Java Full Course for free ☕
Total watch time
12h
at 1× speed · exactly 12 hours at 1×
| 1× | 12h |
|---|---|
| 1.25× | 9h 36m |
| 1.5× | 8h |
| 1.75× | 6h 51m 26s |
| 2× | 6h |
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Show the length in a README or course description — it links back here and updates itself
Markdown
[](https://playlistduration.com/video/xTtL8E4LzTQ)HTML
<a href="https://playlistduration.com/video/xTtL8E4LzTQ"><img src="https://playlistduration.com/badge/video/xTtL8E4LzTQ.svg" alt="Length: 12h" width="89" height="20"></a>Add ?speed=1.5 to the image URL for the time at that speed, ?label=Course to change the left text, or ?style=flat-square for square corners.
Want the numbers themselves? GET https://playlistduration.com/api/v1/video/xTtL8E4LzTQ returns them as JSON — free, no key. API docs →
Data from the YouTube Data API as of 2026-09-22 (cached).