All tools

Format, validate and inspect JSON instantly.

Encode and decode text locally.

Inspect token headers and payloads safely.

Generate secure UUIDs in bulk.

Test expressions with live match details.

Create crisp, customizable QR codes.

Convert HEX, RGB and HSL colors.

Write and preview safe Markdown side by side.

Generate SHA hashes locally with Web Crypto.

Make common SQL statements readable.

Translate five-field cron expressions.

Encode and decode URL components safely.

Convert Unix timestamps and ISO dates locally.

Switch text between camel, snake, kebab and title case.

Turn any heading into a clean URL slug.

Compare two text versions line by line.

Count characters, words, lines and reading time.

Convert a JSON array of objects into CSV rows.

Turn CSV with a header row into structured JSON.

Render JSON as readable YAML locally.

Convert between decimal, hex, octal and binary.

Encode and decode HTML entities safely.

Break a URL query string into structured parameters.

Generate strong passwords with Web Crypto randomness.

Format and validate common YAML indentation locally.

Pretty-print and validate well-formed XML locally.

Find common Markdown structure and style issues.

Inspect URL parts, query parameters, and fragments.

Generate focused .gitignore rules for common stacks.

Generate readable TypeScript interfaces from JSON.