FLAC to MP3 Converter – Free Online

How to Convert FLAC to MP3 Online

Drop your FLAC file

Drag and drop your .flac file onto the box above, or click Choose Files. The request is already filled in: “Convert this to MP3”.

Say how, if you want

The AI assistant uses sensible defaults. To choose the bitrate, codec or sample rate yourself, say so in the request, for example “Convert this to MP3 at 320 kbps”.

Save your MP3 file

The assistant opens with your file and converts it on your own device; the file itself is never uploaded. When the MP3 file is ready, click Save. Prefer to set everything by hand, or batch-convert several files into a ZIP? The classic converter is one click away on this page.

Why Convert FLAC to MP3?

FLAC keeps every bit but many phones, cars and portable players cannot play it, and the files are five to six times larger than MP3. Converting FLAC to MP3 at 320 kbps gives you near-transparent quality in a file that plays on absolutely everything.

The converter decodes the FLAC in your browser, preserves album, artist and title tags, and encodes at the bitrate you choose. Batch-convert an entire album by dropping all the tracks at once.

Private by design: your FLAC file is converted on your own device and never uploaded.
MP3 already asked for: the AI assistant's request says MP3, so one drop does it. Want a particular bitrate, codec or sample rate? Just say so.
Batch friendly: the classic converter on this page takes several FLAC files in one go and downloads them as a ZIP.
Free, no watermark: no sign-up, and nothing stamped on the output.

FLAC vs MP3

FLAC (Free Lossless Audio Codec): FLAC (Free Lossless Audio Codec) compresses audio to roughly half the size of WAV without discarding a single bit, so it decodes back to the identical original. It is best for lossless music libraries and audiophile listening.

MP3 (MPEG-1 Audio Layer III): MP3 is the universal lossy audio format. It plays on every device made in the last twenty-five years and offers small files with good quality at 192 to 320 kbps. It is best for music players, podcasts, phones and sharing.

In short: keep FLAC when the priority is lossless music libraries and audiophile listening, and switch to MP3 when the file is headed for music players, podcasts, phones and sharing. Need a different target? The full Audio Converter supports every format listed below.

FLAC to MP3 FAQ

Will I hear the difference between FLAC and 320 kbps MP3?

In blind tests almost nobody can distinguish them on normal equipment. Keep the FLAC as your archive and use MP3 for portable devices.

Are the tags kept?

Yes. Title, artist, album, genre and year are copied into the MP3's ID3 tags and can be edited before converting.

Is this FLAC to MP3 converter free?

Yes. Converting FLAC to MP3 on MediaConverter.io is free, with no watermark and no sign-up. The AI assistant runs on a free daily allowance of assistant credits; the classic converter on this page has no daily limit at all.

Are my FLAC files uploaded to a server?

No. The conversion runs inside your browser using FFmpeg compiled to WebAssembly, so your .flac file is read and converted on your own device and never uploaded, which keeps private recordings private and means there is no waiting in an upload queue. The AI assistant only sees what you type and basic facts about the file: its name, format, duration and size.

Is there a file size limit for FLAC to MP3?

There is no plan or account limit, but the converter loads the whole FLAC file into your browser's memory, so about 2 GB per file is the practical ceiling; larger files may fail to open. Long or high-resolution files also take longer, especially on phones.

Can I choose the MP3 settings myself?

Yes. Ask the AI assistant for a bitrate, codec or sample rate in your request. Audio track selection and every other setting are in the classic converter, one click away on this page.

Will converting FLAC to MP3 reduce quality?

MP3 is a lossy format, so the FLAC audio is decoded and re-encoded. Keep the bitrate at 100% (or pick 256 to 320 kbps) and the difference is inaudible for almost all listeners.

Which browsers support the FLAC to MP3 converter?

It is built and tested on current desktop Chrome and Edge. The conversion itself runs in WebAssembly, which every current desktop browser supports, so speed depends mostly on your computer's processor.