compressvid.ioTurn iTunes / Apple M4A audio into a universal MP3 that plays on every device. Pick a bitrate, download — free, no watermark, nothing to install.
Need volume, waveform, or ringtone export? Open the full audio editor · M4R to MP3
M4A is the audio Apple ships everywhere — iTunes purchases, Voice Memos, Apple Music exports. It is AAC in an MPEG-4 wrapper: excellent on iPhone and Mac, uneven on Android players, car stereos, old MP3 devices, and some editing tools. MP3 is the format those targets already speak. Convert once and the same track plays on every phone, stick, and stereo. Upload the M4A, pick a bitrate, download an MP3 — free, no watermark, nothing to install.
M4A is already compressed. MP3 re-encodes — the bitrate decides how much you keep.
| Bitrate | Best for | Notes |
|---|---|---|
| 128 kbps | Voice memos, podcasts, tiny files | Speech stays clear; music thins out |
| 160 kbps | Everyday music and sharing | Best balance for most listeners |
| 320 kbps | Music you care about | Larger files, closest to the M4A story |
You cannot restore detail lost in the original AAC encode. This tool re-encodes to MP3 for compatibility, not for “better than source” quality. Limits checked October 2026.
Three steps. No iTunes sync required.
Drop in the file (MP4 audio and AAC also work). The browser preview loads so you can confirm the right take.
160 kbps is the everyday default. Use 320 for music masters, 128 when the file must stay small.
Press Convert to MP3 and save the file. It plays on Android, Windows, car stereos, and every music app.
Most jobs come from these situations.
| Situation | Why MP3 helps | What to do |
|---|---|---|
| Play on Android / Windows | Some players reject or mishandle M4A | Convert, then copy the MP3 over |
| Car stereo / USB stick | Many decks still want MP3 | 160–320 kbps onto the stick |
| Voice Memo → share or edit | Voice Memos are M4A | Convert, then attach or drop into a DAW |
| Older MP3-only devices | No AAC decoder on board | Convert the files you still use |
| Website / LMS upload | Hosts often list MP3 as the safe type | Convert before upload |
Need an iPhone ringtone instead of a generic MP3? Use the M4R tools — MP3 to M4R goes the other way.
A focused one-job converter: Apple audio in, portable MP3 out. Small on purpose so you finish in under a minute.
128, 160, or 320 kbps CBR. Default 160 matches what most people need for music and voice.
Confirm the take and length before spending a guest slot or credits.
Guests can convert daily without signing in. Signed-in users get monthly credits for larger libraries.
Want a classic iPhone ringtone? Convert to MP3 then use MP3 to M4R — or go straight from audio editor export.
Answers before you re-encode.
Upload the M4A, pick a bitrate, download — free and no watermark.