QuikbenchQuikbench

Convert FLAC
to MP3, instantly.

Shrink lossless FLAC files down to shareable MP3s, encoded right in your browser tab. Nothing is uploaded — open your network tab if you don’t believe it.

> network ....... none after page load
> max batch ..... 20 files, 300MB combined
> input ......... FLAC
> output ........ MP3

FLAC to MP3 Converter

FLAC → MP3

Drop in one or more FLAC files. Each is decoded and encoded to a high-quality 320kbps MP3 locally, so file size drops dramatically for easier sharing and playback.

Drag FLAC files here, or click to browse
Accepts FLAC → converts to MP3 · up to 20 files, 300MB total

How this tool works

Every tool on Quikbench follows the same rule: your files are read, converted, and turned into a download entirely inside this browser tab — nothing is ever uploaded to a server.

FLAC to MP3 Converter

Converts FLAC files to MP3 entirely locally in your browser using the lamejs encoder. Your FLAC file is decoded to raw audio and re-encoded as a real, playable MP3 at 320kbps — nothing is sent to a server.

> how it works ... your file is decoded into raw audio and re-encoded locally
> what we receive nothing — files never leave your device
> supported ...... FLAC → MP3

Single files or batches

Convert one file at a time, or queue several FLAC files and convert them all to MP3 in a single batch, with a zip download when you're done.

Local encoding, real results

MP3 encoding runs entirely client-side at a solid 320kbps default, so you get a genuine MP3 file without a round trip to any server.

Waveform
FLAC MP3
Local conversion

Why convert FLAC to MP3?

FLAC files can be several times larger than an equivalent MP3, which makes them unwieldy to email, upload, or store in bulk. Converting to MP3 trades a small, usually inaudible amount of quality for a much smaller file — ideal for sharing a music library, uploading to a streaming platform, or saving storage space.

What this tool doesn't do

This is a straightforward format conversion — it doesn't trim, normalize volume, or edit the audio in any way. If you need to cut a clip or adjust levels, do that in a dedicated audio editor before converting here. Need other formats too? The full Audio Converter handles MP3, WAV, M4A, MP4, AAC, OGG, and FLAC in one place.

Frequently asked questions

Drop your FLAC file into the box above, wait a moment while it's read in your browser, then hit Convert and download the MP3 file. No account or install needed.

No. The whole conversion, from reading the FLAC file to producing the MP3 download, happens locally in your browser tab using the Web Audio API. Nothing is sent to a server.

Yes, there's no cost, no account, and no watermark. Since conversion happens on your device, there are no server-side usage limits either.

It depends on the direction. Converting a lossy format (like MP3, MP4/AAC audio) to WAV doesn't recover any quality that was already lost — it just repackages the same audio uncompressed. Converting to MP3 applies lossy compression, so some quality is deliberately traded for a smaller file.

Yes — queue up to 20 files (300MB combined) and convert them all in a single batch, then download everything as one zip file.

Any modern browser with Web Audio API support — Chrome, Edge, Firefox, and Safari all work. If a specific file fails to decode, try a different browser, since audio/video codec support varies slightly between them.

📖 Related guide: Audio Formats Explained: MP3 vs WAV vs OGG · Need another format? Try the full Audio Converter.