Convert WEBM to FLAC online in seconds — free, with no sign-up. FLAC is lossless and ideal for archiving and audiophile listening. Your files are encrypted and deleted automatically after 24 hours.
WEBM
WebM — A royalty-free web video format (VP8/VP9) that's smaller than H.264 at equal quality.
FLAC
Free Lossless Audio Codec — Open-source lossless audio that's 40–60% smaller than WAV with zero quality loss.
How to convert WEBM to FLAC
- 1Upload your WEBM file
Click “Choose a file” or drag and drop your WEBM file onto the page — no sign-up or email needed.
- 2Convert to FLAC
FLAC is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your FLAC file
Your FLAC file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
WEBM vs FLAC
| WEBM | FLAC | |
|---|---|---|
| Full name | WebM | Free Lossless Audio Codec |
| Type | Video | Audio |
| Compression | Lossy | Lossless |
| Best for | efficient web video in Chrome, Firefox and Edge | archiving and audiophile listening |
Frequently asked questions
Does converting WEBM to FLAC lose quality?
Your WEBM file is already compressed, so converting to lossless FLAC can't restore detail that was discarded earlier — but it won't lose any more. The FLAC file matches your WEBM file exactly.
What's the difference between WEBM and FLAC?
WebM (WEBM) is lossy and best for efficient web video in Chrome, Firefox and Edge. Free Lossless Audio Codec (FLAC) is lossless and best for archiving and audiophile listening. Convert WEBM to FLAC when you need a audio for archiving and audiophile listening.
Is the WEBM to FLAC converter free?
Yes — converting WEBM to FLAC is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my WEBM files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert WEBM to FLAC on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert WEBM to FLAC?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert WEBM files to?
Besides FLAC, you can convert WEBM to AAC, AVI, FLV, GIF, JPG, M4A and more — see the full list of WEBM conversions below.
Other conversions
Last updated July 2026