AI Banner Generator: Website, YouTube & Discord Banners
Create 16:9 website hero headers, YouTube channel art, and Discord banners with our AI Banner Generator in 2K (16 credits) or 4K (18 credits). Stop losing character faces and headlines to mobile viewport cropping on 2560×1440 YouTube canvases or spending hours tweaking cookie-cutter Canva templates. Synthesize center-weighted channel headers, asymmetric 40/60 website hero layouts, and custom Discord or Twitch banners from text prompts or uploaded reference images.
Reference image (optional · H3 Image 4K / GPT Image 2 2K)
JPEG, PNG or WebP · up to 30 MB · 300–6000 px per side · ratio 2:5–5:2.
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Generate 16:9 Website Hero Banners, YouTube Channel Art & Discord Headers
Choose H3 Image (4K Text-to-Image & reference editing, 12 credits), GPT Image 2 (2K Text-to-Image & Image-to-Image reference restyling, 16 credits), or Nano Banana 2 (4K Text-to-Image, 18 credits) to synthesize widescreen digital headers.
What Is an AI Banner Generator?
An AI banner generator is a specialized widescreen graphic synthesis tool that creates custom 16:9 website hero headers, YouTube 2560×1440 channel art, Discord server banners, and Twitch profile headers from text prompts or uploaded reference images. Powered by GPT Image 2 (16 credits) and Nano Banana 2 (18 credits), it anchors titles and subjects inside cross-device safe zones.
Prevent YouTube 2560×1440, Discord & Twitch Viewport Cropping
Standard 16:9 artwork often gets ruined on upload when YouTube crops a 2560×1440 TV canvas down to a narrow 1546×423 mobile strip, or when Discord and Twitch overlay server titles and offline profile cards across the corners. Our safe-zone prompt architecture clusters characters, logos, and quoted titles inside the central 60% horizontal band while filling outer margins with ambient scenery.
- Keep faces and headlines inside the center 1546×423 YouTube mobile and desktop safe zone.
- Reserve upper-left dark clearance for Discord server boost invite titles and member badges.
- Fill outer 20% top, bottom, and side margins with atmospheric lighting that crops cleanly on TV.
Asymmetric Negative Space & Crisp Double-Quoted Display Typography
Generic image generators pack busy visual clutter edge-to-edge, making website headlines and CTA buttons unreadable, or produce misspelled multi-line 'AI slop' text. By pairing asymmetric 40/60 split-zone composition directives with concise 2-to-5-word headlines wrapped in double quotation marks, you get high-contrast commercial hero banners ready for Shopify launches and software landing pages.
- Dedicate 40% of the widescreen frame to low-noise gradient negative space for H1 copy and CTAs.
- Wrap 2 to 5 headline words in double quotes (e.g., "SUMMER LAUNCH") for clean display lettering.
- Generate pure background hero graphics when your frontend overlays live HTML/CSS text.
Turn Product Photos, Mascots & Character Art into 16:9 Headers
Founders, VTubers, and gaming guild leaders rarely want random stock characters on their channel art. Upload your own product shot, brand emblem, or flat-colored OC portrait (PNG, JPG, or WebP up to 30 MB) in H3 Image (4K, 12 credits) or GPT Image 2 (2K, 16 credits) mode to expand your subject into a cohesive 16:9 widescreen environment with studio lighting.
- Attach optional PNG, JPG, or WebP reference images up to 30 MB with H3 Image (4K, 12 credits) or GPT Image 2 (2K, 16 credits).
- Preserve character attire, mascot proportions, or product silhouettes while building 16:9 scenery.
- Use 2K and 4K static renders directly or as high-resolution keyframe bases for external animation tools.
