Colors & design
Build palettes and gradients, check color contrast and preview CSS styles. Calculate aspect ratios and copy the values you need for a design.
Find your next shortcut
A thoughtfully organised collection. Ready when you are.
Colors & design10
10 tools ready to use
Compare RGB colors
Measure the numerical distance between two RGB colors, without an accessibility rating.
Colors & designBox shadow designer
Preview a CSS box shadow with adjustable offsets, blur, spread and color.
Colors & designFluid type size builder
Create a CSS clamp() font size that scales between two viewport widths.
Colors & designCorner radius designer
Preview four independent corner radii and copy the CSS border-radius rule.
Colors & designOn your device. Under your control.
Every calculation, conversion and image edit happens in your browser. Your files and text never leave this device.
Made for everyday work
- Free to use, with no account required.
- Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.
- Use a current browser with JavaScript enabled. Available formats and speed depend on your browser, device and input size.
Questions & answers
Are the tools free and do I need an account?
All listed tools are free to use without an account. Open a tool, try its example, then enter your own values or select a local file.
Where do my files and entered data go?
Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.
Do I need to install an application?
No application installation is required. Use a current browser with JavaScript enabled. Some media, PDF and background-removal tools download processing engines when first opened; processing speed depends on your device.