JSON Formatter & Validator
Format, validate, prettify, and minify your JSON data with clear syntax error detection and tree navigation.
Browse our complete catalog of browser-based utilities for text, calculations, developer formatting, and media.
Format, validate, prettify, and minify your JSON data with clear syntax error detection and tree navigation.
Format, indent, and prettify messy HTML, CSS, and JavaScript code instantly in your browser.
Format, indent, and uppercase keywords in complex SQL queries for maximum readability.
Format and indent raw XML strings with syntax validation and proper tag hierarchy.
Seamlessly convert between YAML and JSON configuration formats with syntax validation.
Minify and compress CSS stylesheets by removing comments and whitespace to accelerate web performance.
Compress JavaScript code by removing comments, blank lines, and unnecessary spaces.
Minify HTML code by stripping comments and redundant whitespace for faster webpage rendering.
Encode and decode UTF-8 text or convert image files to Base64 data URIs securely in your browser.
Encode and decode URLs, query strings, and URI components with full Unicode support.
Convert special characters to HTML entities and decode escaped HTML back to plain text.
Decode, inspect, and verify JSON Web Token headers, payloads, and expiration times safely.
Convert between plain text, hexadecimal, and binary number systems seamlessly.
Test and debug regular expressions in real-time with match highlighting and capture group extraction.
Visually create, customize, and understand cron job schedule expressions with plain-English explanations.
Calculate Linux/Unix file permissions with visual checkboxes, octal values (755, 644), and symbolic modes.
Convert cURL terminal commands into modern JavaScript fetch, Axios, PHP cURL, and Python requests code.
Generate cryptographically random UUID v4 identifiers individually or in bulk with custom formatting.
Generate cryptographically secure, URL-friendly unique IDs with custom lengths and alphabets.
Generate mock JSON test data with realistic user profiles, emails, addresses, and timestamps for API testing.
Generate SHA-256, SHA-512, SHA-1, MD5, and Bcrypt cryptographic hashes directly in your browser.
Compare two snippets of code or text to highlight added, removed, and modified lines side-by-side.
Escape and unescape special characters, quotes, and backslashes for JSON, JavaScript, SQL, and HTML.
Convert raw JSON payloads into clean, idiomatic Kotlin data classes with null-safety and serialization annotations.
Generate Java POJO classes with getters, setters, constructors, and Jackson/Gson annotations from JSON.
Convert JSON objects into Flutter Dart model classes with fromJson and toJson serialization methods.
Generate type-safe TypeScript interfaces and types from JSON objects and arrays in real time.
Quickly search and reference all HTTP status codes (1xx, 2xx, 3xx, 4xx, 5xx) with RFC specifications and causes.
Parse URL query parameter strings into structured JSON objects and convert JSON back into encoded query strings.
Construct, test, and send mock HTTP REST requests (GET, POST, PUT, DELETE) with headers and JSON payloads directly in-browser.
Normalize and sanitize messy URLs by resolving relative dots, trailing slashes, duplicate separators, and sort query parameters.
Generate production-ready Apache .htaccess rules for 301 redirects, HTTPS enforcement, Gzip compression, and security headers.
Generate optimized Nginx server blocks for PHP-FPM, reverse proxies, static SPAs, SSL certificates, and gzip compression.
Generate customized, curated .gitignore templates for Laravel, Node.js, Python, Flutter, Go, and IDE environments.
Generate Hash-based Message Authentication Codes (HMAC) using cryptographic secret keys and SHA algorithms for API signature verification.
Bi-directionally convert XML documents to structured JSON and JSON data into valid, properly indented XML tags.
Convert raw CSV or TSV tabular data into batch SQL INSERT statements with custom table names and escaped values.
Interactive visual spreadsheet editor to design, format, and generate GitHub Flavored Markdown (GFM) tables.
Extract tabular data from raw HTML <table> markup and convert it cleanly into structured JSON arrays or CSV files.
Preview, inspect, scale, and visualize raw SVG path (d attribute) commands with interactive canvas rendering.