Bulk MP1 to AMR Converter Online — Free HD Quality
Drag and drop your multiple MP1 files into this free online MP1 to AMR converter (.mp1 to .amr), and click the Convert button to bulk convert them to AMR format in HD quality. Use the quality slider to fine-tune your AMR output, then download your converted files one by one or as a single ZIP — your original MP1 files are removed from our servers right after.
Drop images here or click to browse
PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
MP1 vs AMR — File Format Comparison
| Feature | MP1 | AMR |
|---|---|---|
| File Extension | .mp1 | .amr |
| MIME Type | audio/mpeg | audio/amr |
| Compression Type | Lossy | Lossy |
| Metadata Support | No | No |
What Is MP1 Format?
MPEG-1 Audio Layer 1 — the earliest MPEG audio codec, used in Video CD and some legacy broadcast equipment; superseded by MP2 and MP3 and encountered only in archival digital video content.
- Compression: Lossy
- Tags & Metadata: Not supported
What Is AMR Format?
Adaptive Multi-Rate — the standard voice codec for GSM and UMTS mobile networks, used in phone call recordings and voice messages; delivers compact files optimised for speech at 8 kHz.
- Compression: Lossy
- Tags & Metadata: Not supported
Related Converters
- Convert CAF to WebP free
- Get PCX from CUR
- Make GIF files into AVIF
- Make JPEG 2000 files into PAM
- Convert JPS to DDS
- M4B to IPAD converter
- Handle many MP3 to iPad Audio at once
- Convert PICON to JPEG 2000 free
- Convert PICON files in bulk to SGI
- RAW to TGA converter
- Mass RMI to TGA conversion
- RW2 to PNG converter
- Free online SR2 to PDF tool
- WBMP to PDF conversion
- Convert MP1 to other formats
- More AMR conversions
- Free Audio converter tools
- All file conversion tools