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268+ free online tools for PDF, images, SEO, developers, color, and productivity. Fast, browser-based, and private — no signup, no installs, no limits. Search above or browse by category below.
Total tools26810.8K total uses
Categories13Active categories
Most usedJSON Formatter4.1K uses
Recently addedExperiment RandomizerNewest tool
Image Compressor
Compress images in your browser by adjusting quality, output format, and max dimensions to reduce file size.
Used 0 times•Updated never
HEX to HSL
Convert HEX color codes to HSL and HSLA values with hue, saturation, lightness, and a live preview.
Used 0 times•Updated never
RGB to CMYK
Convert RGB screen colors to CMYK print values with cyan, magenta, yellow, and key (black) percentages.
Used 0 times•Updated never
CMYK to RGB
Convert CMYK print color values to on-screen RGB and HEX for web and digital design.
Used 0 times•Updated never
Color Contrast Checker
Check WCAG contrast ratios between text and background colors for accessibility compliance.
Used 0 times•Updated never
Color Blindness Simulator
Preview how colors and images appear under protanopia, deuteranopia, tritanopia, and other color vision deficiencies.
Used 0 times•Updated never
Brand Color Extractor
Upload a logo or brand image to extract dominant colors with HEX, RGB, and CSS variable exports.
Used 0 times•Updated never
Color Palette Extractor
Extract a color palette from any image with sortable swatches and copy-ready HEX, JSON, CSS gradient, and SVG exports.
Used 0 times•Updated never
Random Color Generator
Generate random HEX colors and palettes in random, pastel, vibrant, dark, light, or muted styles.
Used 0 times•Updated never
Tailwind Color Generator
Generate a full Tailwind CSS shade scale (50–950) from a base color with copy-ready v3 config and v4 @theme exports.
Used 0 times•Updated never
Color Mixer
Blend two or more HEX colors with adjustable weights using RGB or HSL mixing and copy the mixed result.
Used 0 times•Updated never
Box Shadow Generator
Design layered CSS box shadows with live preview and copy-ready CSS, inline styles, and Tailwind classes.
Used 0 times•Updated never