WAV to FLAC Converter

Keep every bit of your WAV at about half the file size. FLAC is lossless, so nothing is thrown away. Free, in your browser, no signup, no watermark.

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We support most file types including: MP4, MOV, WEBM, AVI, MP3, WAV, PNG, JPEG, GIF, MKV, PDF, FLAC, TIFF!

EchoWave is used by creators, marketers, educators, and businesses to convert and edit media online.

Updated June 2026

WAV and FLAC are both lossless, so this is one of the few audio conversions where you give up nothing. FLAC packs the same audio into roughly half the space, often a 30 to 50 percent saving, by compressing the data rather than discarding any of it. That makes it the format of choice for archiving a music collection at full quality while reclaiming a lot of disk space. Convert WAV to FLAC in your browser, free and with no signup.

Free, no sign-upNo account, no trial

Runs in your browserNothing to install

Works on every devicePhone, tablet, laptop

No watermarkClean output, every time

How it works

How to convert WAV to FLAC

1
Upload your WAV
Drag your WAV onto the converter or pick it from your device. Nothing to install.
2
Choose FLAC and convert
Select FLAC as the output, set the bitrate if it applies, then start. Free, with no sign-up.
3
Download your FLAC
Save the finished FLAC, or open it in the editor to trim or adjust it first.

Try it

Estimate your FLAC

Pick a typical rate and a length to see the FLAC file size before you convert.

Typical rate

Length10 min

1 min60 min

Estimated FLAC size66MBTypical music

FLAC is lossless, so the real size depends on the music. These are typical ranges.

The formats

WAV vs FLAC

WAV

Waveform Audio File Format

Uncompressed studio-quality audio

Type: Uncompressed audio
Holds: Raw PCM audio, no compression
Typical size: Very large, about 10 MB per minute
Plays on: Every device and audio editor

Best for:Editing and mastering at full quality

FLAC

Free Lossless Audio Codec

Lossless audio at about half the size of WAV

Type: Lossless audio format
Holds: Compressed audio with no quality loss
Typical size: About half the size of WAV
Plays on: VLC and most players, not older iPhones by default

Best for:Archiving music at full quality

Will it lose quality?

Converting a lossy file to a lossless one cannot restore detail that was already discarded. It only makes a larger file.
Going from a high-quality source to FLAC keeps the sound clear while changing the format.
Each pass between two lossy formats loses a little, so always convert from the best source you have.

Use cases

What people use it for

Music librariesStandardise your collection

ListenersUse a format your player likes

PodcastersMatch your host requirements

EditorsImport audio your tool accepts

DevicesPlay on phones and car stereos

Troubleshooting

If something looks off

The FLAC is larger than I expected

Lossless and uncompressed formats are big by design. If you want a smaller file, pick a lossy format and a bitrate around 192 to 256 kbps.

The song details are missing

Title, artist, and album travel as tags when the source has them. If they are blank, add them in any music app after converting.

My app will not open the FLAC

Most apps open common audio, but a few are picky. VLC plays almost anything, or convert to MP3 for the widest support.

FAQ

WAV to FLAC questions

Is converting WAV to FLAC lossless?

Yes. FLAC is a lossless format, so converting from WAV keeps the audio bit for bit. The compression reorganises the same samples into a smaller file rather than throwing any away, which means a FLAC made from a WAV sounds identical to the original.

How much smaller is FLAC than WAV?

FLAC usually saves 30 to 50 percent, and busy or quiet material can compress further. A 30 MB WAV often becomes a FLAC of around 15 to 20 MB. The exact size depends on the music, since FLAC compresses simple or sparse audio more than dense, complex tracks.

Why convert WAV to FLAC instead of MP3?

Choose FLAC when you want to keep full quality for archiving, editing later, or critical listening, since it loses nothing. MP3 is far smaller but discards detail permanently. If storage is the main concern and you just want to listen casually, MP3 fits, but for a master copy FLAC is the safer keep.

Is the WAV to FLAC converter free?

Yes. EchoWave converts WAV to FLAC with no signup, no file-count limit, no trial, and no watermark. Upload your WAV, choose FLAC, and download the lossless file from your browser.

After converting WAV to FLAC, what plays the file?

FLAC plays in VLC, most modern music apps, Android, and many hi-fi players. Apple added FLAC support more recently, so older iPhones and iTunes setups may not open it by default. If you live in the Apple ecosystem, the ALAC variant inside an M4A is the more native lossless option.

Does the WAV to FLAC converter work on iPhone, Android, Mac, and Windows?

Yes, the whole WAV to FLAC step happens in the browser tab, whether that is Safari on an iPhone or Mac, Chrome on Android or Windows, or anything on Chromebook and Linux. Nothing gets installed and you do not sign in. Bear in mind that producing a FLAC and playing one are separate things: every platform can make the file here, but on older iPhones you may need VLC or a recent iOS version to play it back.

Do the song details carry over?

Title, artist, and album travel along as tags when your WAV already includes them. Many raw WAV recordings have no tags at all, so if the fields come through blank you can add them in any music app after converting.

Can I convert several WAV files to FLAC?

Yes. There are no file-count limits on these pages, so you can work through an album one track at a time. Large WAV files simply take a little longer to upload and convert.