Developer Tools.

Test regex with live highlighting.

MD5, SHA-1, SHA-256 hashes.

Decode JWT header and payload.

Generate keyed-hash message authentication codes.

Create and sign JSON Web Tokens with HMAC or RSA.

Hash passwords or verify BCrypt hashes.

Encrypt and decrypt data using AES-GCM or AES-CBC.

Encode and decode Base64 strings.

Encode or decode URL components.

Convert between JSON and YAML.

Unix timestamps to human dates.

Binary, octal, decimal, hex.

Generate random v4 UUIDs.

Strong random passwords.

Generate QR codes from text or URLs.

SEO + OG + Twitter card tags.

Live preview HTML with instant rendering and multiple viewports.

Parse and analyze URLs with full breakdown of components.

Beautify, minify, validate JSON.

Count words, chars, sentences.

URL-friendly slugs from titles.

Write and preview Markdown.

camelCase, snake_case, kebab-case, etc.

Compare two texts side by side.

Generate placeholder text.

Generate regex patterns from natural language descriptions.

Analyze text to discover the most common words, bigrams, and trigrams.

Analyze text readability with Flesch-Kincaid, Coleman-Liau, and SMOG.

Convert between HEX, RGB, HSL formats.

WCAG accessibility contrast ratios.

Create beautiful CSS gradients with a visual builder.

Create CSS box-shadows with a visual builder.

Plain English cron expressions.

Drag-and-drop task board.

Measure typing speed + accuracy.

Build a resume with PDF export.

Build UTM URLs for tracking marketing campaigns with QR code generation.

Test REST APIs with full control over method, headers, body, and authentication.

Convert JSON to TypeScript interfaces with real type inference.

Convert between CSV, JSON, and TSV formats.