Free online developer tools for web development. Includes JSON formatter, validator, generator, and beautifier. Format, minify, validate, and generate JSON code instantly without registration.
Generate realistic sample JSON data for testing and development. Create test data with templates.
Convert JSON to XML format instantly. Transform your JSON data into properly formatted XML with one click.
Convert JSON to TypeScript interfaces instantly. Generate type-safe TypeScript code from JSON data.
Test and debug regular expressions online. Find matches, capture groups, and validate patterns in real-time.
Format and beautify SQL queries online. Organize SQL code with proper indentation and syntax highlighting.
Decode and verify JSON Web Tokens (JWT) online. Inspect header, payload, and signature with support for multiple algorithms.
Generate and validate cron expressions with human-readable descriptions. Create scheduled tasks with common presets and preview next run times.
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds with GMT, local time, and ISO 8601 formats.