All tools.

Format and beautify JSON data with syntax highlighting and collapsible tree view.

Minify and compress JSON by removing all whitespace.

Validate JSON syntax and get descriptive error messages with line numbers.

Compare two JSON objects and visualize the differences.

Convert JSON data to YAML format instantly.

Convert JSON arrays to CSV format, ready to open in Excel.

Generate TypeScript interfaces and types from JSON data.

Generate Go struct definitions from JSON data.

Test JSONPath expressions against JSON data and see results instantly.

Generate a JSON Schema from any JSON document automatically.

Generate Python TypedDict or dataclass definitions from JSON data.

Generate Rust structs with serde derive attributes from JSON data.

Generate Kotlin data classes with Gson annotations from JSON data.

Generate Swift Codable structs from JSON data.

Generate C# records or classes with JsonPropertyName attributes from JSON data.

Generate Dart classes with fromJson/toJson helpers from JSON data.

Generate Zod validation schemas and TypeScript types from JSON data.

Generate Java records with Jackson annotations from JSON data.

Generate PHP 8+ typed classes with fromArray hydration from JSON data.

Generate Yup validation schemas from JSON data.

Generate an OpenAPI Schema Object from JSON data.

Generate a MySQL CREATE TABLE statement from JSON data.

Convert JSON data to XML markup with configurable root and pretty-printing.

Convert JSON data to INI configuration file format.

Convert JSON data to .env / properties style KEY=value lines.

Convert JSON data to TOML configuration format.

Interactive collapsible tree view for exploring and navigating JSON data.

Convert text between camelCase, snake_case, PascalCase, UPPER_CASE, kebab-case, and more.

Count words, characters, sentences, paragraphs, and reading time.

Generate URL-friendly slugs from any text string.

Write Markdown and preview the rendered HTML output in real-time.

Compare two text blocks side by side and highlight the differences.

Generate placeholder lorem ipsum text in paragraphs, words, or lists.

Test regular expressions with real-time match highlighting, flags, and capture groups.

Bulk find and replace text with support for regex and case sensitivity.

Sort lines alphabetically, numerically, reverse or randomly.

Remove duplicate lines from text, keeping unique lines only.

Strip Markdown syntax and convert it to clean plain text.

Convert text to ASCII art using block character fonts.

Deep-inspect any string: byte length, entropy, character types, encoding, line endings.

Parse any URL into its components: protocol, host, path, query params, and hash.

Parse and edit URL query strings with key-value table view.

Parse User-Agent strings to detect browser, OS, device type, and engine.

Convert between units of length, weight, temperature, area, volume, speed, and more.

Press any key to see its keyCode, key name, code, and event properties.

Calculate Flesch Reading Ease and Flesch-Kincaid Grade Level for any text.

Extract and rank the most frequent keywords and phrases from any text.

Reverse text by character, word order, per-word letters, or line order.

Check if a phrase is a palindrome and find palindromic substrings within text.

Convert text to binary and binary back to text, with full UTF-8 support.

Generate cursed glitch text using combining Unicode diacritical marks, or remove it.

Check if two words are anagrams, or find anagrams of a word from a built-in word list.

Strip emoji characters from text and see a summary of what was removed.

Encode text or files to Base64 format for safe data transmission.

Decode Base64 encoded strings back to plain text or binary data.

Percent-encode and decode URLs and query string parameters.

Encode and decode HTML entities like &, <, >, and more.

Convert between hexadecimal, decimal, binary, and octal number systems.

Look up Unicode code points, search by character name, and convert between encodings.

Decode and inspect JWT tokens — header, payload, and signature — without verification.

Encode and decode data using Bitcoin Base58 and Base58Check encoding.

Convert numbers between binary, octal, decimal, hex, and any base from 2–36.

Convert files to Base64 data URLs and decode data URLs back to files.

Encode and decode data using RFC 4648 Base32 — used in TOTP secrets and DNSSEC.

Encode and decode data using Base62 — ideal for URL-safe short IDs.

Encode and decode data using Ascii85/Base85, as used in PDF and PostScript.

Convert text to Morse code and back using the international Morse alphabet.

Encode and decode text using the ROT13 and ROT47 substitution ciphers.

Convert internationalized domain names (IDN) to and from Punycode (ACE).

Encode and decode Quoted-Printable text as used in email MIME content.

Generate MD5, SHA-1, SHA-256, SHA-512, and SHA-3 hashes from text or files.

Generate strong, random passwords with configurable length and character sets.

Generate RFC 4122 UUIDs (v1, v4, v5, v7) individually or in bulk.

Check the strength of a password using entropy analysis and common patterns.

Hash and verify passwords using the bcrypt algorithm securely in the browser.

Generate HMAC signatures using SHA-256, SHA-512, or MD5 with a secret key.

Generate cryptographically secure random strings, tokens, and API keys.

Generate Universally Unique Lexicographically Sortable Identifiers (ULIDs).

Generate HTTP Basic Authentication headers from username and password.

Generate RSA public/private key pairs (2048/4096-bit) in PEM format using Web Crypto API.

Encrypt and decrypt text using AES-256-GCM with PBKDF2 key derivation — all client-side.

Generate BIP39 mnemonic seed phrases (12–24 words) for cryptocurrency wallets.

Format and beautify CSS code with consistent indentation and spacing.

Minify CSS by removing comments, whitespace, and redundant rules.

Visually build CSS box shadows with live preview and code output.

Visually design CSS border-radius shapes with a live preview.

Build CSS flexbox layouts visually with live code output.

Create beautiful glassmorphism effects with backdrop-filter and live preview.

Visually build CSS clip-path shapes with draggable points and live preview.

Visually build CSS filter effects — blur, brightness, contrast, and more — with live preview.

Visually build CSS transforms — translate, rotate, scale, skew — with live preview.

Generate soft-UI neumorphic box-shadow effects with live preview and code output.

Generate colorful multi-point mesh gradient backgrounds with live preview.

Generate pure CSS triangles using the border trick, with live preview.

Interactive reference for all CSS cursor types with live hover demo.

Optimize and minify SVG files by removing unnecessary attributes and whitespace.

Convert SVG code to CSS background-image data URI for inline use.

Generate organic random blob shapes as SVG with adjustable complexity and instant copy.

Build a modular type scale from a base size and ratio, with generated CSS custom properties.

Visually build CSS Grid layouts with track sizing, gaps, and grid-template-areas.

Format and beautify HTML markup with proper indentation.

Minify HTML by removing whitespace, comments, and optional tags.

Write HTML and instantly preview the rendered output in a sandboxed frame.

Convert Markdown to clean HTML markup ready to embed.

Convert HTML markup to clean Markdown, including tables and lists.

Remove unsafe HTML tags and attributes while keeping safe markup.

Extract plain text from HTML, preserving structure and optionally converting links.

Validate HTML structure for common errors, missing attributes, and accessibility issues.

Format and beautify JavaScript code with proper indentation and structure.

Minify JavaScript code for production by removing whitespace and comments.

Format and validate YAML configuration files.

Convert YAML to JSON format with one click.

Convert YAML configuration files to TOML format.

Convert an array of YAML records into CSV format.

Convert YAML documents to XML markup.

Format, validate, and minify TOML configuration files.

Convert TOML configuration files to JSON format.

Convert TOML configuration files to YAML format.

View and explore CSV data in a formatted, searchable table.

Convert CSV files or data to JSON arrays.

Generate SQL INSERT statements from CSV data.

Convert CSV data into structured YAML.

Convert CSV data into a TOML array of tables.

Convert CSV data into XML markup.

Format, beautify, and minify XML documents with syntax validation.

Validate XML documents and get detailed error messages with line numbers.

Minify XML by removing whitespace and comments to reduce file size.

Convert XML documents to JSON format with attribute and namespace support.

Convert XML documents to YAML format.

Test XPath expressions against XML documents and see matching nodes.

Format and beautify SQL queries for readability.

Convert SQL INSERT statements into a JSON array of row objects.

Convert SQL INSERT statements into CSV data.

Convert between Unix timestamps and human-readable dates in any timezone.

Build and parse cron expressions with a visual editor and next-run preview.

Convert times between any two timezones with DST awareness.

Calculate the exact difference between two dates in days, months, years, and more.

Complete reference for all HTTP status codes with descriptions and use cases.

Search and browse all MIME types and their associated file extensions.

Calculate IP ranges, subnet masks, and broadcast addresses from CIDR notation.

Validate IPv4 and IPv6 addresses and get detailed information.

Look up well-known TCP/UDP ports and their associated services.

View detailed browser, device, screen, and hardware information.

Calculate Unix file permissions with a visual toggle grid and symbolic/octal notation.

Generate QR codes for URLs, text, contact info, and more with custom sizes.

Generate HTML meta tags for SEO, Open Graph, and Twitter Cards.

Generate a robots.txt file for your website with custom rules.

Generate .gitignore files for any language, framework, or tool.

Generate realistic fake JSON data for API mocking and testing.

Generate beautiful SVG wave shapes for website backgrounds and sections.

Generate SVG placeholder images with custom size, color, and text — no external service.

Compress JPEG, PNG, and WebP images client-side using the Canvas API.

Crop images with precise pixel controls and aspect ratio presets — no upload needed.

Generate Code 128, EAN-13, and Code 39 barcodes as SVG in the browser.

Scan QR codes using your device camera or upload an image.

Focus timer with 25-minute work sessions, short breaks, and long breaks.

Generate JSON-LD structured data markup for articles, products, FAQs, and more.

Build cURL commands visually — set method, headers, auth, body, and options with a live cURL output.

Make HTTP requests directly from your browser — set method, URL, headers, and body, then inspect the response.

Build and visualize raw HTTP requests — see exactly what your request looks like on the wire.

Create and sign JWT tokens — set header, payload, and secret to generate a valid token.

Edit and validate OpenAPI specs with a live path/method summary and prettify tool.

Visually build GraphQL types, queries, and mutations into valid SDL output.

Convert Protocol Buffer .proto message and enum definitions into TypeScript interfaces.

Build a Postman Collection v2.1 JSON export with requests, headers, and folders.

Essential Git commands with explanations, examples, and quick copy.

Complete reference for CSS properties with browser compatibility notes.

Quick reference for regular expression syntax, flags, and patterns.

Complete reference for HTTP request and response headers.

Modern JavaScript ES6+ syntax reference — destructuring, async/await, arrays, classes, and more.

TypeScript reference covering types, generics, utility types, and type guards.

Python 3 reference — comprehensions, decorators, error handling, and modern syntax.

Go language reference — structs, interfaces, goroutines, channels, and generics.

Rust reference — ownership, borrowing, traits, pattern matching, and iterators.

SQL reference — joins, window functions, CTEs, aggregates, and transactions.

Advanced Git reference — interactive rebase, reflog, bisect, worktrees, and submodules.

Quick reference for React hooks, components, props, context, and performance patterns.

App Router reference — routing, data fetching, server actions, middleware, and rendering.

Vue 3 reference — template syntax, Composition API, components, slots, and routing.

Utility class reference for layout, spacing, typography, colors, and responsive design.

Angular reference — components, data binding, directives, services, and RxJS basics.

Express reference — routing, middleware, request/response objects, and error handling.

Django reference — models, migrations, views, URLs, templates, forms, and the ORM.

Flexbox reference — container/item properties, alignment, and common layout patterns.

CSS Grid reference — template columns/rows, placement, alignment, and layout patterns.

Reference for CSS transitions, keyframe animations, timing functions, and common patterns.

HTML5 reference — semantic elements, forms, media, global attributes, and basic APIs.

SVG reference — shapes, path data commands, gradients, transforms, filters, and animation.

Accessibility reference — ARIA roles, states, properties, and common accessible patterns.

SEO reference — meta tags, Open Graph, Twitter Cards, structured data, and Core Web Vitals.

Java syntax, collections, streams, generics, records, and switch expressions at a glance.

C# syntax, LINQ, async/await, records, pattern matching, and nullable reference types.

PHP syntax, arrays, string functions, superglobals, OOP, and modern PHP features.

Ruby syntax, blocks/procs/lambdas, arrays/hashes, enumerable methods, and symbols.

Server blocks, location matching, reverse proxy, SSL config, rewrites, and common directives.

Common cmdlets, pipeline operators, variables, control flow, and comparison operators.

Vim/Neovim modes, movement, editing, visual mode, search/replace, registers, and macros.

VS Code keyboard shortcuts for editing, navigation, multi-cursor, search, and debugging.

Common commands for npm, Yarn, and pnpm side by side — install, scripts, workspaces, and more.

systemctl commands, journalctl usage, unit file anatomy, timers, and troubleshooting.

Complete reference for Docker CLI commands — containers, images, volumes, networks, and Compose.

Searchable reference for essential Linux/Unix commands with examples, flags, and descriptions.

kubectl reference — resources, deployments, rollouts, debugging, and troubleshooting.

Terraform/OpenTofu reference — CLI commands, resource blocks, variables, and state management.

Bash scripting reference — variables, arrays, loops, functions, and redirection.

Build a Dockerfile visually with base image presets, COPY/RUN/ENV rows, and multi-stage builds.

Build a docker-compose.yml with multiple services, ports, volumes, and dependencies.

Generate an Nginx server block for static sites or reverse proxies.

Build .env and .env.example files from common presets or custom key-value pairs.

Build a Makefile with targets, prerequisites, and commands using correct tab indentation.

Generate an .editorconfig file with root settings and per-file-type overrides.

Build a .prettierrc configuration with all common formatting options.

Build an .eslintrc.json configuration with environments, extends, and custom rules.

Evaluate mathematical expressions safely — supports arithmetic, trig, logs, sqrt, and more.

Check if a number is prime, find primes up to N, prime factorization, and nearest prime finder.

Calculate percentages, percent change, and percent increase/decrease instantly.

Compute mean, median, mode, variance, standard deviation, and quartiles from a list of numbers.

A full scientific calculator with trig, logs, powers, and memory functions.

Generate random integers or decimals within a range, with optional uniqueness and precision controls.

Add, subtract, multiply, transpose, and invert matrices with determinant calculation.

Solve right triangles — find the missing side, area, perimeter, and angles.

Calculate Body Mass Index from height and weight, with metric and imperial units.

Add, subtract, multiply, and divide fractions, and simplify to lowest terms.

Get complete color info: HEX, RGB, HSL, HSV, CMYK, and color harmonies.

Pick colors and convert between HEX, RGB, HSL, HSV, and CMYK — with color harmonies and palette export.

Check WCAG 2.1 AA/AAA color contrast ratios for foreground and background pairs.

Generate beautiful color palettes from a base color — shades, tints, complements, and harmonies.

Create CSS linear, radial, and conic gradients visually with full CSS output and copy.

Resize images to exact dimensions or presets entirely in your browser, with format and quality control.

Convert images between PNG, JPEG, and WebP formats directly in your browser.

Generate a full favicon set (16x16 to 512x512) from any source image, with ready-to-use HTML tags.

Convert SVG markup or files to PNG images with custom output size.

Convert raw SVG markup into a ready-to-use React JSX component.

Paste a base64 string or data URL to preview, inspect, and download the decoded image.

Convert plain text into bold, italic, script, and other stylized Unicode text variants.

Convert font sizes between px, rem, em, pt, and percent, with a quick reference table.

Preview heading and body font combinations with curated pairing presets.

Build a CSS font-family fallback stack from presets or custom fonts.

Add options and randomly spin to pick a winner — great for quick decisions.

Randomly pick one or more names from a list, with exclusion and history tracking.

Count down to a target date/time or a set duration, with quick-add time buttons.

Track daily habits with a weekly grid, streak counts, and local browser storage.

A precise stopwatch with lap tracking, fastest/slowest lap highlighting.