A curated collection of useful tools for developers and content creators
๐ Text Processing
๐ Text Statistics
Analyze text and get comprehensive statistics including character count, word count, and LLM token estimation. Perfect for content writing and API planning.
- 8 different text metrics
- LLM token estimation
- Reading time calculation
๐ค Case Converter
Convert text between different case formats including camelCase, snake_case, kebab-case, and more. Essential for developers working with different naming conventions.
- 15 different case formats
- Grid layout for easy comparison
๐จ ASCII Text Drawer
Convert text into ASCII art using various fonts. Perfect for creating banners, headers, and decorative text for documentation or terminal applications.
- Multiple ASCII art fonts
- Clean, responsive interface
๐ป NATO Alphabet Converter
Convert text to NATO phonetic alphabet for clear communication. Essential for radio communications, spelling out information, and military/aviation contexts.
- 6 different output formats
- Handles letters, numbers, and special characters
๐ Emoji Picker
Browse emojis with search and category filtering. Perfect for social media, messaging, and content creation.
- Category-based browsing
- Search by emoji name
- 500+ emojis across all categories
๐ง Encoding & Formatting
๐ Base64 Encoder/Decoder
Encode and decode Base64 strings with optional URL-safe mode. Essential for data encoding, API integration, and secure data transmission.
- Standard and URL-safe Base64 encoding
- Bidirectional conversion (encode/decode)
- Unicode and special character support
- Error handling for invalid input
๐ URL Encoder/Decoder
Encode and decode URLs and text for safe transmission over the internet. Essential for web development and API work.
- Manual encode/decode controls
- Error handling for invalid input
๐ JSON Validator & Formatter
Validate, format, and minify JSON with detailed error messages. Complete JSON tool with vertical layout and advanced formatting options.
- Validation with error details
- Sort keys alphabetically option
- Customizable indentation (2 spaces, 4 spaces, tabs)
- Format and minify operations
๐ JSON to YAML Converter
Convert between JSON and YAML formats with bidirectional conversion. Essential for configuration files and data interchange between different systems.
- Bidirectional conversion (JSON โ YAML)
- Pretty formatting option
- Error handling for invalid input
๐ Security & Analysis
๐ก๏ธ Defang Tool
Defang and refang URLs, IPs, and email addresses for safe sharing in security reports and documentation. Prevents accidental clicks on malicious links.
- Defang URLs, IPs, and emails
- Bidirectional conversion (defang/refang)
- Essential for security analysis
๐ Hash Text
Generate cryptographic hashes for any text using various algorithms. Useful for data integrity verification, password hashing, and security applications.
- 7 hash algorithms (MD5, SHA1, SHA256, SHA512, SHA3-256, SHA3-512, RIPEMD160)
- Secure client-side processing
๐ X.509 Certificate Decoder
Decode and analyze X.509 certificates in PEM format. Extract certificate details, validity periods, and security information.
- PEM certificate parsing
- Certificate field extraction
- Security information display
๐ URL Parser
Parse and analyze URL components including protocol, host, path, query parameters, and fragments. Perfect for debugging and URL analysis.
- Extract all URL components
- Query parameter table view
โ๏ธ System Administration
๐ง Chmod Calculator
Calculate Unix file permissions in octal and symbolic notation. Essential for system administration and file security.
- Interactive permission checkboxes
- Octal and symbolic notation display
- Bidirectional conversion
- Common permission examples
โฐ Crontab Generator
Generate cron expressions with visual interface and human-readable descriptions. Perfect for scheduling tasks and automation.
- Visual dropdown interface
- Human-friendly descriptions
- Common scheduling patterns
๐ IPv4 Subnet Calculator
Calculate IPv4 subnet information from CIDR notation with comprehensive network details. Essential for network administration and planning.
- Complete subnet information
- Network and broadcast addresses
- Host range and count calculations
- Binary subnet mask display
๐ ๏ธ Utilities
๐ก๏ธ Temperature Converter
Convert temperatures between Celsius, Fahrenheit, Kelvin, and Rankine scales. Essential for scientific calculations and international communication.
- 4 temperature scales (ยฐC, ยฐF, K, ยฐR)
- Interactive scale switching
โฑ๏ธ Chronometer
Precise stopwatch and timer with lap functionality. Perfect for timing activities, workouts, or any time-sensitive tasks.
- Millisecond precision timing
- Start, pause, stop, and reset controls
- Lap time recording with individual durations
- Responsive design for mobile use
๐ World Clock
Display multiple timezone clocks simultaneously. Perfect for coordinating across time zones, scheduling international meetings, or tracking global time.
- Multiple timezone display with updates
- Add/remove timezones with easy selection
- Shows date, time, and timezone information
- 35+ major cities and timezones included
๐ฑ Device Information
Display comprehensive information about your device, browser, and screen. Includes advanced user agent parsing and AI capabilities detection.
- Screen size and orientation details
- Browser vendor and platform info
- Editable user agent parsing
- AI capabilities detection (Chrome's built-in AI)
๐ Mermaid Diagram Editor
Create and edit Mermaid diagrams with live preview and interactive controls. Perfect for creating flowcharts, sequence diagrams, and other visual documentation.
- Diagram rendering with updates
- Multiple diagram types (flowchart, sequence, gantt, pie, class)
- Zoom and pan controls for large diagrams
- Example templates for quick start
๐ฑ QR Code Generator
Generate customizable QR codes with gradient colors, multiple dot styles, and error correction levels. Perfect for creating branded QR codes for marketing and sharing.
- Gradient and solid color options
- 6 dot styles and corner customization
- 4 error correction levels
- Download as PNG
๐ผ๏ธ File Analysis
๐ผ๏ธ PNG Metadata Checker
Extract and analyze metadata from PNG files with drag and drop support. View image properties, textual data, timestamps, and technical information.
- Drag and drop file upload
- Complete PNG metadata extraction
- Image properties and color information
- Textual data with formatted display
๐ท EXIF Extractor
Extract and analyze EXIF metadata from JPEG images with drag and drop support. View camera settings, timestamps, and technical photography information.
- Drag and drop JPEG upload
- Complete EXIF data extraction
- Camera settings and exposure info
- JPEG segment analysis
- Unit Tests - JavaScript unit tests for the developer tools.
More tools coming soonโฆ