Free
QR Code Generator
QR codes for links, text, Wi-Fi, email, phone, SMS and contact cards, in your colours, as PNG or SVG.
UtilitiesUse tool
70 of them, 69 free to use with no account. Everything runs in your browser, with nothing to install.
11 tools shown
QR codes, passwords, IDs, timestamps and units.
QR codes for links, text, Wi-Fi, email, phone, SMS and contact cards, in your colours, as PNG or SVG.
Scan a QR code with your camera or from a screenshot, and see what it contains before opening anything.
Strong random passwords with the length and characters you choose, made by your browser's secure generator.
Random version 4 or time-ordered version 7 UUIDs, one or a thousand at a time, and a checker for any UUID.
Format, sort and minify JSON, and see exactly which line a mistake is on.
Fair random numbers in any range, with or without repeats, or pick winners at random from a list of names.
Text to Base64 and back, in any language, with the URL-safe alphabet when you need it.
Unix timestamps to readable dates in any time zone, and dates back to timestamps, seconds to nanoseconds.
Length, area, weight, volume, temperature, speed, data and time, plus regional land and gold units.
Percent-encode a link or one value, decode one back, and read what a long link carries.
SHA-256, SHA-1, SHA-384 and SHA-512 of any text, worked out in your browser.