AI image generators are perfect for custom wallpapers: you choose the theme, colors and mood, and get something no one else has.
Get the shape right
- Phone: 9:16 (or 9:19.5 for taller phones)
- Desktop: 16:9, or 21:9 for ultrawide
- Tablet: 4:3
Leave room for icons and clocks
Ask for a composition with the main subject in the lower or middle third and calm space at the top for the clock, or a simple pattern that works behind app icons.
Prompt ideas
- "A minimal gradient wallpaper in deep blue and violet with soft glowing waves, 9:16."
- "A cozy lo-fi anime bedroom at night with rain outside, 16:9."
- "Abstract liquid marble in emerald and gold, phone wallpaper."
- "A misty pine forest at dawn, calm and dark for a dark-mode desktop."
Sharpness
Upscale your image so it matches or exceeds your screen resolution, especially for large monitors.
Dark mode friendly
Darker wallpapers save battery on OLED phones and make icons easier to read.
Try our Art & Illustration prompts.