Twitch Specifications

Stream Preview / Thumbnail

Dimensions	1280 × 720 px
Aspect Ratio	16:9
Max File Size	10 MB
File Formats	JPG, PNG
Notes	Auto-generated live thumbnail comes from the stream itself; custom thumbnails uploaded for VODs use this spec

Offline Banner

Dimensions	1920 × 1080 px
Aspect Ratio	16:9
Max File Size	10 MB
File Formats	JPG, PNG
Notes	Shown in place of the stream when channel is offline

Panel Image

Dimensions	320 × 160 px
Max File Size	2.9 MB
File Formats	JPG, PNG, GIF
Notes	Panels appear below the stream; animated GIFs supported for Partners/Affiliates

Emote

Dimensions	112 × 112 px (recommended)
File Formats	PNG, GIF
Notes	Static PNG or animated GIF (Affiliates/Partners), max 1 MB (512 KB per file in manual mode), max 60 frames; auto-resize mode takes one square image from 112×112 to 4096×4096 px, manual mode needs 112×112, 56×56 and 28×28 px; transparent background required

Live Stream (Standard)

Aspect Ratio	16:9
Resolution	1920 × 1080 px (1080p60)
Max Duration	Up to 48 hours per broadcast
Notes	Recommended 6000 kbps video (1080p60, CBR, 2-second keyframes), H.264; audio AAC-LC, max 160 kbps (96 kbps recommended)

Live Stream (2K — Partners & Affiliates)

Aspect Ratio	16:9
Resolution	2560 × 1440 px (1440p)
Max Duration	Up to 48 hours per broadcast
Notes	Available via Enhanced Broadcasting on eligible GPUs (launched June 2026); up to 9000 kbps HEVC; server-side transcode supported for Partners and select Affiliates; the 1080p AVC rendition on 2K streams goes up to 7.5 Mbps

Dual Format Streaming

Notes	Send horizontal (16:9) and vertical (9:16) feeds simultaneously; VODs and Clips auto-saved in both formats. Available to all streamers (launched June 2026). 2K-quality and vertical versions of a VOD expire after 7 days, then the 1080p horizontal version remains for the rest of the retention period; Clips keep 2K/vertical and do not expire

VOD / Past Broadcast

Resolution	Up to 2560 × 1440 px (Partners/Affiliates with Enhanced Broadcasting)
Notes	Stored automatically for 7 days (standard accounts), 14 days (Affiliates), 60 days (Partners, Prime, and Turbo). 2K-quality and vertical versions of a VOD expire after 7 days, then the 1080p horizontal version remains for the rest of the retention period; Clips keep 2K/vertical and do not expire

Clip

Resolution	Up to 2560 × 1440 px (for 2K streams)
Max Duration	5 – 60 seconds
Notes	Created from live stream or VOD; shared as a short highlight

Stream Title

Character Limit	140 characters

Channel Description / Bio

Character Limit	300 characters

Panel Text

Character Limit	~300–500 (unofficial; no published hard cap found) characters per panel

Username

Character Limit	25 characters
Notes	Letters, numbers, and underscores only

Chat Message

Character Limit	500 characters

Profile Photo

Dimensions	800 × 800 px recommended
Max File Size	10 MB
File Formats	JPG, PNG, GIF
Notes	Displayed as a circle; minimum accepted upload 256×256; upload at 800×800 for best quality

Channel Banner

Dimensions	1200 × 480 px
Max File Size	10 MB
File Formats	JPG, PNG

Offline Banner

Dimensions	1920 × 1080 px
Max File Size	10 MB
File Formats	JPG, PNG

Subscription Badge

Dimensions	Upload all three sizes together: 18×18, 36×36, 72×72 px
Max File Size	~25 KB per image
File Formats	PNG
Notes	Transparent background required; shown next to username in chat

Channel Points Icon

Dimensions	Upload all three sizes together: 28×28, 56×56, 112×112 px
Max File Size	~25 KB per image
File Formats	PNG
Notes	Transparent background; displayed in Channel Points redemption panel

Bit Badge

Dimensions	Upload all three sizes together: 18×18, 36×36, 72×72 px
Max File Size	~25–40 KB per image
File Formats	PNG
Notes	Available to Twitch Partners and Affiliates