CoolBg
The free background toolkit
Create stunning backgrounds, polish screenshots, and draw pixel art. All free, all in your browser, no signup required.
Three tools, one workspace
Everything you need to create professional visuals for your projects, presentations, and social media.
Background Generator
Create beautiful mesh gradients, wave patterns, geometric triangles, and more. Choose from 14 color themes or build your own.
Screenshot Editor
Transform plain screenshots into polished visuals. Add backgrounds, device mockups, shadows, and rounded corners.
Pixel Art Studio
Draw pixel art backgrounds from scratch or convert any image into pixel art. Full drawing toolkit included.
Built for speed and simplicity
No bloated editors. No learning curve. Just the features you actually need.
Instant & Free
No signups, no watermarks, no limits. Just open and create.
Export Anything
Download in PNG, JPG, or WebP. Presets for OG images, social media, and 4K.
14 Color Themes
From Monochrome to Cyberpunk to Aurora. Every palette hand-tuned for impact.
Textures & Noise
Layer dot grids, noise, and line textures for that extra depth and character.
Community Gallery
Share your creations and explore backgrounds made by others around the world.
One-Click Shuffle
Feeling stuck? Hit shuffle for a random combination of colors and patterns.
Made for makers
Whether you're shipping a side project or polishing a presentation, CoolBg has you covered.
Ready to create something cool?
Jump in — it's free, fast, and works right in your browser.
Open CoolBg