JSON Formatter
Pretty-print, minify, and validate JSON with the exact error position.
Open →Base64 Encode / Decode
Text and files to Base64 and back, with URL-safe output.
Open →URL Encode / Decode
Percent-encode strings or decode them, component or full URL.
Open →Regex Tester
Live matches, capture groups, and replacements with a syntax cheat sheet.
Open →Hash Generator
MD5, SHA-1, SHA-256, SHA-384, and SHA-512 of text or a file.
Open →UUID Generator
Random v4 and time-ordered v7 UUIDs, one or in bulk.
Open →JWT Decoder
Decode a JSON Web Token's header and payload and check its expiry.
Open →HTML Entity Encoder
Escape and unescape HTML entities and special characters.
Open →Color Converter
HEX, RGB, HSL, HSV, and CMYK with tints, shades, and contrast ratios.
Open →Password Generator
Strong random passwords and passphrases with an entropy estimate.
Open →Number Base Converter
Binary, octal, decimal, hex, and any base from 2 to 36.
Open →QR Code Generator
QR codes for links, text, and Wi-Fi, downloadable as PNG.
Open →Chmod Calculator
Unix file permissions between checkboxes, octal, and symbolic notation.
Open →More: Time & Date Tools · Text Tools · Unit Converters & Everyday Math · Health & Fitness Calculators · Home Improvement Calculators · Marketing & Advertising Calculators · Finance Calculators