Sample 402 KB MP3 File — Free Download for Testing
sample-audio-30s-vbr-v2.mp3 · 402,483 bytes · 30 s · MP3 · 107 kbps · 44.1 kHz · stereo
This is a 402 KB sample MP3 file — exactly 402,483 bytes, generated by us rather than scraped, so the size is deliberate and the contents are free of anyone else's copyright. 30s • VBR V2 (30 s · MP3 · 107 kbps · 44.1 kHz · stereo). Use it to test an upload limit near 402 KB, to time a transfer, or as a fixture whose hash never changes.
Sizes here are decimal: 402 KB means 402,483 bytes, not 0.38 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-30s-vbr-v2.mp3 |
|---|---|
| Exact size | 402,483 bytes (402 KB / 393 KiB) |
| Format | MPEG-1 Audio Layer III (.mp3) |
| MIME type | audio/mpeg |
| Properties | 30 s · MP3 · 107 kbps · 44.1 kHz · stereo |
| SHA-256 | cfa7e5c4e369bd788454f6eaa28fb14fa914e7eac23ff852788ffd66797f99f5 |
| Direct URL | https://pnb-website-bucket.s3.us-east-2.amazonaws.com/samples/audio/mp3/sample-audio-30s-vbr-v2.mp3 |
Download from the command line
curl -O https://pnb-website-bucket.s3.us-east-2.amazonaws.com/samples/audio/mp3/sample-audio-30s-vbr-v2.mp3 shasum -a 256 sample-audio-30s-vbr-v2.mp3
Other MP3 sizes
Frequently asked questions
How big is this MP3 file exactly?
Exactly 402,483 bytes (402 KB using decimal units, where 1 MB = 1,000,000 bytes). Binary-unit tools will show a slightly different number: 0.38 MiB. The SHA-256 on this page lets you confirm you received the same file byte for byte.
What can I test with a 402 KB MP3 file?
Upload size limits that sit near 402 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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