with lossy compression that meets your quality needs.

Does FLAC support streaming?

Yes, FLAC supports streaming, but WAV does not. This may be important depending on your use case.

Is FLAC or WAV free to use?

Both FLAC and WAV are supported file formats that are free to use. You can convert between them for free on ChangeThisFile — server-side conversions are free with no signup required.

Which format is newer, FLAC or WAV?

FLAC is newer — it was introduced in 2001, while WAV dates back to 1991. Newer formats often offer better compression and features, but older formats tend to have wider compatibility.