Developer & Security Toolbox

Hash Generator

Compute cryptographic hashes (MD5, SHA-1, SHA-256, SHA-384, SHA-512, HMAC) instantly using Web Crypto API.

JWT Inspector

Decode and inspect JSON Web Tokens (Header, Payload, claims, expiration) client-side without sending tokens anywhere.

Base64 Encoder / Decoder

Encode and decode text, files, and images to/from Base64 with UTF-8 and URL-safe formatting.

Password & Key Generator

Generate cryptographically secure random passwords, passphrases, API keys, and pin codes with strength metrics.

UUID / Nanoid Generator

Generate single or bulk UUID v4, UUID v7 (timestamp-ordered), and customizable Nanoids.

URL Parser & Query Inspector

Deconstruct URLs into protocol, host, port, path, and interactive editable query parameters.

JSON Formatter & Validator

Format, validate, prettify, and minify JSON with collapsible tree view and error highlighting.

Regex Tester & Matcher

Test regular expressions in real-time with match highlighting, capture groups, and flag controls (g, i, m, s, u).

developer

Text & Code Diff Checker

Compare two blocks of text or code side-by-side or inline with visual addition and deletion highlights.

developer

Markdown Live Editor

Live split-pane markdown editor with GitHub-flavored markdown rendering, syntax highlighting, and copy options.

Glassmorphism Generator

Design stunning frosted-glass UI elements with live backdrop-filter blur, opacity, border, and copy-ready CSS / Tailwind.

design

CSS Gradient Generator

Build linear and radial gradients with interactive color stops, angle controls, preset styles, and CSS export.

design

Color Converter & Contrast

Convert colors between HEX, RGB, HSL, and OKLCH with WCAG 2.1 contrast ratio and accessibility checks.

design

Box Shadow Generator

Craft multi-layered, smooth box shadows with live 3D elevation preview and copyable CSS / Tailwind.

utility

PX to REM Converter

Instantly convert pixels to REM / EM with custom base root font sizes (16px default) and interactive lookup table.