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Youtube Format IDs
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youtube_formats.md

Note: This is all almost full YouTube ID informations. Original owner goes to AgentOak, modified version by Martin Eesmaa.

See the credits and also special thanks in below.

Last updated: July 2024

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.

DASH video

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 702 402/571 272 138
2160p 701 401 337 315 (313) (305) (266)
1440p 700 400 336 308 (271) (304) (264)
1080p 699 399 335 303 248/616 299 137/216 170
720p 698 398 334 302/612 247 298 136 169
480p 697 397 333 244 135 168
360p 696 396 332 243 134 167
240p 695 395 331 242 133
144p 694 394 330 278/598 160/597
  • 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.
  • At format 616, it is the only YouTube premium video format.

Duplicate video IDs

Those duplicate video IDs of m3u8 as Apple Native HLS are connected to common numbers, not rare numbers.

270 (m3u8) == 137 (https) are same video quality, but different protocol.

Thanks, dtlnor for explanation of equalation video IDs.

602 mp4   256x144     12    │ ~  9.28MiB    87k m3u8  │ vp09.00.10.08    87k 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
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:

30 fps video

60 fps video

DASH audio

Code Container Audio Codec Audio Bitrate Channels Still offered?
139 MP4 AAC (HE v1) 48 Kbps Stereo (2) Yes, 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
774 WebM Opus (VBR) ~256 Kbps Stereo (2) Some, YT Music*
  • 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
  • Format 774 at YT Music: Some music have available high quality of Opus up to 256 kbps to Premium users, music link here

Legacy (non-DASH)

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
13 3GP MPEG-4 (Simple, L0) 144p AAC (LC) Unknown Mono (1) No
17 3GP MPEG-4 (Simple, L0) 144p AAC (LC) 24 Kbps Mono (1) No*, 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
38 MP4 H.264 3072p AAC 192 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
44 WebM VP8 480p Vorbis 128 Kbps Stereo (2) No
45 WebM VP8 720p Vorbis 192 Kbps Stereo (2) No
46 WebM VP8 1080p Vorbis 192 Kbps Stereo (2) No
78 MP4 H.264 480p AAC 128 Kbps Stereo (2) No
22 MP4 H.264 (High, L3.1) 720p AAC (LC) 128 Kbps Stereo (2) No*, 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!)
  • Starting since May 2024, the Format 17 and Format 22 is removed for every YouTube videos uploaded.

Livestreams (non-DASH)

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) 128 Kbps Yes
96 MPEG-TS (HLS) H.264 (High, L4.0) 1080p AAC (LC) 128 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
  • Both audio codecs of MPEG-TS are limited sample rate to 44.1 Khz for streaming a live broadcast.

Template youtube-dl formats

For archiving videos: Only choose combinations that fit WebM (VP9+Opus) or MP4 (H.264+AAC)

bestvideo[ext=webm]+251/bestvideo[ext=mp4]+(258/256/140)/bestvideo[ext=webm]+(250/249)/best

For archiving audio: Choose any format that's 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

For streaming videos: Allow any combination

bestvideo+bestaudio/best

yt-dlp usage example

Archive videos

yt-dlp --download-archive yt-dlp.list --ignore-errors --write-info-json --add-metadata --write-sub --sub-lang en,de,ja --write-thumbnail --embed-subs -f "<format>" "<URL>"

Archive audio

yt-dlp --download-archive yt-dlp.list --ignore-errors --write-info-json --add-metadata --write-sub --sub-lang en,de,ja --write-thumbnail --embed-thumbnail --extract-audio -f "<format>" "<URL>"

Complete archive video with audio, comments, subtitles, thumbnail and everything about YouTube ID:

yt-dlp --write-description --write-comments --write-link --write-auto-subs --embed-subs --embed-thumbnail --embed-chapters --sponsorblock-mark all https://www.youtube.com/watch?v=WhWc3b3KhnY

Credits and special thanks

AgentOak (original owner) made YouTube list formats of video and audio ID especially with tips.

MartinEesmaa (forked owner) updated YouTube list formats for up to date.

Special thanks for finding/fixing by:

qzmtch for finding missing 616 format

dtlnor for little interesting explanation of duplicate formats same

r8420 for finding missing 612 format

Ciancy28 for finding high quality of Opus 256 kbps (format 774) in YT Music

joaquinito2070 for renaming youtube-dl to yt-dlp and fixing incorrect bitrates. Some commits were on it.

@TyMaott
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TyMaott commented Jul 5, 2024

The resolutions aren't technically fix for each format.
The easiest way to check this is looking at the format_id '18' which is on of the most common (and i think maybe available for every video?)

here are examples with four (4) video IDs (namely: PwEKy4dFw6c , L_jfCrJG82U , 5I69DCxYbBg , rYv2a_VF328)
where the first one has a resolution of 360x360, annotated 360p
second one is 288x360, annotated 240p
third is 640x360, annotated 360p
and forth 640x266, annotated 360p

@MartinEesmaa
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Hello, @TyMaott! Thank you for the info! :)

Hm, that's weird about second one of 240p instead of format 18. If width is 640 which is like always uses 360p quality for any decrease of height size which is aspect ratio.

You said first one is 360x360, that is 1:1 aspect ratio which is square like used by Instagram.
Third is just normally like 16:9 aspect ratio used by most social medias.
Fourth is 2:40.1 aspect ratio used by some movies.

But second one is 240p, so that's why went into format 18 and also aspect ratio is 0.80:1 with portrait and no landscape.

Do you want me to add if portrait and width decreased for 240p to format 18, if necessary? Thanks! :)

  • Martin Eesmaa

@kr0hng
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kr0hng commented Jul 11, 2024

There is one music video I found as a YouTube Premium subscriber that is in 774 audio ID. I checked the same song on YT Music with audio quality on Always High but the audio ID was 141.

@MartinEesmaa
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MartinEesmaa commented Jul 11, 2024 •
edited
Loading

Hi, @kr0hng! Thanks for the link.

Unfortunately, I can't find about format 774 with music video, reported on yt-dlp latest:

[youtube] wufUX5P2Ds8: Downloading webpage
[youtube] wufUX5P2Ds8: Downloading ios player API JSON
[youtube] wufUX5P2Ds8: Downloading ios music player API JSON
[youtube] wufUX5P2Ds8: Downloading web music client config
[youtube] wufUX5P2Ds8: Downloading player 9ed4a7e1
[youtube] wufUX5P2Ds8: Downloading web music player API JSON
[youtube] wufUX5P2Ds8: Downloading m3u8 information
[youtube] wufUX5P2Ds8: Downloading m3u8 information
[info] Available formats for wufUX5P2Ds8:
ID  EXT   RESOLUTION FPS CH │   FILESIZE    TBR PROTO │ VCODEC           VBR ACODEC      ABR ASR MORE INFO
──────────────────────────────────────────────────────────────────────────────────────────────────────────────────
sb3 mhtml 48x27        1    │                   mhtml │ images                                   storyboard
sb2 mhtml 80x45        1    │                   mhtml │ images                                   storyboard
sb1 mhtml 160x90       1    │                   mhtml │ images                                   storyboard
sb0 mhtml 320x180      1    │                   mhtml │ images                                   storyboard
233 mp4   audio only        │                   m3u8  │ audio only           unknown             Default
234 mp4   audio only        │                   m3u8  │ audio only           unknown             Default
139 m4a   audio only      2 │    1.03MiB    49k https │ audio only           mp4a.40.5   49k 22k low, m4a_dash
249 webm  audio only      2 │    1.13MiB    54k https │ audio only           opus        54k 48k low, webm_dash
250 webm  audio only      2 │    1.48MiB    70k https │ audio only           opus        70k 48k low, webm_dash
140 m4a   audio only      2 │    2.74MiB   130k https │ audio only           mp4a.40.2  130k 44k medium, m4a_dash
251 webm  audio only      2 │    2.88MiB   136k https │ audio only           opus       136k 48k medium, webm_dash
602 mp4   256x144     12    │ ~  1.84MiB    87k m3u8  │ vp09.00.10.08    87k video only
269 mp4   256x144     24    │ ~  3.56MiB   169k m3u8  │ avc1.4D400C     169k video only
160 mp4   256x144     24    │    2.19MiB   104k https │ avc1.4D400C     104k video only          144p, mp4_dash
603 mp4   256x144     24    │ ~  3.56MiB   169k m3u8  │ vp09.00.11.08   169k video only
278 webm  256x144     24    │    1.68MiB    80k https │ vp9              80k video only          144p, webm_dash
229 mp4   426x240     24    │ ~  6.55MiB   311k m3u8  │ avc1.4D4015     311k video only
133 mp4   426x240     24    │    4.77MiB   226k https │ avc1.4D4015     226k video only          240p, mp4_dash
604 mp4   426x240     24    │ ~  6.70MiB   318k m3u8  │ vp09.00.20.08   318k video only
242 webm  426x240     24    │    3.52MiB   167k https │ vp9             167k video only          240p, webm_dash
230 mp4   640x360     24    │ ~ 16.91MiB   801k m3u8  │ avc1.4D401E     801k video only
134 mp4   640x360     24    │    9.66MiB   457k https │ avc1.4D401E     457k video only          360p, mp4_dash
18  mp4   640x360     24  2 │   15.21MiB   720k https │ avc1.42001E          mp4a.40.2       44k 360p
605 mp4   640x360     24    │ ~ 15.37MiB   728k m3u8  │ vp09.00.21.08   728k video only
243 webm  640x360     24    │    7.94MiB   376k https │ vp9             376k video only          360p, webm_dash
231 mp4   854x480     24    │ ~ 28.36MiB  1344k m3u8  │ avc1.4D401E    1344k video only
135 mp4   854x480     24    │   14.68MiB   695k https │ avc1.4D401E     695k video only          480p, mp4_dash
606 mp4   854x480     24    │ ~ 25.37MiB  1202k m3u8  │ vp09.00.30.08  1202k video only
244 webm  854x480     24    │   12.04MiB   570k https │ vp9             570k video only          480p, webm_dash
232 mp4   1280x720    24    │ ~ 39.22MiB  1859k m3u8  │ avc1.4D401F    1859k video only
136 mp4   1280x720    24    │   22.22MiB  1052k https │ avc1.4D401F    1052k video only          720p, mp4_dash
609 mp4   1280x720    24    │ ~ 44.42MiB  2105k m3u8  │ vp09.00.31.08  2105k video only
247 webm  1280x720    24    │   23.37MiB  1107k https │ vp9            1107k video only          720p, webm_dash
270 mp4   1920x1080   24    │ ~ 98.92MiB  4688k m3u8  │ avc1.640028    4688k video only
137 mp4   1920x1080   24    │   72.90MiB  3452k https │ avc1.640028    3452k video only          1080p, mp4_dash
614 mp4   1920x1080   24    │ ~ 71.35MiB  3381k m3u8  │ vp09.00.40.08  3381k video only
248 webm  1920x1080   24    │   39.19MiB  1856k https │ vp9            1856k video only          1080p, webm_dash
620 mp4   2560x1440   24    │ ~201.74MiB  9561k m3u8  │ vp09.00.50.08  9561k video only
271 webm  2560x1440   24    │  164.11MiB  7772k https │ vp9            7772k video only          1440p, webm_dash
625 mp4   3840x2160   24    │ ~404.71MiB 19181k m3u8  │ vp09.00.50.08 19181k video only
313 webm  3840x2160   24    │  372.41MiB 17636k https │ vp9           17636k video only          2160p, webm_dash

Is there any thing to find about format 774 by screenshot, cookies file from browser or to inspect webpage by looking network if you're YouTube Premium subscriber?
Thanks! :)

  • Martin Eesmaa

@kr0hng
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kr0hng commented Jul 20, 2024 via email

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