/

Twitch — Stream Display - Mobile Lower Third (320x50)

Display banner · Video · Verified 2026-06

Live preview

320×50
shown at 100%

In context

On a web page

Full specification

Size (px)
Ratio320:50
Max weight50kB
FormatsJPG, PNG
Text limits Body copy min 12pt; claims/disclaimers min 9pt and no more than 20% of ad height

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.

Official doc All Twitch sizes Compare “Display banner” across platforms

Frequently asked questions

What size is the Twitch Stream Display - Mobile Lower Third (320x50)?
The Twitch Stream Display - Mobile Lower Third (320x50) is 320×50 px, aspect ratio 320:50.
What is the aspect ratio of the Twitch Stream Display - Mobile Lower Third (320x50)?
320:50. At the recommended resolution that is 320×50 px.
What is the maximum file size for the Twitch Stream Display - Mobile Lower Third (320x50)?
Up to 50kB, in JPG, PNG.
What file formats does Twitch accept for the Stream Display - Mobile Lower Third (320x50)?
JPG, PNG.
Why does Twitch crop my Stream Display - Mobile Lower Third (320x50)?
Twitch shows Stream Display - Mobile Lower Third (320x50) at 320:50. Upload exactly 320×50 px and keep key content in the safe area so nothing gets cut off.
Is 320×50 still correct for the Twitch Stream Display - Mobile Lower Third (320x50) in 2026?
Yes. Last verified 2026-06 against the official Twitch documentation.

Check your creative

Test a file against this exact spec before you upload it anywhere.

Nothing is uploaded or saved — the check runs entirely in your browser.

Same format on other platforms

Related searches

Geo Glossary Compare