Random Tools

Calculate the closest sane aspect ratio for a given width and height.

Convert time to decimal. Useful for converting hours worked to invoiceable time.

Convert pixel (px) values to rem units based on the browser's default font size.

Convert font sizes between px, rem, em, %, pt, picas, inches and the Adobe XD unit, with adjustable base size and PPI. Shows how Adobe XD's unit-less sizing maps to CSS px and rem.

Generate a modular typographic scale (golden ratio, perfect fourth and more) with px, rem and fluid clamp() output.

Build UTM tagged URLs for tracking campaigns in Google Analytics.

Generate QR codes with UTM campaign tags, custom colours, dot styles and error correction. Download as PNG, SVG, JPEG or WebP, or turn an image into an artistic QR code that still scans.

Find out your public IP address instantly. No hassle, just your IP.

Encode or decode text to/from Base64. Updates in real-time.

Simple Lorem Ipsum generator. Generate as much text as you need.

Generate white, pink, or brown noise to help you focus or relax.

Calculate the ingredients needed to make pizza dough based on various criteria.

Calculate your perfect pinsa dough recipe with custom hydration, yeast type, and fermentation settings.

Calculate the ingredients needed to make naan breads.

Convert Unix timestamps to human-readable dates and vice versa.

Validate and format JSON data. Updates in real-time.

Quickly capitalize titles according to general rules of most accepted standards.

Translate text to Morse code and vice versa.

Convert colors between HEX, RGB, HSL, HWB, LAB, LCH, OKLAB, OKLCH and wide-gamut Display P3 / Rec. 2020.

Generate random number lines for UK Lotto, EuroMillions, Thunderball and Set For Life. Optional 'avoid common combinations' mode picks less-shared numbers to cut the chance of splitting a jackpot - same odds of winning, better odds of not sharing.

Find crossword and arrowword answers by pattern. Enter the letters you know and ? for each blank square to list every matching word. Runs entirely in your browser using a 172,000-word British and American dictionary.

Plan multiple dishes so they all finish at once. Enter how long each one takes and either start now or set a target time, and the timer tells you when to start each dish. Keeps the screen awake and beeps when it's time.