Note: This is all almost full YouTube ID informations. Original owner goes to AgentOak, modified version by Martin Eesmaa.
Last updated: July 2023
Also known as itag or format codes and way back they could be specified with the fmt parameter (e.g. &fmt=22).
Depending on the age and/or popularity of the video, not all formats will be available.
| Resolution | AV1 HFR High | AV1 HFR | AV1 | VP9.2 HDR HFR | VP9 HFR | VP9 | H.264 HFR | H.264 | VP8 |
|---|---|---|---|---|---|---|---|---|---|
| MP4 | MP4 | MP4 | WebM | WebM | WebM | MP4 | MP4 | WebM | |
| 4320p | 702 | 402/571 | 272 | ||||||
| 2160p | 701 | 401 | 337 | 315 | (313) | (305) | (266) | ||
| 1440p | 700 | 400 | 336 | 308 | (271) | (304) | (264) | ||
| 1080p | 699 | 399 | 335 | 303 | (248) | 299 | 137/216 | 170 | |
| 720p | 698 | 398 | 334 | 302 | 247 | 298 | 136 | 169 | |
| 480p | 697 | 397 | 333 | 244 | 135 | 168 | |||
| 360p | 696 | 396 | 332 | 243 | 134 | 167 | |||
| 240p | 695 | 395 | 331 | 242 | 133 | ||||
| 144p | 694 | 394 | 330 | 278 | 160 |
- HFR stands for "High Framerate", which means up to 60 FPS, whereas non-HFR is limited to 30 FPS
- Non-HFR 1080p+ H.264 and VP9 variants are not provided for HFR videos anymore
- Same IDs are reused for 360° videos
- 1440p+ H.264 variants are only provided for 360° videos anymore
- At the moment, AV1 variants are only provided for popular videos
- All AV1 variants can be HDR (no separate non-HDR AV1 variants are offered)
- AV1 HFR High: High refers to the bitrate. These variants have ~3-4 times the bitrate of their normal counterparts. Additional side effect is providing AV1 HFR variants for low resolutions (<=480p). These variants are rare even among videos with AV1 variants. Found on this video.
- AV1 HFR 4320p: Format 571 has roughly 50% higher bitrate than 402. Sometimes only one of them is offered, sometimes both. Can be seen on this video.
- VP8 can be found this video.
597 mp4 256x144 15 │ 7.97MiB 34k https │ avc1.4d400b 34k video only
602 mp4 256x144 12 │ ~ 9.28MiB 87k m3u8 │ vp09.00.10.08 87k video only
598 webm 256x144 15 │ 5.94MiB 25k https │ vp9 25k video only
269 mp4 256x144 24 │ ~ 18.55MiB 175k m3u8 │ avc1.4D400C 175k video only
603 mp4 256x144 24 │ ~ 16.62MiB 156k m3u8 │ vp09.00.11.08 156k video only
229 mp4 426x240 24 │ ~ 34.72MiB 327k m3u8 │ avc1.4D4015 327k video only
604 mp4 426x240 24 │ ~ 30.72MiB 289k m3u8 │ vp09.00.20.08 289k video only
230 mp4 640x360 24 │ ~ 86.22MiB 812k m3u8 │ avc1.4D401E 812k video only
605 mp4 640x360 24 │ ~ 60.27MiB 567k m3u8 │ vp09.00.21.08 567k video only
231 mp4 854x480 24 │ ~144.25MiB 1358k m3u8 │ avc1.4D401E 1358k video only
606 mp4 854x480 24 │ ~ 98.31MiB 926k m3u8 │ vp09.00.30.08 926k video only
232 mp4 1280x720 24 │ ~280.39MiB 2640k m3u8 │ avc1.4D401F 2640k video only
609 mp4 1280x720 24 │ ~181.03MiB 1705k m3u8 │ vp09.00.31.08 1705k video only
311 mp4 1280x720 60 │ ~ 1.14GiB 4842k m3u8 │ avc1.4D4020 4842k video only
270 mp4 1920x1080 24 │ ~498.55MiB 4694k m3u8 │ avc1.640028 4694k video only
614 mp4 1920x1080 24 │ ~312.21MiB 2940k m3u8 │ vp09.00.40.08 2940k video only
616 mp4 1920x1080 30 | ~ 2.66GiB 5849k m3u8 | vp09.00.40.08 5849k video only
617 mp4 1920x1080 60 │ ~ 1.52GiB 6443k m3u8 │ vp09.00.41.08 6443k video only
312 mp4 1920x1080 60 │ ~ 1.89GiB 7987k m3u8 │ avc1.64002A 7987k video only
620 mp4 2560x1440 24 │ ~928.71MiB 8745k m3u8 │ vp09.00.50.08 8745k video only
623 mp4 2560x1440 60 │ ~ 3.85GiB 16287k m3u8 │ vp09.00.50.08 16287k video only
625 mp4 3840x2160 24 │ ~ 1.94GiB 18661k m3u8 │ vp09.00.50.08 18661k video only
628 mp4 3840x2160 60 │ ~ 8.27GiB 35007k m3u8 │ vp09.00.51.08 35007k video only
Examples of two videos:
| Code | Container | Audio Codec | Audio Bitrate | Channels | Still offered? |
|---|---|---|---|---|---|
| 139 | MP4 | AAC (HE v1) | 48 Kbps | Stereo (2) | Rarely, YT Music |
| 140 | MP4 | AAC (LC) | 128 Kbps | Stereo (2) | Yes, YT Music |
| (141) | MP4 | AAC (LC) | 256 Kbps | Stereo (2) | No, YT Music* |
| 249 | WebM | Opus | (VBR) ~50 Kbps | Stereo (2) | Yes |
| 250 | WebM | Opus | (VBR) ~70 Kbps | Stereo (2) | Yes |
| 251 | WebM | Opus | (VBR) <=160 Kbps | Stereo (2) | Yes |
| 256 | MP4 | AAC (HE v1) | 192 Kbps | Surround (5.1) | Rarely |
| 258 | MP4 | AAC (LC) | 384 Kbps | Surround (5.1) | Rarely |
| 325 | MP4 | DTSE (DTS Express) | 384 Kbps | Surround (5.1) | Rarely* |
| 327 | MP4 | AAC (LC) | 256 Kbps | Surround (5.1) | ?* |
| 328 | MP4 | EAC3 | 384 Kbps | Surround (5.1) | Rarely |
| 338 | WebM | Opus | (VBR) ~480 Kbps (?) | Quadraphonic (4) | ?* |
| 380 | MP4 | AC3 | 384 Kbps | Surround (5.1) | Rarely |
| 599 | MP4 | AAC (HE v1) | 30 Kbps | Stereo (2) | Yes |
| 600 | WebM | Opus | (VBR) ~35 Kbps | Stereo (2) | Yes |
- Surround audio can be found on some demo videos
- YT Music: These formats are offered on Youtube Music. Format 141 is only available to Premium users with High Quality option
- Format 327, 338: These have been found on this Stereo 3D video
- Format 325: You can find out one video link here
| Code | Container | Video Codec | Video Res. | Audio Codec | Audio Bitrate | Channels | Still offered? |
|---|---|---|---|---|---|---|---|
| 5 | FLV | H.263 (Sorenson Spark) | 240p (4:3) | MP3 | 64 Kbps | Mono (1) | No |
| 6 | FLV | H.263 (Sorenson Spark) | 270p (4:3) | MP3 | 64 Kbps | Mono (1) | No |
| 17 | 3GP | MPEG-4 (Simple, L0) | 144p | AAC (LC) | 24 Kbps | Mono (1) | Yes*, old mobile phones |
| 18 | MP4 | H.264 (Baseline, L3.0) | 360p | AAC (LC) | 96 Kbps | Stereo (2) | Yes, GDrive |
| 34 | FLV | H.264 (Main, L3.0) | 360p | AAC | 128 Kbps | Stereo (2) | No |
| 35 | FLV | H.264 (Main, L3.0) | 480p | AAC | 128 Kbps | Stereo (2) | No |
| 36 | 3GP | MPEG-4 (Simple, L0) | 144p | AAC (LC) | 24 Kbps | Mono (1) | Rarely, old mobile phones |
| (59) | MP4 | H.264 (Main, L3.1) | 480p | AAC (LC) | 128 Kbps | Stereo (2) | No, GDrive |
| 43 | WebM | VP8 | 360p | Vorbis | 128 Kbps | Stereo (2) | No |
| 22 | MP4 | H.264 (High, L3.1) | 720p | AAC (LC) | 192 Kbps | Stereo (2) | Mostly*, GDrive |
| (37) | MP4 | H.264 (High, L4.0) | 1080p | AAC (LC) | 128 Kbps | Stereo (2) | No, GDrive |
- Format 17: Allows for old mobile phones (eg. cell phones) to watch all videos. The video can have 7.5 & 12 fps only.
- Always limited to 30 FPS
- GDrive: These formats are offered for Google Drive video previews. Note that the video player on GDrive displays incorrect codecs on rightclick -> stats
- Format 22: Available for most videos, except music and music videos (not limited to official music channels!)
| Code | Container | Video Codec | Video Res. | Audio Codec | Audio Bitrate | Still offered? |
|---|---|---|---|---|---|---|
| 91 | MPEG-TS (HLS) | H.264 (Baseline, L1.1) | 144p | AAC (HE v1) | 48 Kbps | Yes |
| 92 | MPEG-TS (HLS) | H.264 (Main, L2.1) | 240p | AAC (HE v1) | 48 Kbps | Yes |
| 93 | MPEG-TS (HLS) | H.264 (Main, L3.0) | 360p | AAC (LC) | 128 Kbps | Yes |
| 94 | MPEG-TS (HLS) | H.264 (Main, L3.1) | 480p | AAC (LC) | 128 Kbps | Yes |
| 95 | MPEG-TS (HLS) | H.264 (Main, L3.1) | 720p | AAC (LC) | 256 Kbps | Yes |
| 96 | MPEG-TS (HLS) | H.264 (High, L4.0) | 1080p | AAC (LC) | 256 Kbps | Yes |
| 300 | MPEG-TS (HLS) | H.264 (Main, L3.2) | HFR 720p | AAC (LC) | 128 Kbps | Yes |
| 301 | MPEG-TS (HLS) | H.264 (High, L4.2) | HFR 1080p | AAC (LC) | 128 Kbps | Yes |
- Non-HFR variants are limited to 30 FPS, HFR to 60 FPS
- Non-HFR variants for 720p and 1080p may not be offered if HFR is available
- Livestreams are also offered through DASH video (H.264, VP9) and DASH audio (AAC) streams
bestvideo[ext=webm]+251/bestvideo[ext=mp4]+(258/256/140)/bestvideo[ext=webm]+(250/249)/best
AAC Surround 384 / Opus 160 / AAC 192 / AAC Surround 192 / AAC 128 / Opus 70 / AAC 96 / Opus 50 / AAC 48
258/251/22/256/140/250/18/249/139
bestvideo+bestaudio/best
youtube-dl --download-archive youtube-dl.list --ignore-errors --write-info-json --add-metadata --write-sub --sub-lang en,de,ja --write-thumbnail --embed-subs -f "<format>" "<URL>"
youtube-dl --download-archive youtube-dl.list --ignore-errors --write-info-json --add-metadata --write-sub --sub-lang en,de,ja --write-thumbnail --embed-thumbnail --extract-audio -f "<format>" "<URL>"