Toollit — Developer & Everyday Utility Toolbox
A collection of free online tools for developers and everyday use
Holiday Calendar
Check South Korean public holidays and substitute holidays by year
Color Converter
Convert between HEX, RGB, HSL, OKLCh and other color formats
Palette Generator
Automatically generate harmonious color palettes
Tailwind Colors
View the complete Tailwind CSS color palette at a glance
UUID Generator
Generate and validate v1, v3, v4, v5, v7 UUIDs
Image Compress
Reduce image size with WebP, JPEG, PNG format conversion
Image Resize
Resize images while maintaining aspect ratio and converting formats
SVG → PNG
Convert SVG vectors to high-resolution PNG, supports 1x-4x scale