Twitch Channel Banner - Check & Resize Your Image
Check your Twitch profile banner image locally, compare measured fields with the dated source, then crop or pad to the recommended canvas and recheck the output.
The original stays on your device. EXIF orientation may be applied by the browser; output is a new PNG.
Recommended export: 1200 × 480 px. This is a recommendation, not an invented minimum.
Source, scope and uncertainty
Official Twitch channel banner source · checked 2026-09-13 · channel profile; responsive horizontal stretch.
1200 × 480 is recommended. Twitch may stretch the banner across screen widths. No universal byte or format cap was established in this source.
PASS/FAIL applies to the stated measurable fields. ADVISORY describes a recommendation. UNKNOWN remains unknown; a local pass cannot promise upload acceptance.