Developer tools

Base64, URL and HTML encoding and decoding in one place.

• Base64 Encode
• Base64 Decode
• URL Encode
• URL Decode
• HTML Encode
• HTML Decode

Turn images into Base64 data URIs, or Base64 back into images.

• PNG to Base64
• JPG to Base64
• SVG to Base64
• Base64 to Image

Beautify or minify HTML, CSS, JavaScript, SQL and XML.

• HTML Formatter
• CSS Formatter
• JavaScript Beautifier
• SQL Formatter
• XML Formatter
• HTML Minifier
• CSS Minifier
• JavaScript Minifier

Strong random passwords with length, character sets and strength in bits.

• PIN Generator

Generate UUID v4 and time-ordered v7 in bulk, and decode any UUID.

• GUID Generator
• UUID v7 Generator

MD5, SHA-1, SHA-256, SHA-384 and SHA-512 for text and files, with HMAC.

• MD5 Hash Generator
• SHA-256 Hash Generator
• File Checksum Calculator

Decode JSON Web Tokens, check expiry and verify signatures locally.

Convert epoch timestamps to dates and back, in any time zone.

Test JavaScript regular expressions live with highlighting, groups and replace.

Convert HEX, RGB, HSL, HWB, OKLCH and CMYK, check contrast, get shades.

• HEX to RGB
• RGB to HEX
• Color Contrast Checker