All 157 Developer Tools

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JSON Format/Validate — Format, validate, and minify JSON with clear error feedback for invalid structures
JS Beautify/Minify — Format or minify JavaScript with cleaner indentation and readable structure
CSS Beautify/Minify — Format or minify CSS to improve readability and reduce payload size
HTML Beautify/Minify — Format or minify HTML markup for cleaner templates and production output
XML Beautify/Minify — Pretty-print or minify XML files while preserving valid document structure
SQL Formatter — Format SQL queries with consistent indentation for easier reading and review
ERB Beautify/Minify — Format ERB templates for Ruby projects and compact them for deployment
LESS Beautify/Minify — Format or minify LESS files for easier editing and optimized builds
SCSS Beautify/Minify — Format or minify SCSS code with consistent style and spacing
Line Sort/Dedupe — Sort text lines and remove duplicates to clean lists and configuration blocks
GraphQL Formatter — Format GraphQL operations and schemas with readable, consistent layout
TOML Formatter — Format and validate TOML configuration files with clean indentation
Base64 Encode/Decode — Encode plain text to Base64 and decode Base64 content back to readable text
URL Encode/Decode — Encode URLs for safe transmission and decode percent-encoded strings back to plain text
HTML Entity Encode/Decode — Convert special characters to HTML entities and decode them back to original form
Backslash Escape/Unescape — Escape special characters with backslashes for JSON strings and code, or unescape them
Hex ↔ ASCII — Convert between hexadecimal notation and ASCII/UTF-8 text in both directions
Unix Time Converter — Convert Unix timestamps to human-readable dates and vice versa with timezone support
Number Base Converter — Convert numbers between binary, octal, decimal, and hexadecimal bases instantly
String Case Converter — Convert text between camelCase, snake_case, kebab-case, PascalCase and more
Color Converter — Convert colors between HEX, RGB, HSL, and other formats with live preview
YAML ↔ JSON — Convert YAML to JSON and JSON to YAML with validation and formatting
JSON ↔ CSV — Convert JSON arrays to CSV tables and CSV data back to structured JSON
HTML to JSX — Convert HTML markup to JSX syntax for use in React components
cURL to Code — Convert cURL commands to Python, JavaScript, Go, and other language code
JSON to Code — Generate TypeScript interfaces, Python dataclasses, and more from JSON samples
PHP ↔ JSON — Convert between PHP serialized data/arrays and JSON format
PHP Serializer — Serialize and unserialize PHP data with format validation
SVG to CSS — Convert SVG markup to CSS background-image data URIs for inline use
TOML ↔ JSON — Convert between TOML configuration format and JSON structures
JSON ↔ XML — Convert JSON data to XML and parse XML back to structured JSON
Universal Converter — Convert between JSON, YAML, TOML, XML, CSV and more in a single tool
Subtitle Converter — Convert between SRT, VTT, and other subtitle formats
HTML Table Generator — Generate HTML tables from structured data with customizable styling
Docker Run → Compose — Convert docker run commands to docker-compose.yml format automatically
SVG to JSX — Convert SVG markup to React JSX component code
ROT13 Cipher — Encode and decode text using the ROT13 substitution cipher
Punycode Converter — Convert international domain names to Punycode and decode them back
UUID Generator — Generate UUID v1/v4 identifiers and ULIDs for unique resource identification
Lorem Ipsum Generator — Generate placeholder text in various lengths for design mockups and prototypes
Hash Generator — Generate MD5, SHA-1, SHA-256, SHA-512 and other cryptographic hashes from input text
Random String Generator — Generate random strings with configurable length, character sets, and patterns
Password Generator — Generate strong, random passwords with customizable length and character requirements
QR Code Generator — Generate QR codes from text, URLs, or data with customizable colors and error correction
Barcode Generator — Generate various barcode formats (EAN, UPC, Code128) for products and inventory
Placeholder Image — Generate placeholder images with custom dimensions, colors, and text overlays
Mock Data Generator — Generate realistic mock data for testing APIs, databases, and UI prototypes
Random Number Generator — Generate random numbers within configurable ranges and distributions
CSS Gradient Generator — Create beautiful CSS gradients with live preview and copy-ready code
Box Shadow Generator — Design CSS box shadows visually with multiple layers and real-time preview
Border Radius Generator — Create custom border radius values with visual preview for any element
Text Shadow Generator — Design CSS text shadows with color, blur, and offset controls
CSS Loader Generator — Generate pure CSS loading spinners and animations for your projects
SVG Blob Generator — Create organic SVG blob shapes for backgrounds and decorative elements
Flexbox Playground — Visual flexbox layout builder with live code output for CSS flex containers
CSS Grid Playground — Interactive CSS Grid layout builder with visual template editor
Color Palette Generator — Generate harmonious color palettes from a base color for UI design
Contrast Checker — Check WCAG color contrast ratios for accessibility compliance
Favicon Generator — Generate favicon sets in multiple sizes from any image
Aspect Ratio Calculator — Calculate and maintain aspect ratios for images, videos, and layouts
CSS Specificity Calculator — Calculate and compare CSS selector specificity scores
SVG Optimizer — Minify and optimize SVG files by removing unnecessary markup
JWT Encoder — Create signed JWT tokens with custom payloads and secret keys
JSON-LD Generator — Generate structured data markup for rich search results
README Generator — Generate professional README.md files for GitHub repositories
Gitignore Generator — Generate .gitignore files for any language, framework, or IDE
Table Generator — Create markdown and HTML tables with visual editing
License Generator — Generate open-source license files (MIT, Apache, GPL, etc.)
package.json Generator — Create package.json files for Node.js projects with guided input
EditorConfig Generator — Generate .editorconfig files for consistent code style across editors
Dockerfile Generator — Generate Dockerfiles with best practices for any language stack
.env Example Generator — Generate .env.example files documenting all environment variables
Open Graph Generator — Generate Open Graph meta tags for social media sharing previews
JWT Debugger — Decode and inspect JWT tokens to verify header, payload, and signature claims
Regex Tester — Test regular expressions against sample text with match highlighting and explanation
Text Diff Checker — Compare two text blocks side-by-side and highlight added, removed, and changed lines
Markdown Preview — Live preview of Markdown with GitHub-flavored rendering and syntax highlighting
String Inspector — Analyze strings for hidden characters, encoding issues, and byte representation
Cron Parser — Parse cron expressions and display next execution times in human-readable format
HTML Preview — Render HTML snippets in a sandboxed iframe with live editing
Certificate Decoder — Decode and inspect X.509 SSL/TLS certificates to view expiry, issuer, and SANs
Base64 Image Viewer — View and convert Base64-encoded images with format detection
URL Parser — Parse and inspect URL components — protocol, host, path, query params, and hash
JSON Diff — Compare two JSON documents and highlight structural differences
Email Validator — Validate email addresses with syntax checks, DNS MX lookup, and disposable detection
IP Lookup — Lookup IP address information including geolocation, ISP, and ASN data
Slug Generator — Generate URL-friendly slugs from text with customizable separators
HTTP Status Reference — Browse HTTP status codes with descriptions and common use cases
MIME Type Reference — Look up MIME types by extension or content type with descriptions
IP Subnet Calculator — Calculate network subnets, CIDR ranges, and IP address information
JSON Schema Validator — Validate JSON data against JSON Schema definitions with detailed errors
JSON Tree Viewer — Visualize JSON data in an interactive collapsible tree structure
CSV Viewer — View and navigate CSV files in a spreadsheet-like table interface
CSV Studio — Edit, filter, sort, and transform CSV data with spreadsheet capabilities
robots.txt Generator — Generate robots.txt files to control search engine crawling behavior
.htaccess Generator — Generate Apache .htaccess files with redirects, rewrites, and security rules
Docker Compose Builder — Build and validate docker-compose.yml files with service configuration
Sitemap Generator — Generate XML sitemaps for search engine submission and indexing
Security Headers — Generate HTTP security headers (CSP, HSTS, X-Frame-Options) for web applications
CORS Headers — Configure Cross-Origin Resource Sharing headers for API security
Chmod Calculator — Calculate Unix file permissions with visual checkbox interface
Text to Binary — Convert text to binary representation and decode binary back to text
Morse Code — Encode text to Morse code and decode Morse signals back to readable text
NATO Alphabet — Convert text to NATO phonetic alphabet and decode phonetic spelling
Find & Replace — Find and replace text with regex support, case sensitivity, and multi-line mode
Whitespace Remover — Trim, normalize, or remove whitespace from text with configurable options
Character Counter — Count characters, words, lines, and paragraphs with real-time statistics
Binary Calculator — Perform bitwise operations and binary arithmetic with visual bit representation
Unit Converter — Convert between length, weight, temperature, data size, and other units
Roman Numerals — Convert between Roman numerals and decimal numbers
Date & Age Calculator — Calculate date differences, ages, deadlines, and elapsed time
Percentage Calculator — Calculate percentages, ratios, and proportional values
Timezone Converter — Convert times between different timezones with DST awareness
Image Compress — Compress JPEG, PNG, and WebP images while preserving visual quality
Image Resize — Resize images to exact dimensions or percentage scale with aspect ratio lock
Image Crop — Crop images interactively with preset aspect ratios and freeform selection
Convert to JPG — Convert PNG, WebP, and other formats to optimized JPEG
Convert from JPG — Convert JPEG to PNG, WebP, and other image formats
Photo Editor — Apply filters, adjust brightness/contrast/saturation, and enhance photos
Image Upscale — Upscale images using AI to increase resolution while preserving detail
Remove Background — Remove image backgrounds automatically using AI with edge detection
Image Watermark — Add text or image watermarks to protect and brand your images
Meme Generator — Create custom memes with top and bottom text on any image
Image Rotate — Rotate images by any angle with automatic cropping and background fill
HTML to Image — Render HTML/CSS to PNG or JPEG images for social media and thumbnails
Pixelate Face — Automatically detect and pixelate faces in images for privacy
PDF Merge — Combine multiple PDF files into a single document with page ordering
PDF Split — Split PDF documents into individual pages or custom page ranges
PDF Compress — Reduce PDF file size while maintaining acceptable visual quality
PDF Rotate — Rotate PDF pages individually or in bulk by 90°, 180°, or 270°
PDF Reorder — Reorder, delete, or duplicate pages within a PDF document
PDF to JPG — Convert PDF pages to high-quality JPEG images
JPG to PDF — Create PDF documents from JPEG images with layout options
PDF Watermark — Add text or image watermarks to PDF pages for branding and protection
PDF Page Numbers — Add page numbers to PDF documents with customizable position and style
PDF Protect — Encrypt PDF files with password protection and permission controls
PDF Unlock — Remove password protection from PDF files (requires knowing the password)
PDF OCR — Extract text from scanned PDFs using optical character recognition
PDF Compare — Compare two PDF documents and highlight textual differences
PDF Redact — Permanently remove sensitive information from PDF documents
PDF Crop — Crop PDF pages to remove margins and unwanted content
PDF Forms — Fill in and edit PDF form fields interactively
PDF to Markdown — Convert PDF documents to clean Markdown text format
PDF to PDF/A — Convert PDF files to PDF/A format for long-term archival
EPUB Reader — Read EPUB ebooks with customizable fonts, themes, and page navigation
eBook Converter — Convert between EPUB, MOBI, FB2, DOCX, PDF and other ebook formats
Comic Reader — Read CBZ/CBR comic book archives with zoom and page navigation
FB2 Reader — Read FictionBook 2 (FB2) format ebooks with formatting preserved
EPUB Metadata Editor — Edit EPUB metadata — title, author, cover, description, and more
DRM Checker — Check if an ebook file has DRM protection applied
EPUB to Text — Extract plain text content from EPUB files for analysis and conversion
FB2 to EPUB — Convert FictionBook 2 files to EPUB format with metadata preservation
MOBI to EPUB — Convert MOBI/Kindle ebook files to EPUB format
DOCX Converter — Convert DOCX Word documents to EPUB, PDF, and other formats
PDF to Text — Extract and export text content from PDF documents
PDF Reader — Read and navigate PDF documents with search, zoom, and thumbnails

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