Free online utilities

yutils

Developer and everyday tools that run entirely in your browser. Your data never leaves your device.

Smart Paste

Categories

Media

6

Color ConverterMedia
Convert colors between HEX, RGB, and HSL with a live preview swatch. Auto-detects any of the three input formats.
Image to Base64 (Data URI)Media
Convert an image file to a Base64 data URI for inline embedding in HTML/CSS/Markdown. Up to 5 MB.
QR Code GeneratorMedia
Generate a QR code from any text or URL. Adjustable error correction (L/M/Q/H), SVG output, downloadable.
Color Contrast CheckerMedia
Check the WCAG contrast ratio between two colors. Pass/fail for AA Normal/Large + AAA Normal/Large with a live sample.
Color Palette GeneratorMedia
Generate a palette from a single base color — shades, tints, complement, analogous, triad, tetrad. HSL-based. 0 dependency.
CSS Gradient GeneratorMedia
Build linear, radial, and conic CSS gradients with color stops + angle/position. Live preview + copy-ready CSS.