Featured Product
Convert Tools
cURL to Axios
Convert curl commands to Axios code instantly. Supports async/await, promise chains, and config-only output. Handles headers, JSON bodies, form data, basic auth, cookies, and redirects.
cURL to Fetch
Convert curl commands to JavaScript fetch() code instantly. Supports async/await, promise chains, and bare fetch. Handles headers, JSON bodies, FormData, basic auth, and cookies.
cURL to Java
Convert curl commands to Java code instantly. Supports Java 11+ HttpClient (java.net.http), OkHttp, and Apache HttpClient 5. Handles headers, JSON bodies, form data, basic auth, cookies, and TLS options.
cURL to PHP
Convert curl commands to PHP code instantly. Supports PHP cURL extension, Guzzle HTTP client, and file_get_contents. Handles headers, JSON bodies, form data, basic auth, cookies, and TLS options.
cURL to Python Requests
Convert curl commands to Python code instantly. Supports requests, httpx (sync & async), and urllib. Handles headers, JSON bodies, form data, basic auth, cookies, and TLS options.
ENV to JSON
Convert .env files to JSON instantly in your browser. Handles comments, quoted values, duplicate keys, invalid lines, and optional smart type coercion.
JSON to C# Class
Convert JSON to C# classes instantly. Supports nested models, root arrays, nullable properties, DateTime detection, namespaces, and JSON serialization attributes.
JSON to Dart Class
Convert JSON to null-safe Dart classes instantly. Supports nested classes, root arrays, nullable types, int/double and DateTime detection, plus manual fromJson/toJson, json_serializable, and freezed for Flutter and Dart backends.
JSON to ENV
Convert JSON objects to .env files instantly. Supports quote modes, export prefixes, nested object serialization, arrays, and invalid key detection.
JSON to Go Struct
Convert JSON to Go struct definitions instantly. Supports nested objects, arrays, JSON tags, exported fields, and optional omitempty output.
JSON to Java Class
Convert JSON to Java classes instantly. Generate records, POJOs with getters and setters, or Lombok @Data classes with nested models, Integer/Long detection, java.time dates, and Jackson or Gson annotations.
JSON to Kotlin Data Class
Convert JSON to Kotlin data classes instantly. Supports nested classes, root arrays, nullable types, Int/Long detection, and kotlinx.serialization, Moshi, Jackson, and Gson annotations.
JSON to PHP Array
Convert JSON to PHP array code instantly. Supports short/long array syntax, single or double quotes, custom indentation, trailing commas, and nested structures.
JSON to Python Dataclass
Convert JSON to Python dataclasses instantly. Supports nested models, root arrays, Optional fields, list typing, and datetime detection.
JSON to Ruby Struct
Convert JSON to Ruby Structs instantly. Generates nested structs, arrays of structs, and a recursive from_h builder — with Struct (keyword_init), Data.define, or plain class output for Ruby and Rails.
JSON to Rust Struct
Convert JSON to serde-ready Rust structs instantly. Supports nested structs, root arrays, Option for nullable fields, Vec for arrays, i32/i64 detection, chrono dates, snake_case rename, and derive macros.
JSON to Swift Struct
Convert JSON to Swift Codable structs instantly. Supports nested structs, root arrays, optionals, CodingKeys, Hashable/Equatable conformance, Date detection, and public access for iOS and macOS.
JSON to TypeScript Interface
Convert JSON objects into TypeScript interface definitions instantly. Supports nested objects, arrays, and custom root interface names.
Postman to cURL Converter
Convert Postman collection JSON, item exports, or request JSON into copy-ready cURL commands. Supports headers, auth, query params, raw JSON, form data, and urlencoded bodies.
Dev Tools
C# DateTime Formatter
Two-way C# / .NET date formatter. Build and preview DateTime.ToString() output live, or paste an example date and detect the matching format string for ParseExact. Custom and standard specifier reference included.
ENV Diff Checker
Compare two .env files online, highlight added, removed, and changed variables, and catch duplicate or invalid lines before deployment.
Environment Variables Parser
Parse raw .env files into structured JSON, detect duplicate keys, flag syntax issues, and export clean environment variable lists online.
GraphQL Query Formatter
Format and beautify GraphQL queries, mutations, subscriptions, and fragments online. Pretty-print with 2/4-space or tab indentation, or minify to a single line — 100% client-side.
GraphQL Variables Formatter
Format GraphQL variables online. Paste a variables object or full GraphQL request body, auto-extract variables, validate JSON, sort keys, and wrap back into request payloads.
Java DateTimeFormatter
Two-way Java date formatter. Build and preview LocalDateTime.format() output live, or paste an example date and detect the matching DateTimeFormatter.ofPattern() string. Full pattern-letter reference included.
JSON Sorter
Sort JSON object keys alphabetically (A-Z or Z-A) with recursive or top-level depth, optional array sorting, case sensitivity, and four indent styles. Produces canonical, diff-friendly JSON entirely in your browser.
PHP DateTime Formatter
Two-way PHP date formatter. Build and preview date() / DateTime::format() output live, or paste an example date and detect the matching PHP format string. Full format-character reference included.
Python strftime Formatter
Two-way Python date formatter. Build and preview datetime.strftime() output live, or paste an example date and detect the matching strptime format string. Full directive reference included.
Generator
Curl Command Builder
Build cURL commands online with method, URL, headers, query params, auth, request body, and common options. Instant copy-ready output in your browser.
Diff Patch Generator
Generate unified diff and git-style patches between two text blocks. Configure context lines, file names, headers, ignore-whitespace and ignore-case options. Copy or download a ready-to-apply .patch file.
GraphQL Query Builder
Build GraphQL queries online with variables, field selection, JSON body preview, and copy-ready cURL output for fast API testing.
HTTP Header Builder
Build HTTP request headers visually and export as raw HTTP, cURL, JavaScript fetch, Python requests, or Node.js code. Header autocomplete, value presets, and copy-ready output.
Postman Collection Generator
Generate a Postman Collection (v2.1) JSON file from endpoint definitions, auth settings, variables, and request bodies. Live preview, copy, and download. Free online tool.
Query String Builder
Build and parse URL query strings online. Add key-value pairs, choose array styles (repeat, brackets, indices, comma), control encoding, sort, and copy ready-to-use query strings or full URLs.
Request Payload Builder
Build HTTP request payloads visually — JSON, form-data, URL-encoded, XML, GraphQL, and raw. Live preview with copy and download. Free online tool.
Slack Block Kit Builder
Build Slack messages visually with drag-and-drop blocks (section, divider, image, actions, context, header, input). Live Slack-style preview and copy-ready JSON payload for bots, webhooks, and Block Kit messages.