Sample WebM 10MB File
WebM — VP9, open web format
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Download 10MB WebM10 MBTestFile-webm-10mb.webm
File details
| Format | WebM |
| Extension | .webm |
| MIME type | video/webm |
| Size | 10 MB |
| Exact bytes | 10,485,760 |
| Filename | TestFile-webm-10mb.webm |
| Format version | WebM / VP9 + Opus — WebM Project |
| Contents | 1,920 × 1,080 SMPTE colour bars, ~8 min; VP9 CRF 33; Opus stereo 128 kbps 48 kHz; WebM container |
| Encoding | VP9, CRF 33; Opus 48 kHz stereo 128 kbps; WebM (Matroska subset, 'webm' DocType) |
What is a 10MB WebM file useful for?
A 10 MB WebM at 1080p tests VP9 processing pipelines at a scale where transcoding becomes a multi-minute operation. Use it to verify that VP9 → H.264 transcoding is correctly queued as an async job, to benchmark libvpx decode performance vs hardware VP9 decode when generating thumbnails, and to test that your CDN correctly handles WebM range requests for seek-by-click in browser video players.
What's inside this file?
Generated by ffmpeg. A 1,920 × 1,080 SMPTE colour-bar test pattern approximately 8 minutes long. VP9 at CRF 33. Audio: a 440 Hz sine tone, stereo, Opus at 128 kbps, 48 kHz. WebM container. VP9 software encoding at 1080p is notably slower than H.264 with libx264 — expect 3–5× longer encode time for equivalent quality.
Download via curl
curl -L "http://localhost:8000/files/webm/TestFile-webm-10mb.webm" \ -o TestFile-webm-10mb.webm
Need different parameters?
Generate a custom WebM file with exact settings.