Match the format to the job — MP3 up to 320kbps, plus FLAC, WAV, and AAC, free.

Convert to 320kbps MP3 →

The honest summary: for listening, 320kbps MP3 is effectively as good as lossless for almost everyone — smaller, universal, done. For archiving or editing, choose lossless (FLAC or WAV). And 128kbps is the one to avoid for music. Here's the full comparison so you can pick with confidence.

The One Table That Answers Most of It

FormatTypeBitrateSize (3-min)Sound qualityBest for
MP3 128kbpsLossy128kbps~2.9 MBAudibly compressedSpeech, tight storage
MP3 320kbpsLossy320kbps~7.2 MBTransparent for mostEveryday listening
AAC 256kbpsLossy256kbps~5.8 MB≈ 320kbps MP3Apple devices
FLACLossless~800–1,000kbps~25–35 MBPerfect copyArchiving, editing
WAVLossless (uncompressed)~1,411kbps~30–50 MBPerfect copyPro audio, editing

320kbps vs FLAC

This is the big one. FLAC is lossless — a bit-perfect, compressed copy of the original with nothing discarded. 320kbps MP3 is lossy — it throws away data judged inaudible. On paper FLAC wins. By ear, in fair blind ABX tests, most listeners can't reliably tell 320kbps MP3 from FLAC.

So which should you use?

  • Choose 320kbps MP3 for listening: 1/4 the size, plays on everything, sounds the same to most people.
  • Choose FLAC for archiving: it's your master copy. You can re-convert FLAC to any format later with zero stacked losses. MP3 can't do that — each re-encode degrades further.

The neat strategy: keep FLAC as your archive, and make 320kbps MP3s from it for your phone and car.

320kbps vs WAV

WAV is uncompressed lossless — the same audio as FLAC but with no compression at all, so files are even bigger (a 3-minute song can be 30–50 MB). WAV also often lacks robust tag support. Sound quality is identical to FLAC (both are lossless); WAV's only real advantages are maximum compatibility with audio-editing software and zero decode overhead. For listening, WAV is overkill versus 320kbps. For editing, WAV or FLAC both work.

320kbps MP3 vs 256kbps AAC

Bitrate isn't apples-to-apples across codecs. AAC is more efficient than MP3, so 256kbps AAC generally sounds as good as 320kbps MP3 despite the lower number — and the file is a bit smaller. If your world is Apple (iPhone, AirPods, Mac, CarPlay), AAC is the natural pick. If you need something that plays literally everywhere, 320kbps MP3 is the safest universal choice.

320kbps vs 128kbps

No contest for music. 128kbps is audibly compressed on any decent headphones — cymbals, reverb, and high frequencies get grainy. It made sense when storage was scarce; today it mainly suits speech (podcasts, audiobooks, voice memos) where fidelity matters less. For music you care about, 320kbps is worth the extra megabytes.

Is 320kbps Lossless?

No — it's lossy, like all MP3. It just discards very little you can actually hear. "Lossless" strictly means FLAC, WAV, or ALAC. People calling 320kbps "near-lossless" mean it sounds lossless to most ears, not that it technically is.

The Rule That Overrides All of This: The Source

No format can beat the file it was made from. Converting a 128kbps source to FLAC gives you a huge file that still sounds like 128kbps. Converting an already-lossy stream (YouTube, most SoundCloud) to 320kbps preserves it but doesn't upgrade it. Always start from the highest-quality source you can get; the output format only decides how much of that you keep. More on this in converting 128kbps to 320kbps.

Quick Decision Guide

  • Just want it to sound great and play anywhere? → 320kbps MP3
  • On Apple gear? → 256kbps AAC (or 320kbps MP3, both fine)
  • Archiving a master to re-convert forever? → FLAC
  • Editing in a DAW? → WAV or FLAC
  • Speech only / almost out of space? → 128kbps is acceptable

For listening, 320kbps MP3 is the pragmatic winner — lossless-grade sound to most ears at a quarter the size. Our converter offers MP3 (up to 320kbps), FLAC, WAV, and AAC free, so you can match the format to the job.

Convert to 320kbps MP3 → Compress or convert a file →

Frequently Asked Questions

Can you tell the difference between 320kbps and FLAC?

Most people can't in a fair blind test. FLAC is technically superior; 320kbps MP3 is transparent enough for everyday listening.

Is FLAC worth it over 320kbps?

For archiving and editing, yes — it's lossless and re-convertible. For listening, the extra 4× file size usually isn't audible.

Is 256kbps AAC better than 320kbps MP3?

Roughly equal by ear — AAC is more efficient, so the lower number matches the higher MP3 one. AAC suits Apple devices best.

Is 320kbps better than 128kbps?

Clearly yes for music. 128kbps is audibly compressed; 320kbps is transparent for most listeners.

Is 320kbps lossless?

No — it's lossy but very high quality. Only FLAC, WAV, and ALAC are truly lossless.

Should I convert my 128kbps files to FLAC or 320kbps?

Neither improves them — quality is capped by the source. Re-convert only from a high-quality original.