FLAC Converter
FLAC Converter is a free online tool that lets you convert audio to lossless FLAC. It runs entirely in your browser — no sign-up, no watermark, and your files are never uploaded.
Free · unlimited · processed privately in your browser
or drag and drop a file here
Supported: MP3, WAV, OGG, AAC, M4A
Your files stay private — 100% in your browser
We never upload your files, photos, or videos to any server. Everything is processed directly in your browser, so your data never leaves your device. That means zero privacy worries — no one else can ever see or store what you convert.
- No uploads
- Processed on your device
- No sign-up needed
About FLAC Converter
FLAC Converter is a free online tool that lets you convert audio to lossless FLAC. There is no sign-up, no watermark, and no limit on how many times you can use it. The whole process happens on your own device using your browser, so your media is never uploaded and nobody else can access it.
After you upload
FLAC Converter needs no settings — the conversion starts as soon as you run it and finishes in your browser, so nothing is uploaded.
How to use FLAC Converter
- 1Click Choose Files and upload your file.
- 2Adjust any available options for your needs.
- 3Press Run to process the file in your browser.
- 4Download your result instantly.
Frequently asked questions
Is FLAC Converter free?
Yes — FLAC Converter is free to use as often as you like, with no account, no caps, and no watermark on the output.
Do I need to install anything?
Nothing to install. FLAC Converter works inside your web browser on desktop and mobile — no app, codecs, or plugins needed.
Are my files uploaded to a server?
No. Your media files are processed on your own device and never sent to a server, so they stay private.
How to convert audio to flac?
Use FLAC Converter above: upload your file, run it, and download the result. It is free with no limits or sign-up, and the whole process happens on your own device using your browser, so your media is never uploaded and nobody else can access it.
What is a flac file?
Use FLAC Converter above: upload your file, run it, and download the result. It is free with no limits or sign-up, and the whole process happens on your own device using your browser, so your media is never uploaded and nobody else can access it.
Is flac better than mp3?
Use FLAC Converter above: upload your file, run it, and download the result. It is free with no limits or sign-up, and the whole process happens on your own device using your browser, so your media is never uploaded and nobody else can access it.