Sample 121 KB MP3 File — Free Download for Testing
sample-audio-15s-mono-64kbps.mp3 · 120,743 bytes · 15 s · MP3 · 64 kbps · 44.1 kHz · mono
This is a 121 KB sample MP3 file — exactly 120,743 bytes, generated by us rather than scraped, so the size is deliberate and the contents are free of anyone else's copyright. 15s • 64 kbps mono (15 s · MP3 · 64 kbps · 44.1 kHz · mono). Use it to test an upload limit near 121 KB, to time a transfer, or as a fixture whose hash never changes.
Sizes here are decimal: 121 KB means 120,743 bytes, not 0.12 MiB. If your limit is expressed in binary units, check the exact byte count above before assuming this file is under it.
File details
| File name | sample-audio-15s-mono-64kbps.mp3 |
|---|---|
| Exact size | 120,743 bytes (121 KB / 118 KiB) |
| Format | MPEG-1 Audio Layer III (.mp3) |
| MIME type | audio/mpeg |
| Properties | 15 s · MP3 · 64 kbps · 44.1 kHz · mono |
| SHA-256 | 5777ab41edf3d9327d59e6d868c3d5c40543f2115e64f9c05abcb8c825e2c04c |
| Direct URL | https://pnb-website-bucket.s3.us-east-2.amazonaws.com/samples/audio/mp3/sample-audio-15s-mono-64kbps.mp3 |
Download from the command line
curl -O https://pnb-website-bucket.s3.us-east-2.amazonaws.com/samples/audio/mp3/sample-audio-15s-mono-64kbps.mp3 shasum -a 256 sample-audio-15s-mono-64kbps.mp3
Other MP3 sizes
Frequently asked questions
How big is this MP3 file exactly?
Exactly 120,743 bytes (121 KB using decimal units, where 1 MB = 1,000,000 bytes). Binary-unit tools will show a slightly different number: 0.12 MiB. The SHA-256 on this page lets you confirm you received the same file byte for byte.
What can I test with a 121 KB MP3 file?
Upload size limits that sit near 121 KB, transfer timing, storage quotas, and any pipeline that behaves differently above or below a size threshold. Pick the file just under and just over your limit to find out whether the limit is inclusive.
Is this file free to use commercially?
Yes. It is generated from scratch by our own open script — no third-party copyright, no scripts or macros inside — and free for any purpose including commercial products and redistribution, with no attribution required.
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