Tap Start test. Each clip below is loaded (muted) and given up to 15 seconds to play; the whole run takes a minute or two. Results are sent to the server automatically, but please also take a photo of this screen when it finishes. The automatic test is muted, so tap Watch on a passing clip to check you can hear the tone.
| # | Clip | canPlayType | Result | Details | |
|---|---|---|---|---|---|
| 1 | H.264 Baseline 3.0, 852x480, AAC-LC Most compatible H.264 there is · encode profile: safe |
- | - | Watch | |
| 2 | H.264 Baseline 3.1, 1280x720, AAC-LC 720p for simple decoders · encode profile: baseline720 |
- | - | Watch | |
| 3 | H.264 Main 3.1, 1280x720, AAC-LC Recommended default · encode profile: compat |
- | - | Watch | |
| 4 | H.264 Main 3.1, 1280x720, MP3 Original plan: MP3 audio in MP4 · encode profile: mp3 |
- | - | Watch | |
| 5 | H.264 High 4.0, 1280x720, AAC-LC Better compression, needs a newer decoder · encode profile: high720 |
- | - | Watch | |
| 6 | H.264 High 4.1, 1920x1080, AAC-LC Full HD · encode profile: high1080 |
- | - | Watch | |
| 7 | Main 3.1 720p AAC, NOT faststart Index at end of file (tests seeking/range support) |
- | - | Watch | |
| 8 | Main 3.1 720p, no audio track Isolates video decoding from audio problems |
- | - | Watch | |
| 9 | MPEG-4 Part 2 (ASP), 852x480, AAC-LC For very old devices without H.264 · encode profile: mpeg4 |
- | - | Watch | |
| 10 | WebM VP8, 852x480, Vorbis For browsers without H.264 (e.g. old Opera) · encode profile: webm |
- | - | Watch |