Conversion Tools
14 tools
Unit converters, number system converters, and data transformation utilities
Number Base Converter — Binary, Hex, Decimal & Octal
conversion
Convert between binary, hex, decimal, octal and any base (2-36) instantly. Free, private — all processing in your browser.
Color Converter — HEX, RGB, HSL & OKLCH
conversion
Convert HEX to RGB, HSL, OKLCH, OKLAB and CMYK in your browser — copy any format with one click. Free, no signup, your colors never leave the page.
Hex to CMYK Converter
conversion
Convert HEX colors to CMYK in your browser. Naive sRGB-based approximation for print previews. Free, no signup, your colors stay local.
Hex to HSL Converter
conversion
Convert any hex color to HSL in your browser — 3-digit, 6-digit, 8-digit alpha all supported. Free, instant, no signup, your colors never leave the page.
Hex to OKLCH Converter
conversion
Convert HEX to OKLCH for Tailwind v4 design tokens. Live perceptually-uniform output with Display P3 gamut warnings. Free, browser-only.
Hex to RGB Converter
conversion
Convert any hex color code to RGB in your browser — 3-digit, 6-digit, and 8-digit alpha hex all supported. Free, instant, no signup, your colors never leave the page.
Compress Images Online — JPEG, PNG & WebP
conversion
Compress JPEG, PNG, WebP & AVIF up to 80% smaller — in your browser, no upload. Batch 20 images, resize, compare before & after, download as ZIP. Free & private.
Length Unit Converter — Metric, Imperial & More
conversion
Convert between 16 length units instantly — metric, imperial, nautical & astronomical. 1 inch = 2.54 cm. Free, private, runs in your browser.
PX to REM Converter — Convert Pixels to Rem
conversion
Convert px to rem instantly. 16px = 1rem at the default base, plus any custom root font-size. Free, live two-way conversion that runs 100% in your browser.
REM to PX Converter — Convert Rem to Pixels
conversion
Convert rem to px instantly. 1rem = 16px at the default base, plus any custom root font-size. Free, live two-way conversion that runs 100% in your browser.
RGB to Hex Converter
conversion
Convert RGB to hex in your browser — integers, percentages, and rgba alpha all supported. Free, instant, no signup, your colors never leave the page.
Temperature Converter — Celsius, Fahrenheit, Kelvin, Rankine
conversion
Convert Celsius, Fahrenheit, Kelvin and Rankine instantly. Free online browser-based tool with conversion formulas, step-by-step guides and reference charts.
Volume & Liquid Measurement Converter — 15 Units
conversion
Convert volume & liquid capacity between 15 units — metric, US customary, imperial & cooking. Free online converter, 100% private, runs in your browser.
Weight Converter — kg, lbs, oz, g, Stone & 13 Units Total
conversion
Convert weight between 13 units instantly — metric, imperial & troy. Conversion tables, formulas & references. Free, runs in your browser.