FLAC to MP3
Convert lossless FLAC to MP3.
Trim & fade options
Trim applies to every file in the queue. Leave blank to keep the full length.
This free FLAC to MP3 converter turns lossless FLAC audio into compact MP3 files that play on virtually any device or player. Conversion uses an in-page media engine, with no size limit, no queue, and no signup.
FLAC preserves every bit of the original recording, which makes it ideal for archiving but leaves you with large files that many phones, car stereos, Bluetooth speakers, and upload forms simply will not play. MP3 is the most widely supported audio format in existence and is several times smaller, so converting lets you carry far more music and share it anywhere without a second thought.
Features
- · Drag-and-drop or click to load one file or a whole album
- · VBR quality presets (V0/V2/V4) for the best quality per megabyte
- · CBR bitrates from 320 kbps down to 64 kbps for exact size control
- · Sample-rate control — 48, 44.1, 32, 22.05, 16, 8 kHz, or keep original
- · Channel control — keep original, force stereo, or downmix to mono
- · EBU R128 loudness normalization for consistent volume
- · Trim to a start and end point, plus fade-in and fade-out
- · Batch queue with per-file progress and download-all-as-ZIP
- · In-page audio preview of every result before you save it
- · Free — no watermark, no account
How to convert FLAC to MP3
- 1. Drop your FLAC files onto the box above, or click to browse for them.
- 2. Optional: pick a VBR or CBR quality, set sample rate or channels, normalize, or trim.
- 3. Click Convert to MP3 and watch each file's progress bar.
- 4. Preview any track in place, then download individually or grab them all as a ZIP.
Choosing the right quality
For general listening, the default V2 VBR setting is transparent to most ears at a modest file size. Choose V0 or 320 kbps CBR when you want the closest thing to the FLAC source, or step down to 128–192 kbps to fit more tracks on a small device. For spoken-word audio like podcasts or voice memos, 64–96 kbps mono keeps files tiny with no audible loss.
Why convert in your browser
Most online FLAC converters cap the free file size, queue you behind other users, and limit how many files you can convert per day unless you pay. This tool has none of those limits: the only size limit is your own hardware, and every quality option — including full 320 kbps and batch ZIP export — is always free.
Frequently asked questions
Is this FLAC to MP3 converter really free?
Yes. There is no signup, no watermark, no email, and no daily conversion cap. Every option — bitrate, VBR/CBR quality, sample rate, channels, normalization, trimming and fades — is available at no cost.
Are my files uploaded to a server?
The conversion runs inside your browser using an in-page media engine (ffmpeg compiled to WebAssembly), which is why there is no file-size limit and nothing to delete afterwards.
Can I convert several FLAC files at once?
Yes. Drop a whole folder of FLAC tracks — for example a ripped album — and they are queued and converted one by one, each with its own progress bar. When more than one is done you can download them together as a single ZIP.
What is the difference between VBR and CBR quality?
CBR (constant bitrate) locks every second of audio to the same bitrate — 320 kbps down to 64 kbps — which is predictable and best for strict size targets. VBR (variable bitrate) lets the encoder spend more bits on complex passages and fewer on simple ones, giving better quality per megabyte. V0 is the highest-quality VBR setting and V2 (the default) is transparent to most listeners at a smaller size.
Will converting to MP3 lose audio quality?
FLAC is lossless and MP3 is lossy, so some data is discarded by definition. In practice, at V0/V2 VBR or 256–320 kbps CBR the result is transparent to most ears on most equipment. Keep the FLAC originals if you want an archival master; use MP3 for phones, cars, and players with limited space.
Why convert FLAC to MP3 at all?
FLAC files are large and not universally supported — many car stereos, older phones, Bluetooth speakers, and web uploads reject them. MP3 is the most compatible audio format in the world and is roughly 3–6× smaller, so it plays everywhere and fits far more music on a device.
Can I normalize loudness or trim a track?
Yes. Turn on Normalize to apply EBU R128 loudness normalization so tracks play at a consistent volume. Use the trim and fade controls to cut to a start and end point and add fade-in or fade-out — useful for making ringtones or clips from a longer recording.