Developer Tools
48 free tools to make your development workflow faster and easier.
JSON Formatter
Format, validate, and minify JSON data with syntax highlighting
JWT Decoder
Decode and verify JSON Web Tokens with header and payload inspection
README Preview
Preview Markdown README and download as .md, .html, .pdf, or .docx
JWT Creator
Generate JSON Web Tokens with custom claims and signature
Password Generator
Generate strong, secure passwords with customizable options
Regex Tester
Test and debug regular expressions with real-time matching
Cron Parser
Parse and validate cron expressions with next run times
UUID Generator
Generate UUIDs (v1, v4) with bulk generation support
Timestamp Converter
Convert between Unix timestamps and human-readable dates
Base64 Encoder/Decoder
Encode and decode Base64 strings with UTF-8 support
URL Encoder/Decoder
Encode and decode URLs with special character handling
HTML Minifier
Minify HTML code by removing whitespace and comments
JWT Verifier
Verify JWT signatures with secret key validation
Email Server Configuration Tester
Test IMAP, SMTP, and POP3 server configurations to verify connection settings
Color Contrast Checker
Check WCAG color contrast ratios for accessibility
Lorem Ipsum Generator
Generate placeholder text with customizable length
QR Code Generator
Generate QR codes for text, URLs, and more
Hash Generator
Generate SHA256, MD5, and other cryptographic hashes
Text Diff Checker
Compare two texts and highlight differences
Email HTML Validator
Validate HTML for email compatibility
HTTP Header Viewer
View HTTP request and response headers
User-Agent Parser
Parse and analyze user agent strings
CSV & JSON Converter
Convert between CSV and JSON formats
Image Format Converter
Convert images between different formats (PNG, JPEG, WebP, etc.)
Image Compressor
Compress images to reduce file size while maintaining quality
Image Resizer
Resize images with precise dimensions, scaling, and aspect ratios
Image Cropper
Crop images with visual selection and aspect ratio controls
Images to PDF
Convert multiple images into a single PDF document
PDF to Images
Extract pages from PDF files as individual images
PDF Merger
Combine multiple PDF files into a single document
PDF Splitter
Extract specific pages or split PDF into multiple documents
PDF Page Reorder
Rearrange pages in your PDF document
PDF Unlock Tool
Remove password protection from PDF files
PDF Lock Tool
Add password protection and permissions to PDF files
Image Batch Processor
Process multiple images at once with batch operations
Image Metadata Viewer/Stripper
View and remove EXIF data and metadata from images
Favicon Generator
Generate favicons in multiple sizes and formats from images
Sprite Sheet Generator
Combine multiple images into sprite sheets for web development
Color Palette Generator
Generate comprehensive color palettes with framework code outputs
Image Editor
Edit images with crop, rotate, draw, and filter tools
Image Diff Tool
Compare two images and highlight visual differences
Image Sharpness Enhancer
Enhance image sharpness and clarity with advanced algorithms
Image Watermarker
Add text or image watermarks to protect your images
Background Remover
Remove backgrounds from images automatically
DPI Converter
Change image DPI/PPI for print and web optimization
Domain to IP Lookup
Convert domain names to IP addresses using DNS A and AAAA record lookups
IP to Domain Lookup
Find domain names associated with IP addresses using reverse DNS PTR record lookups
MDB / ACCDB Viewer
View Microsoft Access databases (MDB/ACCDB) in-browser with table preview and CSV export.
Coming Soon
Intelligently summarize long documents and articles with AI-powered analysis
Interactive AI chatbot for testing conversations and prompt engineering
Get detailed explanations of code snippets in any programming language
Generate complex SQL queries from natural language descriptions
Generate and test regular expressions using AI with natural language input
Create professional resumes with AI-powered content suggestions and formatting
Generate descriptive captions and alt text for images using AI vision
Compose, improve, and optimize emails with AI-powered writing assistance
Translate text between languages with context-aware AI translation
Rewrite and improve text content with AI-powered suggestions and style options
Analyze text sentiment and emotional tone with detailed AI insights
Optimize and improve code performance with AI-powered analysis and suggestions
Transform AI-generated text into natural, human-like writing that passes AI detection
Analyze prompts with clarity scoring, visual mapping, and optimization suggestions