Sample MP3 100KB File
MP3 audio — 192 kbps, tone or sweep
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Download 100KB MP3100 KBTestFile-mp3-100kb.mp3
File details
| Format | MP3 |
| Extension | .mp3 |
| MIME type | audio/mpeg |
| Size | 100 KB |
| Exact bytes | 102,400 |
| Filename | TestFile-mp3-100kb.mp3 |
| Format version | MPEG-1 Layer 3 (MP3), 128 kbps CBR |
| Contents | 440 Hz sine tone, ~6 s; 128 kbps CBR; stereo; 44.1 kHz; no ID3 metadata |
| Encoding | MPEG-1 Layer 3, 128 kbps CBR; stereo joint encoding; 44.1 kHz; no padding |
What is a 100KB MP3 file useful for?
A 6-second, 128 kbps MP3 is the right file for testing audio upload validators, MIME type detection (audio/mpeg), and basic playback integration. Use it to verify that your upload endpoint correctly identifies MP3 from the ID3v2 header or the sync word (FF FB / FF FA / FF F3) rather than the .mp3 extension, and to confirm that your audio player component plays a short clip without buffering artifacts. The 440 Hz tone makes codec correctness immediately audible.
What's inside this file?
Generated by ffmpeg. A 440 Hz (A4 concert pitch) sine tone approximately 6 seconds long, encoded as MPEG-1 Layer 3 at 128 kbps CBR, stereo, 44.1 kHz. No ID3 tag metadata. The file begins with an MPEG frame sync word (0xFF 0xFB for MPEG-1 Layer 3 with no CRC). At 128 kbps CBR each MPEG audio frame is exactly 417–418 bytes, producing approximately 344 frames in a 6-second clip.
Download via curl
curl -L "http://localhost:8000/files/mp3/TestFile-mp3-100kb.mp3" \ -o TestFile-mp3-100kb.mp3
Need different parameters?
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