Developer
Debug tokens, test regex patterns, and inspect developer data formats.
27 tools available
JWT Decoder
Decode and inspect JSON Web Token headers and payloads
DeveloperRegex Tester
Test regular expressions with live match highlighting
DeveloperCron Expression Parser
Decode cron schedules into plain English
DeveloperSQL Formatter
Format and beautify SQL queries
DeveloperCSV to JSON
Convert CSV data to JSON format
DeveloperJSON to CSV
Convert JSON arrays to CSV format
DeveloperXML Formatter
Format and beautify XML documents
DeveloperJWT Generator
Generate unsigned JWT token structure for testing
DeveloperURL Parser
Break down URLs into components
DeveloperCSS Minifier
Minify CSS by removing whitespace and comments
DeveloperHTML Beautifier
Format and indent HTML code
DeveloperYAML to JSON
Convert YAML data to JSON format
DeveloperJSON to YAML
Convert JSON data to YAML format
DeveloperJavaScript Minifier
Minify JavaScript by removing comments and whitespace
DeveloperHTML to Markdown
Convert HTML markup to Markdown format
DeveloperChmod Calculator
Convert between octal and symbolic file permissions
DeveloperAspect Ratio Calculator
Calculate width or height from aspect ratio
DeveloperCSV Formatter
Format and align CSV data for readability
DeveloperJSON String Escaper
Escape and unescape strings for JSON
DeveloperUser-Agent Parser
Parse browser, OS, and device from User-Agent strings
DeveloperTab to Spaces
Convert tabs to spaces in code and text
DeveloperCron Expression Generator
Build cron schedules with presets and custom fields
DeveloperMarkdown Table Generator
Create Markdown tables from CSV or tab-separated data
DeveloperUUID Validator
Validate UUID format and identify version
DeveloperCSS Gradient Generator
Create linear CSS gradients with live preview
DeveloperMeta Tag Generator
Generate SEO and Open Graph meta tags
DeveloperNaming Convention Converter
Convert between camelCase, snake_case, kebab-case, and more
Developer