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82 free tools. No login required.
Format, validate, and minify JSON data with syntax highlighting
Encode and decode Base64 strings online free
Decode and analyze JWT tokens online free
Format and beautify SQL queries with syntax validation
Encode and decode URLs and URL components online free
Generate UUIDs (Universally Unique Identifiers) v4 and v7
Generate customizable QR codes with advanced styling options
Compress images with quality control for JPEG, PNG, and WebP formats
Minify, beautify, and validate JavaScript code with customizable options
Generate secure, random passwords with customizable options
Convert JSON data to CSV format with advanced formatting options
Resize, compress and convert images with batch processing support
Format, validate, and minify HTML code online free
Convert CSV data to JSON format with advanced parsing options
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes for text and files
Generate TypeScript interfaces and types from JSON data
Count words, characters, sentences, and analyze text readability with Flesch scores
Convert Unix timestamps to human-readable dates and back
Format, beautify, and minify CSS code online free
Convert Markdown to HTML with live preview and GFM support
Generate JSON Web Tokens with custom claims and multiple algorithms
Test and debug regular expressions with real-time matching, capture groups, and extended flags
Comprehensive text analysis with character, word, and language statistics
Convert between color formats (HEX, RGB, HSL, HSV, CMYK) and generate palettes
Live preview and edit Markdown with syntax highlighting
Compare two JSON objects and highlight their differences side-by-side
Convert images to Base64 encoded strings for embedding in HTML/CSS
Beautify and style JSON data with configurable indentation and color themes
Generate realistic random data for testing and development
Convert JSON data to YAML format and vice versa
Generate JSON Schema from sample JSON data automatically
Calculate subnet masks, CIDR notation, and IP ranges
Validate JSON syntax with detailed error messages and line-level reporting
Escape and unescape strings for JavaScript, JSON, HTML, URL, and more
Format, validate, and minify XML documents online
Convert HTML code to Markdown format with customizable options
Convert between different units of measurement online free
Generate Time-based One-Time Passwords for two-factor authentication
Extract and view EXIF metadata from images
Find and extract JSON values using JSONPath expressions
Encode and decode HTML entities for web development
Format, validate, and minify YAML files online free
Minify JSON data by removing whitespace for smaller payload size
Generate placeholder text with multiple styles including Lorem Ipsum and more
Convert XML data to JSON format with customizable options
Create favicons from images or text for all platforms and devices
Parse and analyze URL components (protocol, host, path, query, hash)
Convert text to hexadecimal and vice versa online free
Convert JSON data to XML format with customizable options
Convert text between camelCase, snake_case, kebab-case and more
Decode and analyze PEM/X.509 SSL certificates
Optimize and minify SVG files with SVGO
Parse and analyze HTTP request and response headers
Generate barcodes in various formats (Code128, EAN, UPC, etc.)
Generate Go struct definitions from JSON data
Calculate and verify file checksums (MD5, SHA-1, SHA-256, SHA-512)
Convert SVG code to CSS background-image with optimized data URI
Parse and analyze browser User-Agent strings
Convert text to binary and binary to text online free
Write and preview Markdown with live syntax highlighting and GFM support
Look up IP address geolocation, ISP, ASN, and network details
Convert numbers between binary, octal, decimal, hexadecimal, and base36
Generate placeholder images with custom dimensions and colors
Compare two texts and visualize their differences with side-by-side or unified views
Minify HTML code by removing whitespace and comments for optimized output
Generate ASCII art text with various fonts and styles
Generate Content Security Policy headers with visual builder
Sort lines, remove duplicates, filter empty lines, and randomize text
Perform DNS lookups (A, AAAA, MX, NS, TXT, CNAME) for any domain
Decode Base64 strings with automatic encoding detection and file download support
Encode text and files to Base64 with multiple encoding presets
Minify CSS code by removing whitespace and comments for faster page loads
Build and validate cron expressions with visual editor and timezone support
Pick and extract colors from anywhere on your screen for designers
Generate URL-safe slugs from text with transliteration support
Generate effective prompts for AI tools with customizable templates and variables
Convert between TOML, JSON, and YAML formats
Calculate string length in bytes, characters, and code points
Enhance and optimize AI prompts for better results with structured revision templates
Convert numbers to words in English
Convert text to Morse code and vice versa with audio playback
Transfer EXIF metadata from one image to another while preserving image quality