Convert MPEG Audio Layer 2 (.mp2) to MPEG-4 Audio (.m4a) online for free. Fast, secure audio conversion with no watermarks or registration.
Upload your .mp2 file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .m4a file when it's ready.
Converting MP2 to M4A upgrades broadcast MPEG Audio Layer 2 to the modern MPEG-4 audio container. M4A with AAC encoding provides everything MP2 lacks for consumer distribution: universal device support, rich metadata, efficient compression, and integration with music ecosystems from Apple to Android.
MP2 was designed for broadcast transmission robustness; M4A was designed for consumer audio distribution. This conversion bridges these two worlds, making professional broadcast content accessible to consumer audiences.
M4A is the standard consumer audio format — it plays on every device, carries rich metadata, and compresses efficiently. Converting broadcast MP2 to M4A makes radio recordings, television audio, and DVD soundtracks accessible in the format that modern media players expect.
For podcasters repurposing broadcast MP2 content, M4A/AAC is the required format for Apple Podcasts, Spotify, and most podcast directories. Converting the broadcast audio to M4A with proper metadata enables direct podcast distribution.
FFmpeg decodes MP2 broadcast audio to PCM and encodes to AAC-LC within an M4A container. The container supports moov, udta, and ilst atoms for rich metadata including artwork, chapters, and lyrics. Broadcast-standard 48 kHz sample rate is preserved. VBR mode optimizes bitrate allocation. For lossless, ALAC encoding within M4A preserves the full decoded broadcast audio.
AAC at 128 kbps in M4A matches broadcast MP2 at 256 kbps. At 192 kbps, the output is transparent relative to any MP2 source. For podcast speech content from broadcasts, 64 kbps mono AAC provides excellent quality. M4A with ALAC provides lossless decoded quality.
| Device | MP2 | M4A |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Native |
| iPhone/iPad | Partial | Native |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Resolution: N/A
Bitrate: 256 kbps
AAC format required
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
MP2 to M4A is the definitive broadcast-to-consumer conversion. M4A provides universal playback, rich metadata, and efficient encoding.
Biztonsagos atvitel
HTTPS titkositott feltoltes
Adatvedelmi prioritas
A fajlok feldolgozas utan automatikusan torlodnek
Regisztracio nem szukseges
Azonnal kezdhet konvertalni
Mindenhol mukodik
Barmely bongeszo, barmely eszkoz
| No |
| Jellemzo | MP2 | M4A |
|---|---|---|
| Teljes nev | MPEG Audio Layer 2 | MPEG-4 Audio |
| Kiterjesztes | .mp2 | .m4a |
| Leginkabb ajanlott | Broadcast standard | Better than MP3 |