Developer Utilities & Code Studio
Format JSON, test REST endpoints, inspect JWT tokens, debug Regular Expressions, generate Docker configurations, and convert data structures—all processed in your local browser with zero server uploads.
API Tester
Test REST API endpoints live in your browser with custom HTTP methods, headers, query params, and body.
REST API Client
Lightweight, postman-like browser REST client for debugging and testing web services.
API Documentation Generator
Generate clean, markdown and HTML API documentation from endpoint definitions and JSON payloads.
GraphQL Playground
Test GraphQL queries and mutations with variables and custom authentication headers.
Webhook Tester
Inspect, test, and simulate webhook payloads, event triggers, and signature verifications.
cURL Command Generator
Build custom cURL commands visually with method, headers, auth tokens, query params, and body.
cURL to Code Converter
Convert cURL commands into JavaScript Fetch, Python Requests, Node.js Axios, Go, and PHP.
HTTP Request Builder
Construct HTTP request specs with headers, query parameters, cookies, and payloads.
JSON Formatter
Beautify, indent, format, and organize raw JSON data with syntax highlighting and instant error checking.
JSON Validator
Validate JSON syntax according to strict RFC 8259 specifications with exact error line indicators.
JSON Minifier
Compress JSON data by stripping whitespace and newlines for maximum payload compression.
JSON to CSV Converter
Convert JSON arrays and nested objects into clean spreadsheet CSV files for Excel and Sheets.
CSV to JSON Converter
Transform CSV tabular data into clean, structured JSON arrays with automatic type detection.
XML Formatter
Format, indent, and prettify XML documents with proper tag indentation and structure.
XML to JSON Converter
Convert XML data documents into structured JSON objects in real-time.
YAML Formatter
Validate and format YAML files with correct 2-space indentation and key alignment.
YAML to JSON Converter
Convert YAML configuration files into JSON format and vice-versa.
JSON to TypeScript Converter
Generate clean TypeScript interfaces and types from any JSON object or API response.
TypeScript Interface Generator
Generate strict TypeScript interfaces, type aliases, and enums from raw data structures.
JSON to Go Struct Converter
Generate Go (Golang) struct definitions with json struct tags from sample JSON.
JSON to Python Class Converter
Convert JSON into Python dataclasses or Pydantic models with type hints.
JSON to SQL Converter
Generate SQL CREATE TABLE schemas and INSERT INTO statements from JSON arrays.
SQL to JSON Converter
Convert SQL INSERT statements or dump text into JSON arrays.
JSON Schema Generator
Infer draft-07 JSON Schema specifications automatically from sample JSON payloads.
OpenAPI/Swagger Generator
Generate OpenAPI 3.0 YAML and JSON endpoint specifications from routes and payloads.
Postman Collection Generator
Convert API endpoint lists and request definitions into Postman Collection v2.1 format.
JSON to Dart Converter
Convert JSON into Flutter / Dart model classes with fromJson and toJson serialization.
JSON to Kotlin Converter
Convert JSON into Kotlin data classes with @SerializedName annotations for Android.
JSON to C# Converter
Generate C# POCO classes with System.Text.Json / Newtonsoft attributes from JSON.
JSON to Java Class Converter
Convert JSON into Java POJO classes with Jackson / Gson annotations and getters/setters.
Code Formatter
Universal multi-language code formatter: JavaScript, TypeScript, HTML, CSS, SQL, JSON, and Python.
Code Minifier
Strip comments, spaces, and line breaks to compress JS, CSS, and HTML code payloads.
Code Beautifier
Prettify and clean up messy code with consistent indentation and bracket alignments.
HTML Formatter
Indent HTML DOM structures, balance opening and closing tags, and clean up inline markup.
CSS Formatter
Format CSS stylesheets, expand rules, indent declarations, and standardize selectors.
JavaScript Formatter
Beautify JavaScript code, format ES6+ syntax, arrows, loops, and object literals.
TypeScript Formatter
Format TypeScript files with interfaces, generic types, enums, and decorated classes.
SQL Formatter
Capitalize keywords, indent subqueries, and beautify complex SQL queries.
SQL Query Formatter
Beautify database queries with uppercase SQL keywords and structured clause indentation.
Python Formatter
Clean up Python indentation, PEP8 spacing, docstrings, and function definitions.
Java Formatter
Format Java source code, classes, methods, and braces with clean standard indentation.
PHP Formatter
Format PHP scripts, PSR conventions, arrays, and classes with clean indentation.
SVG Optimizer
Clean and minify SVG vector markup, remove unnecessary metadata, and shrink file sizes.
Base64 Encoder / Decoder
Encode and decode text and binary data into Base64 format with live preview and URL-safe mode.
URL Encoder / Decoder
Encode query parameters and decode percent-encoded (%20) URI strings safely.
HTML Encoder / Decoder
Convert special characters into HTML entities (<, >, &) to prevent XSS vulnerabilities.
JWT Decoder
Inspect JSON Web Tokens: decode header, payload claims, expiration dates, and verify structure.
JWT Generator
Generate signed JSON Web Tokens with custom payload claims, secret key, and expiration.
UUID Generator
Generate cryptographically secure Version 4 (v4) and Version 1 (v1) UUIDs in bulk.
GUID Generator
Generate Microsoft GUIDs with C#, C++, Registry, and braced formats.
Hash Generator
Calculate MD5, SHA-1, SHA-256, and SHA-512 cryptographic hashes simultaneously.
SHA-256 Generator
Generate 256-bit cryptographic SHA-256 hashes using browser SubtleCrypto.
MD5 Generator
Generate 128-bit MD5 checksum hashes for checksums and file validation.
Password Generator
Generate high-entropy, cryptographically strong passwords with custom length and symbol sets.
Bcrypt Hash Generator
Generate salted Bcrypt hashes and verify plain text against existing Bcrypt hashes.
HMAC Generator
Generate Keyed-Hash Message Authentication Codes using SHA-256 and custom secret keys.
API Key Generator
Generate secure, random API keys and developer secrets with custom prefixes (sk_live_, pk_test_).
Regex Tester
Test regular expressions in real-time with match highlighting, capture groups, and replacement tests.
Regex Generator
Generate common regular expressions: email, URL, phone, UUID, IPv4, date, and slugs.
Regex Cheat Sheet
Quick reference cheat sheet for regex tokens, character classes, quantifiers, and anchors.
Unix Timestamp Converter
Convert epoch seconds and milliseconds to human-readable UTC/Local dates and vice versa.
Cron Expression Generator
Generate standard 5-part and 6-part cron schedule expressions visually with minute/hour/day selectors.
Cron Expression Parser
Translate cron expressions into plain English descriptions and view upcoming scheduled run times.
Color Picker
Interactive color picker with HEX, RGB, HSL, and CMYK color code converters.
HEX to RGB Converter
Convert 3-digit and 6-digit HEX color codes into standard rgb() and rgba() formats.
RGB to HEX Converter
Convert red, green, and blue values (0-255) into standard CSS hexadecimal codes.
Gradient Generator
Generate beautiful CSS linear and radial gradients with custom color stops and angle controls.
Glassmorphism Design Generator
Advanced Frosted Glassmorphism Studio: optical backdrop-blur, saturation boost, multi-tinted frosted glass, specular border reflections, floating background scenes, with standard CSS and Tailwind classes.
Neumorphism Design Generator
Advanced Soft UI generator: dynamic 4-way light angles, concave/convex gradients, pressed states, with CSS & Tailwind classes.
Claymorphism Design Generator
Advanced 3D Claymorphism studio: pillowy curvature, dual inner bevels, colored ambient floating shadows, matte/glossy/frosted finishes, with CSS and Tailwind classes.
Hero Section Generator
Design production-ready, high-converting modern hero sections visually with gradient typography, floating cards, and clean Tailwind CSS code.
Navbar Generator
Design production-ready, ultra-responsive modern navigation headers with mega-menus, slide-out mobile drawers, announcement tickers, and clean Tailwind CSS code.
CSS Box Shadow Generator
Design multi-layer box shadows visually with horizontal/vertical offsets, blur, spread, and inset controls.
CSS Border Radius Generator
Generate 8-value advanced organic border-radius curves with interactive draggable sliders.
CSS Clip Path Generator
Create polygon, circle, and ellipse CSS clip-path shapes with interactive preview points.
CSS Flexbox Generator
Interactive playground to test flex-direction, justify-content, align-items, gap, and flex-wrap.
CSS Grid Generator
Design CSS Grid layouts visually: set columns, rows, gap spacing, and grid-template-areas.
CSS Animation Generator
Build keyframe animations with bounce, pulse, fade, slide, spin, and duration controls.
CSS Transform Generator
Visual 2D and 3D transform tool: rotate, scale, skew, and translate with live canvas box.
Dockerfile Generator
Generate optimized multi-stage production Dockerfiles for Node.js, Python, Go, Rust, and PHP.
Docker Compose Generator
Build multi-container docker-compose.yml files with app, PostgreSQL, Redis, and Nginx services.
Kubernetes YAML Generator
Generate Kubernetes manifests: Deployment, Service, Ingress, and ConfigMap YAML files.
Nginx Config Generator
Generate secure Nginx reverse proxy configs with SSL, gzip, static caching, and rate limiting.
Apache Config Generator
Generate .htaccess files for URL rewrites, SSL redirection, browser caching, and security headers.
Git Ignore Generator
Generate comprehensive .gitignore files combining presets for Node, Python, Java, macOS, and IDEs.
Git Command Generator
Interactive Git command builder for branching, rebasing, cherry-picking, stash, and undoing commits.
Commit Message Generator
Generate Conventional Commits (feat, fix, docs, refactor, chore) with proper scopes and breaking change tags.
Semantic Version Generator
SemVer 2.0 calculator: calculate Major, Minor, Patch, and Pre-release version bumps.
Changelog Generator
Generate Keep a Changelog markdown files with Added, Changed, Deprecated, and Fixed sections.
License Generator
Generate open source licenses: MIT, Apache 2.0, GNU GPL v3, BSD 3-Clause, ISC, and Unlicense.
README Generator
Build professional GitHub README.md files with shields badges, features, installation, and license.
Package.json Generator
Generate Node.js / npm package.json manifests with dependencies, scripts, repository, and author.
.env File Generator
Generate structured .env environment configuration templates with cryptographic random keys.
Environment Variable Generator
Generate random, cryptographic secrets for JWT_SECRET, APP_KEY, and encryption passwords.
Meta Tag Generator
Generate HTML SEO meta tags: title, description, keywords, viewport, canonical, and robots.
Open Graph Tag Generator
Generate Open Graph (OG) and Twitter Card tags with live social media card previews.
Robots.txt Generator
Create robots.txt files with crawl rules for Googlebot, Bingbot, disallows, and sitemap URL.
Sitemap Generator
Generate XML sitemaps for Google Search Console with priority, changefreq, and lastmod tags.
QR Code Generator
Generate high-resolution QR codes for URLs, WiFi credentials, vCards, text, and email.
Barcode Generator
Generate standard Code 128, EAN-13, and UPC barcodes with customizable height and download.
Favicon Generator
Convert images or emojis into multi-resolution favicon packs with HTML link tags.
URL Shortener
Simulate and generate short URLs, link slugs, and track redirection destinations.
QR Code API Generator
Generate dynamic QR code image URLs that can be embedded into <img> tags in any website.
HTML Email Template Builder
Generate bulletproof table-based responsive HTML email layouts compatible with Outlook and Gmail.
Email Template Previewer
Preview and test HTML emails inside responsive desktop, tablet, and mobile device frames.
Email Header Analyzer
Parse raw RFC 822 email headers to inspect SPF, DKIM, DMARC, message delivery hops, and delay times.
User Agent Parser
Parse navigator User Agent strings to extract browser name, version, OS, device model, and rendering engine.
Device Information Checker
Inspect hardware concurrency, screen resolution, color depth, pixel ratio, platform, and memory limits.
Browser Information Checker
Check browser capabilities: cookies enabled, WebGL support, language, online status, and service workers.
Screen Resolution Checker
Measure viewport width, viewport height, screen resolution, device pixel ratio, and CSS breakpoints.
HTTP Status Checker
Comprehensive catalog of all HTTP status codes (1xx, 2xx, 3xx, 4xx, 5xx) with RFC definitions and troubleshooting.
HTTP Header Checker
Lookup and audit standard HTTP request and response security headers (HSTS, CSP, X-Frame-Options).
IP Address Lookup
Inspect client IP address, geographical location, ISP, organization, and ASN details.
IP Address Validator
Validate IPv4 and IPv6 formats, calculate CIDR subnet masks, broadcast address, and host ranges.
DNS Lookup
Query DNS records (A, AAAA, CNAME, MX, TXT, NS) using secure DNS-over-HTTPS (DoH).
Domain WHOIS Lookup
Inspect domain registrar, creation date, expiration date, status codes, and name servers.
SSL Certificate Checker
Inspect SSL/TLS certificate validity, issuer authority, expiration date countdown, and protocol.
Ping Test
Measure network latency, HTTP round-trip time (RTT), and server responsiveness.
Port Scanner
Common network port directory and port connectivity reference guide (HTTP, SSH, MySQL, Redis).
Redirect Checker
Trace URL redirect chains (301 Moved Permanently, 302 Found, 307, 308) to verify final destinations.
Website Uptime Checker
Check if a website is up or down, verify server availability, and test HTTP response status.
Website Speed Test
Analyze web page loading performance: DNS lookup, TCP connect, TTFB, and DOM content load.
Page Size Checker
Calculate HTML payload weight, response bytes, and potential gzip/brotli compression savings.
SQL Query Builder
Visual query builder: construct SELECT, FROM, WHERE, JOIN, ORDER BY, and LIMIT statements easily.
Database Schema Generator
Define tables, columns, primary keys, and foreign keys to generate DDL schemas for MySQL, Postgres, and SQLite.
ER Diagram Generator
Generate Mermaid.js Entity-Relationship (ER) diagram definitions from database schema models.
Image to Base64 Converter
Convert PNG, JPG, WebP, and SVG images into data:image Base64 URIs for CSS and HTML <img> tags.
Base64 to Image Converter
Decode Base64 data URI strings into viewable, downloadable PNG and JPG image files.
Data URI Generator
Generate data: URIs for any file or text with proper MIME type headers.
Image Compressor
Compress JPG, PNG, and WebP images in your browser with adjustable quality slider and size comparison.
Image Resizer
Resize image dimensions by width, height, or percentage while maintaining aspect ratio.
Image Format Converter
Convert between PNG, JPG, WebP, and BMP image formats client-side in seconds.
SVG to PNG Converter
Rasterize vector SVG files into crisp, high-resolution PNG images with transparent backgrounds.
PNG to SVG Converter
Embed or vectorize raster PNG images into scalable vector SVG containers.
Markdown Previewer
Split-screen live Markdown editor with GitHub Flavored Markdown (GFM), tables, checklists, and code blocks.
Markdown to HTML Converter
Convert Markdown text into semantic HTML markup ready for blog posts and web pages.
HTML to Markdown Converter
Convert HTML tags, tables, links, and lists into clean, readable Markdown syntax.
Diff Checker
Compare two code files or text snippets with split-screen and inline difference highlighting.
Text Compare Tool
Compare two text documents side-by-side to highlight character, word, and line differences.
Code Snippet Generator
Create beautiful syntax-highlighted code cards with themes, line numbers, and copyable embeds.
Lorem Ipsum Generator
Generate classic Latin placeholder dummy text by paragraphs, sentences, words, or lists.
Dummy Data Generator
Generate mock data records in JSON, CSV, and SQL with realistic names, emails, dates, and numbers.
Fake User Generator
Generate random user profiles with name, avatar, email, job title, company, address, and bio.
Random Name Generator
Generate randomized first names, last names, and full names in bulk.
Random Email Generator
Generate fake, disposable-looking, and corporate email addresses for QA testing.
Random Address Generator
Generate realistic fake street addresses, cities, states, ZIP codes, and countries.
Random Number Generator
Generate random integers and decimal numbers within custom minimum and maximum ranges.
Unicode Converter
Convert text to Unicode escape sequences (\uXXXX), code points, and back to text.
ASCII Converter
Convert text into decimal ASCII codes, octal, hex, and binary values.
Binary Converter
Convert text to 8-bit binary strings (01001000) and binary strings to readable text.
Decimal to Binary Converter
Convert base-10 decimal numbers into base-2 binary numbers and vice versa.
Hexadecimal Converter
Convert plain text to hexadecimal byte values and hex strings to ASCII text.
Octal Converter
Convert numbers between base-8 octal and base-10 decimal representations.
Number Base Converter
Convert numbers simultaneously across Binary (base 2), Octal (base 8), Decimal (base 10), and Hex (base 16).
Character Counter
Real-time character, letter, digit, space, symbol, and byte counter.
Word Counter
Live word count, sentence count, paragraph count, and reading time estimation.
Line Counter
Count total lines, non-empty lines, empty blank lines, and average characters per line.
Case Converter
Convert text between camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, and Title Case.
String Escape Tool
Escape special characters for JavaScript, JSON, SQL, HTML, RegEx, and C# strings.
String Unescape Tool
Unescape \n, \t, \", \', and unicode sequences back into raw readable text.
Text Sorter
Sort lines alphabetically (A-Z, Z-A), numerically, by line length, or in reverse order.
Duplicate Line Remover
Find and eliminate duplicate lines from text and lists with case-sensitive and trimming options.
Text Reverser
Reverse text character-by-character, reverse word order, or reverse entire line order.
Slug Generator
Generate clean, URL-friendly slugs from any title or text with customizable separators.
URL Slug Generator
Advanced URL slug builder with stop-words removal (a, an, the, in, of) for optimized SEO paths.
File Extension Lookup
Search over 500+ file extensions (.json, .ts, .wasm, .webp) with descriptions and associated apps.
MIME Type Lookup
Lookup standard IANA MIME types (application/json, text/html, image/webp) and their headers.