Convert a JSON array of objects to a clean CSV file instantly — headers auto-detected from your keys, values correctly quoted, download-ready. No spreadsheet skills needed, nothing leaves your browser.
Convert any JSON object into Go struct definitions with correct json struct tags, proper Go type mappings, nested struct decomposition, pointer types for nullable fields, and omitempty tags — paste the output directly into your Go package and start unmarshaling immediately.
Convert any JSON object or array into ready-to-run MongoDB insertOne, insertMany, update, or find queries, TypeScript Mongoose schemas, and MongoDB $jsonSchema validators with BSON type inference.
Convert any JSON object or array into a PostgreSQL CREATE TABLE schema and INSERT statements instantly. Intelligently maps JSON types to PostgreSQL data types, uses JSONB for nested objects and arrays, generates SERIAL PRIMARY KEY, and handles nullable fields correctly. Runs entirely in your browser — no data transmitted.
Convert any JSON object to well-formed XML instantly. Maps JSON objects to XML elements, arrays to repeating elements, and produces properly indented, valid XML with a configurable root element — ready for SOAP integrations, legacy system APIs, XML-based configuration formats, and any system that requires XML over JSON.
Convert any JSON object or array to clean, readable YAML instantly. Preserves data types, handles nested objects and arrays with correct indentation, and produces valid YAML compatible with Kubernetes manifests, Docker Compose, GitHub Actions, Helm charts, Ansible playbooks, and any other YAML-based configuration format.
Convert XML document payloads to clean, structured JSON format with real-time tuning parameters for attribute mapping, namespace stripping, type-casting, text keys, and root-tag wrapping.
Validate XML for syntax errors and well-formedness instantly in your browser. Paste any XML document, API response, configuration file, or data feed to check for unclosed tags, incorrect nesting, invalid characters, and structural violations — with exact line numbers for every error found.
Convert any CSV file or pasted tabular data into a structured JSON array of objects, array of arrays, keyed dictionary, or NDJSON (JSON Lines) instantly. Automatically detects common delimiters (comma, semicolon, tab, pipe), parses RFC 4180 compliant quoted fields, auto-detects data types, allows schema column customization, and strips Excel UTF-8 BOM characters. Runs 100% privately in your browser.
Convert any CSV file or pasted data into optimized SQL INSERT statements instantly. Generates properly escaped INSERT INTO statements for MySQL, PostgreSQL, SQLite, and SQL Server. Supports data type auto-detection, custom table names, bulk multirow insertion, and schema generation.
Format and beautify SQL queries instantly in your browser. Paste any raw, minified, or single-line SQL and get back a clean, properly indented, keyword-capitalized query - supports Standard SQL, MySQL, PostgreSQL, and more.
Validate, format, and audit SQL queries across 6 different database dialects: PostgreSQL, MySQL, SQLite, SQL Server, Oracle, and standard ANSI SQL. Features real-time line-annotated syntax checking, detailed table/column structure analysis, and critical security audits to detect dangerous unconstrained updates and SQL injection risks.
Format, prettify, and validate HTML5 code instantly in your browser. Paste minified, messy, or framework-generated HTML to get back clean, consistently indented markup — with unclosed tags, nested block elements inside inline tags, and structural errors highlighted by line number.
Perform advanced URL encoding and decoding with deep analysis. Includes standard RFC 3986 percent-encoding, strict component escaping, space-to-plus (+) form conversion, and entire-URI path preservation. Features a live URL query parameter parsing grid, double-encoding warning guards, and an interactive comparative reference flowchart.
Deconstruct and analyze raw User-Agent strings. Real-time browser, OS, device, and rendering engine parsing with security audits and client capability checks.
Perform ultra-secure AES encryption and decryption entirely in your browser. Customize key bit depths (128, 192, 256 bits), select custom block cipher chaining modes (CBC, CTR, CFB, OFB, ECB), configure PKCS7 or Zero padding, generate random key material, and visualize data routing via an interactive cryptographic flowchart.
Decode and inspect JSON Web Tokens instantly in your browser. Paste any JWT to extract and read the header, payload, and signature — no libraries, no installs, your token never leaves your machine.
Create professional multi-resolution .ico files, PNG favicons, Apple Touch Icons, and web manifests from uploaded images, text monograms, or emojis with custom backgrounds, shapes, and gradients.
Convert JSON objects into Apache Avro schema definitions instantly. Generates valid Avro 1.8+ record schemas with correct type mappings, nullable union types for null fields, nested record types, and array types — ready to register in Confluent Schema Registry or use directly with Kafka producers and consumers.
Convert any JSON object into strongly-typed C# classes instantly. Generates proper C# properties with correct types, JsonProperty attributes for Newtonsoft.Json, JsonPropertyName for System.Text.Json, and supports nested objects, arrays, nullable types, and C# 9+ record types.
Convert JSON objects into ready-to-run CouchDB cURL commands for document insertion. Generates single-document PUT requests, bulk _bulk_docs POST commands, and handles _id and _rev fields correctly — paste the output directly into your terminal.
Convert any JSON object into null-safe Dart classes with fromJson and toJson factory methods, correct Dart type mappings, nullable type handling, nested class decomposition, and immutable final fields — ready to paste into your Flutter or Dart project.
Convert JSON objects into Elm type aliases and JSON decoders instantly. Generates idiomatic Elm 0.19 code with correct type mappings, elm/json Decoder pipeline syntax, and handles nested objects, arrays, Maybe types, and custom types — paste the output directly into your Elm module.
Convert any JSON object into io-ts codec definitions with correct type primitives, t.type for objects, t.array for lists, t.union for nullable fields, and TypeOf type aliases — ready to use for runtime validation of API responses, webhook payloads, and any external data entering your TypeScript application.
Convert any JSON object or array into clean Java POJO classes instantly. Generates private fields with correct Java types, getters and setters, Jackson annotations for camelCase JSON key mapping, Lombok @Data support to eliminate boilerplate, nested class decomposition, and List types for JSON arrays. Runs entirely in your browser — no data transmitted.
Convert a JSON object or API response into an OpenAPI 3.0 (Swagger) specification instantly. Auto-generates schemas, paths, and component definitions - giving you a working spec scaffold without writing YAML by hand.
Convert any JSON object into Ruby classes with attr_accessor declarations, an initialize method that maps JSON keys to Ruby attributes, camelCase to snake_case field name conversion, nested class decomposition, and a from_json class method — paste directly into your Ruby or Rails project.
Convert any JSON object into Rust structs with serde Serialize and Deserialize derives, correct Rust type mappings, Option for nullable fields, nested struct decomposition, and serde(rename) attributes for camelCase JSON fields — paste directly into your Rust project and compile.
Convert JSON objects into Sequelize model definitions with correct DataTypes, primaryKey detection, allowNull handling, timestamps options, and module.exports — ready to paste into your Node.js project and use immediately with MySQL, PostgreSQL, SQLite, or MSSQL.
Convert any JSON object or array into clean Swift structs conforming to Codable instantly. Generates correct Swift type mappings, Optional properties for nullable fields, nested struct decomposition, CodingKeys enums for camelCase JSON keys, and array type annotations. Runs entirely in your browser — no data transmitted, no Xcode required.
Convert, prettify, and parse YAML documents into clean, structured JSON format instantly. Features include anchor/alias expansion, multi-document parsing strategies, alphabetic key sorting, and custom indentation options.
Create high-res custom QR codes with logo uploads, colored frames (like 'Scan Me'), and custom themes. Supports URLs, Wi-Fi setups, contact vCards, emails, SMS, and calls. Download in PNG, JPEG, or scalable vector SVG formats with zero tracking and full privacy.
Generate cryptographically secure UUID v4, database-optimized v7, and custom formatted GUIDs instantly — ready to paste into your database, API, test fixtures, or code. Features time-ordered tracking, Microsoft GUID representations, Base64 conversion, and interactive structural decoding.
Encode and decode any text, URL, or binary data instantly with premium options. Supports Standard RFC 4648, URL-Safe base64url, Hex-to-Base64 cross-conversions, direct drag-and-drop file encoding/decoding, batch line conversion, and visual bit-level mathematical mathematical explanations.
Convert numbers of any size between Binary, Octal, Decimal, Hexadecimal, and any custom base (2-36). Features fractional float conversion, signed two's complement representations, step-by-step conversions, and an interactive 32-bit visualization grid.
Generate and explain cron expressions instantly. Build schedules visually with presets (minutely, hourly, daily, weekly, monthly) or type any cron string to get a plain-English explanation of exactly when it runs — with the next 5 execution times shown.
Perform advanced regular expression testing, debugging, and live analysis. Features a real-time pattern AST token explainer, a full substitution/replace engine with backreference support ($1, $2), an interactive cheat sheet quick-injector, and a library of pre-configured standard patterns (Email, URL, IP, HTML, Date). View detailed capture groups and index offsets instantly.
Convert Unix timestamps to human-readable dates instantly — and convert dates back to Unix timestamps. Shows both UTC and local timezone. Detects seconds vs milliseconds automatically. Includes a Reset to Now button for the current timestamp.