All Twitch sizes

Placement	Size (px)	Ratio	Max weight	Formats	Video	Text limits	Confidence
1. Premium Video (Pre-roll / Mid-roll) Video		16:9	—	—	MP4 60s	—	High confidence — confirmed in the official documentation
Notes & best practice Non-skippable, 100% above-the-fold in-stream video across desktop, mobile, tablet, console, and streaming TV. First-party delivery is 1920x1080. Third-party VAST delivery requires mandatory transcodes from 1920x1080 down to 640x360, and recommends transcodes down to 284x160. Use H.264 codec in MP4 format. Bitrate must be 4,000 to 10,000 kbps, 24 to 30 fps, with audio at -9dB. All assets must use SSL or HTTPS. Full specification Size (px) Ratio 16:9 Max weight Not specified Formats · Video MP4 (H.264) Max duration 60s (6s, 15s, 20s, 30s, 60s) Max video Not published for first-party; 3rd-party served via VAST High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
2. First Impression Takeover Video		16:9	—	—	MP4 30s	—	High confidence — confirmed in the official documentation
Notes & best practice High-impact unit served on a viewer's first broadcast of the day. Video must be 1920x1080 minimum, H.264 MP4, up to 30 seconds unskippable. Bitrate must be 4,000 to 10,000 kbps, 24 to 30 fps, with audio at -9dB. Third-party VAST delivery requires mandatory transcodes from 1920x1080 down to 284x160. Full specification Size (px) Ratio 16:9 Max weight Not specified Formats · Video MP4 (H.264) Max duration 30s (unskippable) Max video Not specified High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
3. Vertical Video Ad Vertical / Portrait		9:16	500 MB site-served only	—	MP4MPGTS 30s	—	High confidence — confirmed in the official documentation
Notes & best practice Renders beside the livestream on desktop (muted) and as a skippable, full-screen in-feed ad with sound on mobile. First-party resolution is 1080x1920, and third-party is 360x640. Supported codecs are H.264, MPEG-2, or MPEG-4 in MP4, TS, or MPG containers. Minimum bitrate is 4 Mbps for site-served and 2 Mbps for third-party, with 8 Mbps recommended. Frame rate must be constant at 23.976, 24, 25, or 29.97 fps. Audio must be AAC, at least 192 kbps (128 kbps for third-party), 44.1 or 48 kHz, minimum 2 channels, at -9dB. Keep key content and text inside the safe zone — the platform UI overlaps the top and bottom of full-screen 9:16 creatives. Full specification Size (px) Ratio 9:16 Max weight 500MB Formats · Video MP4, MPG, TS (H.264/MPEG-2/MPEG-4) Max duration 30s (6s, 15s, 20s, 30s) Max video 500MB (site-served only) High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
4. Mid-Feed Ad (Mobile) Vertical / Portrait		9:16	250kB	JPGPNG	—		High confidence — confirmed in the official documentation
Notes & best practice Mobile-optimized static fullscreen image rendered within the app feed. The only clickable element is an auto-generated, non-customizable 'Learn More' CTA. Static image only, video is not supported. Dimensions must be 1080x1920, with a maximum file size of 250 kB in JPG or PNG format. Keep key content and text inside the safe zone — the platform UI overlaps the top and bottom of full-screen 9:16 creatives. Full specification Size (px) Ratio 9:16 Max weight 250kB Formats JPG, PNG Text limits Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height; ad disclosure + CTA button combined 12% of ad height High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
5. Medium Rectangle (300x250) Square		1.2:1	50kB	JPGPNG	—		High confidence — confirmed in the official documentation
Notes & best practice IAB standard medium rectangle embedded in search and browse pages. Supported formats are JPG and PNG only. The unit can display animated content built from JPG or PNG assets, but does not support video and is not expandable. Maximum file size is 50 kB. Full specification Size (px) Ratio 1.2:1 Max weight 50kB Formats JPG, PNG Text limits Body copy min 12pt Arial; claims/disclaimers min 9pt and no more than 20% of ad height High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
6. Super Leaderboard (728x90) Display banner		8.09:1	50kB	JPGPNG	—		High confidence — confirmed in the official documentation
Notes & best practice IAB standard leaderboard unit shown during content search and browse. Dimensions are 728x90 with a maximum file size of 50 kB. Supported formats are JPG and PNG only. Animated content is supported, but video is not. The unit is not expandable. Full specification Size (px) Ratio 728:90 Max weight 50kB Formats JPG, PNG Text limits Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
7. Stream Display - Skyscraper (160x600) Display banner		4:15	50kB	JPGPNG	—		High confidence — confirmed in the official documentation
Notes & best practice Desktop in-stream display rendered between the livestream and chat. Dimensions are 160x600, with a maximum file size of 50 kB in JPG or PNG format. This unit also serves as the basis for Mirror-C, which scales the 160x600 asset to a 300x1050 display. Mirror-C is available only through ADSP Managed Services. Full specification Size (px) Ratio 160:600 Max weight 50kB Formats JPG, PNG Text limits Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
8. Stream Display - Lower Third (728x90) Display banner		8.09:1	50kB	JPGPNG	—		High confidence — confirmed in the official documentation
Notes & best practice Desktop in-stream lower-third display banner placed beneath the livestream player. Part of the Stream Display Ads family. Supported formats are JPG and PNG with a maximum file size of 50 kB. Full specification Size (px) Ratio 728:90 Max weight 50kB Formats JPG, PNG Text limits Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
9. Stream Display - Mobile Lower Third (320x50) Display banner		32:5	50kB	JPGPNG	—		High confidence — confirmed in the official documentation
Notes & best practice Mobile in-stream lower-third display banner shown in portrait orientation beneath the player. Part of the Stream Display Ads family. Supported formats are JPG and PNG with a maximum file size of 50 kB. Full specification Size (px) Ratio 320:50 Max weight 50kB Formats JPG, PNG Text limits Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
10. Stream Display - Mobile Left Third (160x600) Display banner		4:15	50kB	JPGPNG	—		High confidence — confirmed in the official documentation
Notes & best practice Mobile in-stream left-third display banner shown beside the player in landscape orientation. Part of the Stream Display Ads family. Dimensions are 160x600. Supported formats are JPG and PNG with a maximum file size of 50 kB. Full specification Size (px) Ratio 160:600 Max weight 50kB Formats JPG, PNG Text limits Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
11. Headliner - Desktop Side Graphics (450x350) Other		9:7	150 KB per graphic	JPGPNG	—		High confidence — confirmed in the official documentation
Notes & best practice Premium above-the-fold unit on the desktop homepage. Requires left and right graphics at 450x350 pixels each, with a maximum file weight of 150kB per graphic. No transparency or animation allowed. Requires a center hex color code (e.g., #000000). SSL/HTTPS is required. Full specification Size (px) Ratio 450:350 Max weight 150kB per graphic Formats JPG, PNG Text limits Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height; all elements within safe zone per template High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
12. Headliner - Mobile Full Screen Feed (1080x1920) Vertical / Portrait		9:16	350kB	JPGPNG	—		High confidence — confirmed in the official documentation
Notes & best practice Mobile app full-screen feed unit. No animation allowed. Dimensions are 1080x1920 pixels with a maximum file weight of 350kB. Includes an auto-generated, non-customizable "Learn More" CTA. No other CTA buttons are permitted. Core elements must stay within the template safe zone. Keep key content and text inside the safe zone — the platform UI overlaps the top and bottom of full-screen 9:16 creatives. Full specification Size (px) Ratio 9:16 Max weight 350kB Formats JPG, PNG Text limits Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
13. Headliner - Mobile Banner / Following Tab (640x100) Display banner		32:5	350kB	JPGPNG	—		High confidence — confirmed in the official documentation
Notes & best practice Mobile banner on the Following tab. Requires a 640x100 pixel asset (maximum 350kB) which renders at 2x in a 320x50 placement. No animation allowed. SSL/HTTPS is required. Full specification Size (px) Ratio 640:100 Max weight 350kB Formats JPG, PNG Text limits Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
14. Streamables - Brand Logo + Splash Text Other	Document / file	—	—	PNG	—	1	High confidence — confirmed in the official documentation
Notes & best practice Streamables is an opt-in ad in Twitch-partnered mobile games: the viewer chooses to watch 30 seconds of a non-skippable livestream full screen. You supply a transparent PNG brand logo at least 250 px wide that stays visible on a dark background, plus splash screen text of up to 70 characters. Twitch gives no logo height or file size, so width and height are set to 0. This format has no fixed pixel size — the specs below are what matter. Full specification Format Document / file Max weight Not specified Formats PNG Text limits Message70charsmax High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)
15. Channel Takeover - Brand Logo (115x115) Square		1:1	—	JPGPNG	—	1	High confidence — confirmed in the official documentation
Notes & best practice Brand logo for Channel Takeover, a Twitch creator sponsorship with channel skins, streamer-read ads, follower promotions and sponsored subscriptions. Upload 115x115 px PNG or JPG with no animation and no transparent background; it appears in the ribbon, above chat and in mobile overlays, and is cropped to a circle in some placements, so keep the mark centered. CTA text is up to 40 characters, sits next to a 'Learn More' button and can't be changed during the campaign. You also give one primary brand HEX color, not pure white or pure black. Full specification Size (px) Ratio 1:1 Max weight Not specified Formats JPG, PNG Text limits CTA40charsmax High confidence — confirmed in the official documentation Source: advertising.amazon.com (opens in a new tab)

High confidence — confirmed in the official documentation Medium confidence — verified against reputable sources Lower confidence — changes frequently, verify before launch shortened, full wording in the row details

Minimum creative kit

Layouts: 8 · placements covered: 13 of 15

Layout	Max weight	Formats	Covers
9:16Image	250kB	JPGPNG	Mid-Feed Ad (Mobile)Headliner - Mobile Full Screen Feed (1080x1920)
8.09:1Image	50kB	JPGPNG	Super Leaderboard (728x90)Stream Display - Lower Third (728x90)
4:15Image	50kB	JPGPNG	Stream Display - Skyscraper (160x600)Stream Display - Mobile Left Third (160x600)
32:5Image	50kBfor 320×50 px	JPGPNG	Stream Display - Mobile Lower Third (320x50)Headliner - Mobile Banner / Following Tab (640x100)
16:9Video	—	MP4	Premium Video (Pre-roll / Mid-roll)First Impression Takeover
1.2:1Image	50kB	JPGPNG	Medium Rectangle (300x250)
9:7Image	150 KB per graphic	JPGPNG	Headliner - Desktop Side Graphics (450x350)
9:16Video	500 MB site-served only	MP4MPG	Vertical Video Ad

Not in the kit (avatars and formats without a pixel size): Streamables - Brand Logo + Splash Text, Channel Takeover - Brand Logo (115x115)

Text limits

Placements with limits: 2 of 15 · characters unless noted

Placement	Message	CTA
Mid-Feed Ad (Mobile)	Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height; ad disclosure + CTA button combined 12% of ad height
Medium Rectangle (300x250)	Body copy min 12pt Arial; claims/disclaimers min 9pt and no more than 20% of ad height
Super Leaderboard (728x90)	Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height
Stream Display - Skyscraper (160x600)	Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height
Stream Display - Lower Third (728x90)	Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height
Stream Display - Mobile Lower Third (320x50)	Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height
Stream Display - Mobile Left Third (160x600)	Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height
Headliner - Desktop Side Graphics (450x350)	Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height; all elements within safe zone per template
Headliner - Mobile Full Screen Feed (1080x1920)	Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height
Headliner - Mobile Banner / Following Tab (640x100)	Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height
Streamables - Brand Logo + Splash Text	70max	—
Channel Takeover - Brand Logo (115x115)	—	40max

Video specs

Placements: 3 of 15

Placement	Size (px)	Formats	Max duration	Max video
Premium Video (Pre-roll / Mid-roll)	1920×1080	MP4 (H.264)	60s (6s, 15s, 20s, 30s, 60s)	Not published for first-party; 3rd-party served via VAST
First Impression Takeover	1920×1080	MP4 (H.264)	30s (unskippable)	Not specified
Vertical Video Ad	1080×1920	MP4, MPG, TS (H.264/MPEG-2/MPEG-4)	30s (6s, 15s, 20s, 30s)	500MB (site-served only)