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JSON Formatter
Format, validate, and minify JSON data instantly
Base64 Codec
Encode and decode Base64 strings with Unicode support
Hash Generator
Generate SHA-1, SHA-256, SHA-384, SHA-512 hashes
UUID Generator
Generate random UUID v4 identifiers in bulk
Color Converter
Convert colors between HEX, RGB, and HSL formats
JWT Decoder
Decode and inspect JSON Web Tokens instantly
Regex Tester
Test regular expressions with real-time match highlighting
URL Parser
Parse URLs into protocol, host, path, and query params
Markdown Preview
Write and preview Markdown with live rendering
Diff Checker
Compare two texts and see differences highlighted
Epoch Converter
Convert Unix timestamps to dates and back
Password Generator
Generate strong, secure random passwords
Lorem Ipsum Generator
Generate placeholder text for designs and layouts
Case Converter
Convert text between camelCase, snake_case, kebab-case, and more
Number Base Converter
Convert numbers between binary, octal, decimal, and hex
CSV ↔ JSON Converter
Convert between CSV and JSON formats with custom delimiters
Cron Expression Parser
Parse cron schedules into plain English with next run times
Word & Character Counter
Count words, characters, sentences, and estimate reading time
URL Encoder & Decoder
Encode and decode URLs with encodeURIComponent and encodeURI
JSON ↔ YAML Converter
Convert between JSON and YAML for Kubernetes, Docker, and CI/CD configs
Chmod Calculator
Calculate Unix file permissions with an interactive permission matrix
HTML Entity Encoder
Encode and decode HTML entities, special characters, and symbols
CSS Gradient Generator
Create beautiful CSS gradients visually with live preview
QR Code Generator
Generate customizable QR codes from text or URLs
SQL Formatter
Format, beautify, and minify SQL queries instantly
XML Formatter
Format, beautify, validate, and minify XML documents instantly
Code Minifier & Beautifier
Minify and beautify JavaScript, CSS, and HTML code instantly
Image to Base64
Convert images to Base64 data URIs or decode Base64 back to images
Color Palette Generator
Generate harmonious color palettes using color theory algorithms
JSON to TypeScript
Generate TypeScript interfaces and type aliases from JSON data
HTML ↔ Markdown
Convert between HTML and Markdown in either direction
YAML Formatter
Validate, format, beautify, and minify YAML documents instantly
JSON Path Tester
Test JSONPath expressions against JSON data with real-time evaluation
SVG Optimizer
Optimize SVGs by removing metadata, comments, editor data, and unnecessary attributes
Image Compressor
Compress and resize images with adjustable quality — JPEG, WebP, and PNG
Box Shadow Generator
Design CSS box shadows visually with multiple layers, presets, and live preview
Color Contrast Checker
Check WCAG 2.1 color contrast ratios for AA and AAA accessibility compliance
Flexbox Generator
Build CSS flexbox layouts visually with live preview, item config, and presets
Grid Generator
Build CSS grid layouts visually with columns, rows, gap, item placement, and presets
Border Radius Generator
Design CSS border-radius visually with per-corner controls, unit selection, and presets
Text Shadow Generator
Design CSS text shadows visually with multiple layers, presets, and live preview
CSS Animation Generator
Build CSS keyframe animations visually with presets, live preview, and copy-ready code
Markdown Table Generator
Build Markdown tables visually with an interactive editor, CSV import, and alignment controls
Text ↔ Binary Converter
Convert text to binary, hexadecimal, octal, or decimal and decode back with UTF-8 support
Meta Tag Generator
Generate SEO, Open Graph, and Twitter Card meta tags with live Google and social previews
JSON Schema Validator
Validate JSON data against JSON Schema (Draft 07) with detailed error reporting and schema generation
IP / CIDR Toolkit
Subnet calculator, VLSM divider, IP range to CIDR converter, and IP address classifier
.gitignore Generator
Generate .gitignore files from 50+ templates — Node.js, Python, Java, Go, Rust, and more
Crontab Generator
Build cron expressions visually — select frequency, time, and days to generate cron schedules
Favicon Generator
Generate favicons from text or emoji — download PNGs, SVG, Apple Touch Icon, and HTML tags
URL Slug Generator
Convert text into clean, URL-friendly slugs with Unicode transliteration and bulk mode
cURL to Code
Convert cURL commands to JavaScript, Python, Go, PHP, Ruby, and Java code instantly
JSON to CSV Converter
Convert JSON arrays to CSV with nested object flattening, column selection, and .csv download
Tailwind CSS Generator
Build Tailwind CSS utility classes visually with live preview and component presets
Open Graph Preview
Preview and debug Open Graph, Twitter Card, and SEO meta tags for social sharing
JS/TS Playground
Run JavaScript and TypeScript code in your browser with instant console output
JSON Diff
Compare two JSON objects and see structural differences — added, removed, and changed keys
TOML ↔ JSON/YAML
Convert between TOML, JSON, and YAML — perfect for Cargo.toml and pyproject.toml
Encode / Decode Multi-Tool
Base64, Base32, Hex, Binary, URL, and HTML encoding & decoding all in one tool
Docker Compose Validator
Validate and format Docker Compose files — check services, networks, volumes, and dependencies
Privacy Policy Generator
Generate a customized privacy policy with GDPR, CCPA, cookies, analytics, and payment sections
HTTP Status Codes
Complete HTTP status code reference — 1xx, 2xx, 3xx, 4xx, 5xx with detailed explanations and use cases
Date Format Tester
Test date format patterns for strftime, date-fns, Moment.js, Go, and Java with live preview and token reference
JSON Mock Data Generator
Generate realistic fake JSON data for API testing with 30+ field types, preset templates, and schema builder
README Generator
Generate professional GitHub README.md files with badges, installation steps, usage examples, and more
Dockerfile Validator
Validate and lint Dockerfiles for syntax errors, security issues, best practices, and layer optimization
Kubernetes YAML Validator
Validate Kubernetes manifests for syntax, required fields, best practices, security, and resource limits
robots.txt Generator
Generate robots.txt files with crawl rules for Googlebot, Bingbot, AI bots, and more — presets included
OpenAPI / Swagger Validator
Validate OpenAPI 3.x and Swagger 2.0 specs for structure, paths, schemas, security, and best practices
Zod Schema Generator
Generate Zod validation schemas from JSON — auto-detects emails, URLs, UUIDs, dates, and nested objects
Placeholder Image Generator
Generate custom placeholder images for wireframes, mockups, and prototyping with custom dimensions and colors
Nginx Config Generator
Generate nginx configuration files — server blocks, SSL, reverse proxy, gzip, load balancing, and security headers
.env File Validator
Validate .env files for syntax errors, duplicate keys, security risks, and best practices — export .env.example templates
File Hash Calculator
Compute MD5, SHA-1, SHA-256, SHA-384, SHA-512 file hashes — drag and drop to verify integrity with checksum comparison
ASCII Art Text Generator
Convert text into ASCII art with 7 font styles — banner, block, shadow, slim, star, dot, lines — with comment wrapping for code
Regex Generator
Generate regex patterns by describing what you need — 60+ curated patterns, visual composer, live tester, and pattern explanations
LLM Token Counter
Count tokens and estimate API costs for GPT-4o, Claude, Gemini, and other LLMs with BPE tokenization
AI Model Comparison
Compare 23 AI models (Claude 4.6, GPT-4.1, Gemini 3) + 5 coding IDEs (Cursor, Copilot, Windsurf, Kiro, Antigravity) — pricing, context windows, capabilities
Git Command Builder
Build git commands visually with an interactive builder — branching, merging, rebasing, stashing, tags, and 80+ cheat sheet entries
CSP Header Builder
Build Content Security Policy headers visually with framework presets, security analysis, and multi-format output for Nginx, Apache, Vercel, Netlify
HTML to JSX Converter
Convert HTML to JSX instantly — class to className, inline styles to objects, self-closing tags, SVG attributes, event handlers, and more
JSON to Code Generator
Generate typed code from JSON in 8 languages — Go, Python, Java, C#, Dart, Rust, Swift, Kotlin structs and classes
Code Screenshot Generator
Create beautiful code screenshots with 8 themes, syntax highlighting, customizable backgrounds, and window chrome — free Carbon/Ray.so alternative
CSS to Tailwind Converter
Convert CSS to Tailwind utility classes instantly — 100+ properties including layout, spacing, typography, borders, and effects
JSON Visualizer
Visualize JSON as an interactive tree — collapsible nodes, search, path copy, depth controls, and data statistics
SVG to JSX Converter
Convert SVG to JSX or a React/TypeScript component — camelCase attributes, style objects, forwardRef, memo, props spread
AI Prompt Builder
Build structured AI prompts with templates, variables, and multi-format output for OpenAI, Anthropic, and Gemini APIs
MCP Config Builder
Build MCP configuration files visually for Claude Desktop, Cursor, VS Code, Windsurf, and Claude Code with 16 server templates
OpenAPI to TypeScript
Convert OpenAPI 3.x and Swagger 2.0 specs to TypeScript interfaces and types with $ref resolution, allOf/oneOf/anyOf, enums, and API operation types
JSON to Zod Converter
Convert JSON or JSON Schema to Zod validation schemas with $ref resolution, allOf/oneOf/anyOf, enum, format constraints, and required/optional fields
JWT Builder
Build and sign JSON Web Tokens with HMAC, RSA, and ECDSA algorithms — visual payload editor with expiration presets
tsconfig.json Builder
Build TypeScript tsconfig.json visually with framework presets, explanations for every option, and one-click download
GraphQL to TypeScript
Convert GraphQL SDL schemas to TypeScript interfaces, types, enums, unions, and operations
package.json Generator
Generate package.json visually with framework presets, dependency editor, scripts, and module config
Security Headers Generator
Generate HTTP security headers for Nginx, Apache, Vercel, Netlify, and Cloudflare with presets, security scoring, and multi-format output
TypeScript to JavaScript
Convert TypeScript to JavaScript — strip types, interfaces, enums, generics, and access modifiers to get clean JS output
JSON to SQL Converter
Convert JSON arrays to SQL CREATE TABLE and INSERT statements for PostgreSQL, MySQL, and SQLite with automatic type inference
JSON to GraphQL Schema
Generate GraphQL schema definitions from JSON data with automatic type inference, Query/Mutation generation, and .graphql download
Git Diff Viewer
Paste unified diff output from git diff and view it with syntax highlighting, line numbers, and side-by-side or inline display
SQL to TypeScript/Prisma/Drizzle
Convert SQL CREATE TABLE statements to TypeScript interfaces, Prisma schema, and Drizzle ORM definitions for PostgreSQL, MySQL, and SQLite
Compression Tester
Test and compare Brotli, Gzip, and Deflate compression ratios for text content — sizes, savings, and speed
TypeScript 6.0 Migration Checker
Analyze your tsconfig.json for TS 6.0 breaking changes, deprecated options, new defaults, and get a readiness grade with fixes
ESLint to Biome Converter
Convert your ESLint config to Biome — maps 100+ rules from core, TypeScript, React, JSX-A11y, and import plugins to biome.json
AI Code Security Scanner
Scan JavaScript and TypeScript code for vulnerabilities — hardcoded secrets, injection, XSS, SSRF, prototype pollution, and 20+ security checks
Code Complexity Analyzer
Analyze JavaScript and TypeScript code for cyclomatic complexity, cognitive complexity, nesting depth, and maintainability index with per-function metrics
HTTP Request Builder
Build HTTP requests visually and generate code in cURL, JavaScript, Python, Go, Rust, and PHP — lightweight Postman/ReqBin alternative
GitHub Actions Validator
Validate GitHub Actions workflow YAML files for syntax, triggers, job structure, step config, needs dependencies, and deprecated actions
Tailwind to CSS Converter
Convert Tailwind CSS utility classes to standard CSS — supports 500+ classes including spacing, layout, typography, transforms, and arbitrary values
.env to Docker/K8s Converter
Convert .env files to Docker Compose environment blocks, Kubernetes ConfigMaps, Secrets, and docker run flags with sensitive key detection
JSON ↔ XML Converter
Convert JSON to XML and XML to JSON instantly — handles nested objects, arrays, attributes, CDATA sections, and XML declarations
CSS Unit Converter
Convert between px, rem, em, pt, vw, vh, and % — single values or batch-convert entire CSS files with configurable base font size
HTML Table Generator
Build HTML tables visually with an interactive editor — add rows, columns, header rows, captions, and styling. Export as plain HTML, inline CSS, or Tailwind classes
Aspect Ratio Calculator
Calculate aspect ratios from any dimensions, resize while preserving proportions, and find equivalent sizes. Device presets for phones, tablets, monitors, and social media
CSS Clip-path Generator
Create CSS clip-path shapes visually — circle, ellipse, inset, or polygon with draggable points. 13 shape presets, interactive preview, and production-ready CSS output
CSS Filter Generator
Build CSS filter effects visually — blur, brightness, contrast, grayscale, hue-rotate, invert, opacity, saturate, sepia, and drop-shadow with 12 presets and live preview
XPath Tester
Test XPath expressions against XML data with real-time evaluation — select elements, filter by attributes, navigate axes, and use XPath functions
SQL Playground
Run SQL queries in your browser with a full SQLite database powered by WebAssembly — practice JOINs, CTEs, window functions, aggregations, and more