All Tools

Cryptographically secure passwords with custom length, character sets, and live entropy / strength indicator.

Real-time regular expression testing with match highlighting, capture groups, and flag toggles.

Generate QR codes for URLs, text, contacts, and Wi-Fi. Download as PNG instantly.

Base64, URL, HTML encode/decode. JWT decoder, hex converter, and more in one place.

JSON formatter & validator, code minifier, diff checker, and syntax highlighter.

HEX/RGB/HSL converter, palette generator, gradient builder, and WCAG contrast checker.

Quick reference for HTML tags, CSS properties, and JavaScript built-ins. No more googling basics.

Convert length, weight, temperature, area, volume, speed, and more with instant results.

Transform text between camelCase, PascalCase, snake_case, kebab-case, UPPER CASE, and more.

Count words, characters, sentences, paragraphs, and reading time. Useful for writers and editors.

Quick percentage math: what is X% of Y, percent change, and reverse percentage calculations.

Subnet calculator: compute network address, broadcast, host range, and split subnets.

Remove duplicate lines, sort lines, trim whitespace, reverse text, and clean up messy content.

Convert JSON ↔ CSV ↔ YAML, flatten nested objects, and pretty-print structured data.

Date difference calculator, timezone converter, countdown timer, and Unix timestamp converter.

Box shadow generator, CSS Grid / Flexbox visualizer, border-radius picker, and gradient builder.

NanoID generator, slug builder, hash generator (MD5, SHA), and random token creator.

Estimate token counts for GPT-4, Claude, Llama, Gemini, Mistral, and DeepSeek. Compare context window usage across models.

Format LinkedIn posts with Unicode bold, italic, special fonts, custom bullets, and spacing controls.