Developer Tools
All-in-one developer workspace with 300+ utilities: JSON/YAML/XML/CSV converters, code formatters, Base64/URL encoders, hash generators, regex debuggers, and model generators for Flutter, TypeScript, Go, and Dart.
All Tools in this Category89
JSON to GraphQL Schema Generator
Convert JSON objects and arrays into structured GraphQL Schema Definition Language (SDL) types with automatic type inference and query generation.
cURL to Go HTTP Converter
Convert cURL commands into clean, idiomatic Go (Golang) net/http requests with support for headers, timeouts, and JSON payloads.
JSON to Zod Schema Generator
Convert JSON payloads into robust TypeScript Zod schemas with automatic pattern inference (email, url, uuid, datetime) and type exports.
SQL to JSON Schema Converter
Convert PostgreSQL, MySQL, and SQLite CREATE TABLE DDL scripts into standard JSON Schema specifications with required validation rules.
Subnet Calculator
Calculate IPv4 CIDR network ranges, usable host IPs, and subnet masks.
JSON to C# Class Converter
Convert JSON data into strongly typed C# classes and records with System.Text.Json or Newtonsoft.Json serialization attributes for .NET applications.
JSON to Java Record Converter
Convert JSON data into concise, immutable Java Record classes (Java 17/21+) with Jackson serialization annotations for modern Spring Boot apps.
JSON to SQL Converter
Convert JSON data into standard SQL INSERT statements and CREATE TABLE DDL schemas for MySQL, PostgreSQL, and SQLite databases.
JSON Formatter
Format, beautify, validate, and auto-fix JSON syntax errors online in real time.
Base64 Encoder
Encode text, strings, and UTF-8 characters into standard Base64 representation.
YAML Validator
Validate YAML syntax against YAML 1.2 standards, identify indentation errors by line/column, and repair malformed YAML with 1-Click Auto-Fix.
UUID Generator
Generate random UUID v4 and time-ordered UUID v7 identifiers conforming to RFC 4122 and RFC 9562.
YAML to JSON Converter
Parse and convert YAML 1.2 configuration documents into structured, formatted, or minified JSON objects and arrays.
HTML Formatter
Format and beautify unindented or minified HTML5 markup with standardized 2-space indentation and clean parent-child tag hierarchy.
HTML Minifier
Minify and compress HTML documents by stripping whitespace, comments, and line breaks to optimize web page loading speeds and Core Web Vitals.
CSS Formatter
Format and beautify messy or minified CSS stylesheets with consistent indentation, selector spacing, and clean rule blocks.
CSS Minifier
Minify and compress CSS stylesheets by stripping whitespace, comments, and redundant characters to accelerate webpage render speeds.
JavaScript Formatter
Format and beautify unindented or minified JavaScript (ES6+) code with standardized 2-space indentation, clean spacing, and structural alignment.
JavaScript Minifier
Minify and compress JavaScript source code by stripping whitespace, comments, and newlines to accelerate web application execution speeds.
XML Formatter
Format, beautify, and indent minified XML documents and SOAP messages with clean, standardized XML tag hierarchies.
XML Validator
Validate XML syntax and document well-formedness against W3C standards, detecting unclosed tags, root element violations, and syntax errors.
Cron Expression Generator
Build standard POSIX crontab expressions visually using intuitive dropdowns and selectors for minutes, hours, days, months, and weekdays.
JSON to Dart Model Converter
Convert JSON data into null-safe Dart classes with factory fromJson() and toJson() serialization methods for Flutter mobile apps.
JSON to Java POJO Converter
Convert JSON data into Java POJO classes with getters, setters, constructors, and Jackson/Lombok annotations for Spring Boot.
JSON to Swift Codable Converter
Convert JSON data into idiomatic Swift structs conforming to the Codable protocol with automatic CodingKeys enum mapping for iOS and macOS.
JSON to C++ Class Converter
Convert JSON data into clean C++ structs and classes with nlohmann/json serialization bindings for embedded and systems programming.
JSON to Python Dataclass Converter
Convert JSON data into standard library Python @dataclass models with modern type annotations and zero third-party dependencies.
JSON to NDJSON Converter
Convert standard JSON arrays into Newline-Delimited JSON (NDJSON / JSONLines) where each individual line is a valid standalone JSON object.
JSON to TOML Converter
Convert JSON data structures into human-readable TOML configuration format for Rust, Python, Go, and static site generator ecosystems.
cURL to JavaScript Fetch Converter
Convert command-line cURL network requests into modern, clean JavaScript / TypeScript async/await fetch() API code snippets.
cURL to Python Requests Converter
Convert command-line cURL network requests into clean, idiomatic Python code using the industry-standard 'requests' library.
SQL Minifier
Compress and minify SQL queries by removing comments, redundant spaces, and newlines into an optimized single-line string.
SQL Syntax Validator
Validate SQL queries against ANSI standards to detect syntax errors, unclosed parentheses, missing clauses, and invalid keyword orders.
Unicode Escape Converter
Convert international text characters into Unicode escape sequences (\uXXXX and \u{XXXXX}) and decode escape sequences back into readable UTF-8 text.
JWT Expiration Checker
Check JSON Web Token (JWT) expiration timestamps (exp, iat, nbf), calculate remaining validity lifetime, and inspect payload claims.
UUID v7 Generator
Generate time-ordered, sequential UUID v7 identifiers compliant with RFC 9562 to optimize B-Tree database indexing performance.
Env File Formatter
Format, sort alphabetically, and beautify .env configuration files with aligned keys, deduplicated variables, and clean section headers.
Env File Validator
Validate .env configuration files to detect syntax errors, invalid character keys, unescaped newlines, and duplicate environment variables.
HTML Entity Converter
Convert text characters and symbols between named HTML entities, decimal references, and hexadecimal codes.
Text Diff Checker
Compare two text snippets or code files side-by-side to highlight added, removed, and modified lines.
JWT Generator
Generate, sign, and encode JSON Web Tokens (JWT) with customizable headers, payload claims, expiration timestamps, and secret keys.
Regex Tester
Test and debug regular expressions in real time with syntax error explanations, match highlighting, and capture group breakdowns.
JSON Minifier
Minify and compress JSON documents by stripping whitespace, indentation, and newlines for optimized network payloads.
JSON Validator
Validate JSON syntax against RFC 8259 standards, locate syntax errors by line/column, and repair malformed JSON with 1-Click Auto-Fix.
JSON to CSV Converter
Convert nested or flat JSON objects and arrays into structured, tabular CSV spreadsheet format compliant with RFC 4180.
CSV to JSON Converter
Convert tabular CSV and TSV spreadsheet data into structured JSON objects and arrays with automatic primitive type parsing.
JSON to XML Converter
Convert JSON payloads into structured, well-formed XML with configurable root tags and attributes.
XML to JSON Converter
Parse and convert XML documents and SOAP messages into structured, modern JSON objects with attribute preservation.
JSON to YAML Converter
Convert JSON payloads into clean, human-readable YAML 1.2 format with custom indentation.
Base64 Decoder
Decode Base64 and URL-safe Base64 encoded strings back into clean UTF-8 text.
URL Encoder
Percent-encode special characters, spaces, and query parameters in URLs and web links according to RFC 3986 standards.
URL Decoder
Decode percent-encoded characters, spaces, and query parameters in URLs and web links according to RFC 3986 standards.
HTML Encoder
Encode special characters into HTML entities to safely display raw code, prevent XSS vulnerabilities, and render reserved markup characters.
HTML Decoder
Decode named and numeric HTML entities (<, &, ') back into standard human-readable text and clean markup.
Unicode Converter
Inspect and convert text characters into Unicode code points (U+XXXX), character names, and escape encodings.
ASCII Converter
Convert text into ASCII character codes (decimal, hexadecimal, binary, and octal) and decode ASCII numbers back into text.
Hex Encoder
Convert plain text strings into hexadecimal (Base16) byte codes with customizable delimiter formatting.
Hex Decoder
Decode hexadecimal (Base16) byte strings back into human-readable plain text and UTF-8 characters.
SQL Formatter
Format, beautify, indent, and prettify complex SQL queries across multiple SQL dialects.
YAML Formatter
Format and beautify messy YAML configuration documents with consistent 2-space indentation, clean spacing, and structural alignment.
Markdown Preview
Live real-time GitHub Flavored Markdown (GFM) editor and previewer with syntax highlighting, tables, math formulas, and 1-click HTML export.
Markdown to HTML Converter
Convert GitHub Flavored Markdown into clean, well-structured, and sanitized HTML5 markup for websites and content management systems.
HTML to Markdown Converter
Convert HTML documents, web markup, and rich text into clean, human-readable GitHub Flavored Markdown (GFM) syntax.
GUID Generator
Generate random, cryptographically secure 128-bit Microsoft GUIDs and UUID v4 identifiers with customizable braces and hyphens.
MD5 Hash Generator
Calculate 128-bit MD5 cryptographic hash digests (32-character hexadecimal string) from text strings and passwords compliant with RFC 1321.
SHA-1 Hash Generator
Calculate 160-bit SHA-1 cryptographic hash digests (40-character hexadecimal string) compliant with NIST FIPS 180-4 and Git object standards.
SHA-256 Hash Generator
Calculate military-grade 256-bit SHA-256 cryptographic hash digests (64-character hexadecimal string) compliant with NIST FIPS 180-4.
SHA-512 Hash Generator
Calculate ultra-secure 512-bit SHA-512 cryptographic hash digests (128-character hexadecimal string) compliant with NIST FIPS 180-4.
HMAC Generator
Calculate cryptographically signed Hash-Based Message Authentication Codes (HMAC) using SHA-256, SHA-512, and secret keys compliant with RFC 2104.
JWT Decoder
Decode and inspect JSON Web Token (JWT) Header, Payload claims, and expiration status.
Cron Expression Parser
Parse standard 5-field and 6-field cron expressions into plain English and calculate upcoming run dates.
UNIX Timestamp Converter
Convert UNIX epoch timestamps to human-readable dates and format date strings into timestamps.
HTTP Status Code Lookup
Search and inspect all official IANA HTTP response status codes (1xx, 2xx, 3xx, 4xx, 5xx) with technical explanations and debugging steps.
User Agent Parser
Parse User-Agent strings to extract detailed browser family, version, operating system, and device type.
URL Parser Online
Parse URL components, paths, ports, protocols, and extract query string key-value pairs.
Query String Parser
Parse URL query strings into structured JSON key-value objects with automatic percent-decoding and array parameter handling.
Color Code Converter
Convert color codes seamlessly between HEX, RGB, RGBA, HSL, HSLA, HSV, CMYK, and modern CSS color() spaces with a live preview.
SHA256 Generator
Compute 256-bit SHA-256 cryptographic hash digests (64-character hexadecimal string) compliant with NIST FIPS 180-4.
Slug Generator
Generate clean, SEO-optimized, lowercase, and hyphen-separated URL slugs from text titles with automatic accent normalization.
JSON to Freezed Converter
Convert JSON data into immutable, code-generated Dart Freezed data classes with copyWith, toString, and JSON serialization support.
JSON to TypeScript Interface
Convert JSON data structures into clean, type-safe TypeScript interfaces and type definitions with automatic nested model generation.
JSON to Kotlin Data Class Converter
Convert JSON data into clean, null-safe Kotlin data classes with GSON, Moshi, or Kotlinx Serialization annotations for Android development.
JSON to Go Struct Converter
Convert JSON data into idiomatic Go (Golang) struct definitions with automatic json/bson tags, pointers, and nested struct models.
JSON to Rust Struct Converter
Convert JSON data into memory-safe Rust struct definitions with Serde #[derive(Serialize, Deserialize)] macros and Option<T> types.
JSON to Pydantic Model Converter
Convert JSON data into type-validated Python Pydantic v2 BaseModel classes for FastAPI and data science pipelines.
JSON Escape
Escape quotes, backslashes, line breaks, and special control characters in raw text for safe embedding inside JSON string values.
JSON Unescape
Unescape and restore JSON-encoded string literals back into human-readable raw text, resolving quotes, newlines, and unicode escapes.
CSS Clamp Generator
Calculate fluid typography and responsive CSS clamp() formulas without media queries.
Binary to Text Converter
Convert text to 8-bit binary code and translate binary streams to readable text in 0ms.