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CELT to AMR - Online Audio Converter
Convert CELT to AMR online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert CELT to AMR
Drop CELT audio here or click to select
CELT
AMR (AMR-NB)
About CELT to AMR
Convert CELT to AMR. CELT is the low-delay music layer later merged into Opus. AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. Tuned for voice calls, so music loses detail by design..
Why convert CELT to AMR?
- Smaller files with AMR lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
CELT vs AMR
| Codec | CELT | AMR-NB |
|---|---|---|
| Compression | lossy | lossy |
| Sample behavior | Quality set by bitrate | Quality set by bitrate |
| Typical use | CELT is the low-delay music layer later merged into Opus. | AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. |
When not to convert CELT to AMR
- Skip AMR for archival masters: lossy compression discards detail, so keep the CELT original.
- Keep a master copy: repeated exports stack small losses, so archive CELT before batch AMR shares.
Limits
Starting point: CELT - CELT is the low-delay music layer later merged into Opus. Stand-alone files are rare; prefer Opus targets. Tuned for voice calls, so music loses detail by design. Encode AMR (AMR-NB) from CELT at 256k for music or 128k for speech, starting from the master.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
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FAQ
How do I convert CELT to AMR?
Drop your CELT file onto this page, choose quality and codec settings, then click Convert. The result downloads as AMR instantly. All processing runs in your browser.
What codec is used for AMR?
The default codec for AMR is AMR-NB. You can change audio parameters in Advanced mode.
How do you store my files?
We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.