Developer Tools

Encode and decode Base64

Encode and decode URL-encoded strings

Parse URL into components

Generate QR codes from URLs or text

Calculate network addresses

Calculate IP ranges

Validate email format and check MX records

Format, validate, and minify JSON data

Generate MD5, SHA1, SHA256, SHA512 hashes

Generate unique identifiers (UUID v4)

Generate secure random passwords

Decode and inspect JSON Web Tokens

Convert between Unix timestamps and dates

Parse and explain cron expressions

Convert between HEX, RGB, HSL color formats

Test and debug regular expressions

Calculate CIDR notation and IP ranges

Show your public IP address

Generate placeholder text

Generate random numbers within a range

Format, minify, and validate XML documents

Create clean URL slugs from text with bulk mode and options

Turn code into themed SVG and PNG share cards

Render shell output as terminal-style snapshots

Render unified diffs as color-coded image cards

Validate and pretty-print YAML documents locally

Inspect nested JSON structures in a tree view

Inspect XML nodes, attributes, and text structure

Parse CSV into a lightweight local table explorer

Infer a basic schema from example JSON documents

Render Mermaid diagrams and export SVG output