Supported
| Media | Support |
|---|
HLS master and media playlists (.m3u8) | Yes |
| MPEG-TS segments, H.264 video + AAC audio | Yes — remuxed to MP4 |
| Clear (unencrypted) fragmented MP4 / CMAF segments | Yes |
| Separate audio renditions | Yes, under conditions |
| AES-128 encrypted MPEG-TS | Yes (standard HLS key) |
| Direct MP4 and WebM files | Yes — saved in the original format |
| Live playlists | Saves the segments available at that moment |
Not supported
| Item | Reason |
|---|
| DRM-protected video (Widevine, FairPlay, PlayReady, SAMPLE-AES) | KepVideo does not bypass DRM or access controls. |
| YouTube | Not supported; removed in 0.2.21 in line with Chrome Web Store policy and YouTube's terms. |
MPEG-DASH (.mpd) | Not implemented. |
| Format changes or discontinuities in the middle of a stream | Not implemented. |
| Resuming after the tab is reloaded or closed | Not implemented; start the download again. |
| Converting WebM to MP4 or re-encoding | Out of scope; files are saved as delivered. |
Use KepVideo only for media you own or have permission to save. Some sites restrict access, so not every stream can be downloaded.
Last updated 6 October 2026 · version 0.2.34