Developer Utility Tools

We are on a mission to make developer life easier— all tools, one place, for free. A comprehensive collection of essential developer tools built right into your browser. No external dependencies, fast, and always available.

27 tools available
UUID Generator
generators
Generate unique identifiers for databases, APIs, and distributed systems

Primary Function

Creates universally unique identifiers (UUIDs) in various formats

Use Cases

  • Database primary keys and foreign keys
  • API request tracking and session management
  • Distributed system node identification
JSON Formatter
formatters
utilities
Format and beautify JSON data for better readability and debugging

Primary Function

Formats minified JSON into human-readable structure with proper indentation

Use Cases

  • Debugging API responses and configuration files
  • Code review and documentation preparation
  • Converting minified JSON for analysis
JSON Validator
validators
utilities
Validate JSON syntax and structure to ensure data integrity

Primary Function

Checks JSON for syntax errors and validates against schemas

Use Cases

  • API payload validation before deployment
  • Configuration file verification
  • Data migration and import validation
XML Formatter
formatters
utilities
Format and beautify XML documents with proper indentation

Primary Function

Transforms minified XML into readable, properly indented format

Use Cases

  • SOAP API response debugging
  • Configuration file maintenance
  • XML document structure analysis
HTML Formatter
formatters
utilities
Clean and format HTML code for better readability and maintenance

Primary Function

Formats HTML with proper indentation and structure

Use Cases

  • Code cleanup after minification
  • Template debugging and maintenance
  • HTML email template formatting
SQL Formatter
formatters
utilities
Format SQL queries for improved readability and debugging

Primary Function

Beautifies SQL statements with proper indentation and keyword highlighting

Use Cases

  • Database query optimization and review
  • SQL documentation and sharing
  • Complex query debugging and analysis
Code Minifier
optimizers
utilities
Compress JavaScript, CSS, and HTML for production deployment

Primary Function

Removes whitespace, comments, and optimizes code for smaller file sizes

Use Cases

  • Website performance optimization
  • Bandwidth reduction for mobile users
  • Production build preparation
Cron Expression Generator
generators
utilities
Create and validate cron expressions for scheduled tasks

Primary Function

Generates cron syntax for automated job scheduling

Use Cases

  • Server maintenance task scheduling
  • Automated backup and cleanup jobs
  • Periodic data processing workflows
Password Generator
security
generators
Create strong, secure passwords with customizable criteria

Primary Function

Generates random passwords with specified length and character sets

Use Cases

  • User account security enhancement
  • API key and token generation
  • Database and system password creation
Base64 Encoder
encoders
utilities
Encode and decode data using Base64 encoding scheme

Primary Function

Converts binary data to ASCII text and vice versa

Use Cases

  • Image embedding in CSS and HTML
  • API authentication token encoding
  • Email attachment encoding
BCrypt Hash Generator
security
generators
Generate secure BCrypt hashes for password storage

Primary Function

Creates salted BCrypt hashes with configurable rounds

Use Cases

  • User password hashing in applications
  • API key generation and storage
  • Secure token creation for authentication
Hash Calculator
security
utilities
Calculate MD5, SHA-1, SHA-256, and other hash values

Primary Function

Generates cryptographic hashes for data integrity verification

Use Cases

  • File integrity verification and checksums
  • Password hashing and comparison
  • Digital signature and authentication
URL Encoder
encoders
utilities
Encode and decode URLs for safe transmission over HTTP

Primary Function

Converts special characters to percent-encoded format

Use Cases

  • Query parameter encoding in APIs
  • Form data submission handling
  • URL-safe string generation
CSV to JSON Converter
converters
Transform CSV data into JSON format for API consumption

Primary Function

Converts comma-separated values to structured JSON objects

Use Cases

  • Data migration between systems
  • API payload preparation from spreadsheets
  • Database import format conversion
Lorem Ipsum Generator
generators
Generate placeholder text for design and development mockups

Primary Function

Creates dummy text in various lengths and formats

Use Cases

  • Website and app mockup content
  • Typography and layout testing
  • Content management system testing
Mock Data Generator
generators
Generate realistic test data for development and testing

Primary Function

Creates mock datasets with names, addresses, emails, and more

Use Cases

  • Database seeding for development
  • API testing with realistic data
  • User interface testing and demos
Regex Tester
testers
utilities
Test and debug regular expressions with real-time matching

Primary Function

Validates regex patterns against test strings with highlighting

Use Cases

  • Form validation pattern development
  • Log parsing and data extraction
  • Text processing and search patterns
JWT Decoder
security
utilities
Decode and inspect JSON Web Tokens for debugging

Primary Function

Parses JWT structure and displays header, payload, and signature

Use Cases

  • Authentication token debugging
  • API security testing and validation
  • Token expiration and claims inspection
Epoch Timestamp Converter
converters
utilities
Convert between Unix timestamps and human-readable dates

Primary Function

Transforms epoch time to formatted dates and vice versa

Use Cases

  • Database timestamp debugging
  • API response date interpretation
  • Log file analysis and filtering
Compare Text/Files
comparators
utilities
Compare text files and highlight differences between versions with JSON and CSV support

Primary Function

Identifies and visualizes changes between text, JSON, and CSV files regardless of formatting

Use Cases

  • Code review and version comparison
  • Configuration file change tracking
  • Document revision analysis
  • JSON object comparison regardless of key order
  • CSV data comparison and validation
JSON to CSV Converter
converters
Transform JSON data into CSV format for spreadsheet applications

Primary Function

Converts JSON objects and arrays to comma-separated values

Use Cases

  • Data export for Excel and Google Sheets
  • Report generation from API responses
  • Database import preparation
Color Picker & Converter
utilities
converters
Pick colors and convert between different color formats

Primary Function

Converts colors between HEX, RGB, HSL, and other formats

Use Cases

  • Web design and CSS development
  • Brand color palette creation
  • Accessibility contrast checking
Markdown Editor
editors
Write and preview Markdown with live rendering

Primary Function

Real-time Markdown editing with syntax highlighting and preview

Use Cases

  • Documentation writing and editing
  • README file creation for projects
  • Blog post and article drafting
XML to JSON Converter
converters
Convert XML documents to JSON format for modern APIs

Primary Function

Transforms XML structure into equivalent JSON representation

Use Cases

  • Legacy system data migration
  • API modernization projects
  • Data format standardization
Base Number Converter
converters
utilities
Convert numbers between different bases (binary, decimal, hex, etc.)

Primary Function

Converts numbers between binary, decimal, hexadecimal, and octal

Use Cases

  • Programming and computer science calculations
  • Network address and subnet calculations
  • Low-level programming and debugging
Image Compressor
optimizers
utilities
Compress and optimize images for web and mobile applications

Primary Function

Reduces image file sizes while maintaining visual quality

Use Cases

  • Website performance optimization
  • Mobile app asset preparation
  • Email attachment size reduction
Text Case Converter
utilities
converters
Convert text between different case formats for programming and documentation

Primary Function

Transforms text between camelCase, snake_case, kebab-case, and other formats

Use Cases

  • Variable and function name formatting
  • API endpoint and URL formatting
  • Documentation and code style consistency

All tools run locally in your browser. No data is sent to external servers.