Data & Code Converters
Unit, encoding, and format converters for the things you convert constantly — JSON to YAML, CSV to JSON, Base64, timestamps, color formats, HTML entities, and more. Every conversion happens instantly in your browser. No uploads, no server processing, no rate limits.
29 tools
CSS to Tailwind Converter
Convert vanilla CSS to Tailwind CSS utility classes with property mapping and spacing scale conversion
HTML to JSX Converter
Convert HTML to JSX with automatic attribute renaming, style objects, self-closing tags, and comment conversion
Color Converter
Convert colors between HEX, RGB, HSL, HSV, CMYK, and Tailwind CSS with contrast checker
JSON to Go Struct
Convert JSON to idiomatic Go struct definitions with json tags, nested structs, omitempty, and pointer options
JSON to Python Dataclass
Convert JSON to Python dataclass or TypedDict definitions with type hints, nested classes, and Optional types
JSON to TypeScript Converter
Convert JSON to TypeScript interfaces and types with smart type inference, nested objects, and union types
JSON to Zod Schema
Convert JSON to Zod schema definitions with optional/required inference, coerce mode, and nested schema support
JSON to Kotlin Data Class
Convert JSON to Kotlin data classes with @Serializable annotations — supports kotlinx.serialization, Gson, and Moshi
JSON to Rust Serde
Convert JSON to Rust structs with Serde derive macros — includes rename strategies, Option types, and field visibility control
YAML ↔ JSON Converter
Convert between YAML and JSON formats with validation and configurable formatting
Text Case Converter
Convert text between camelCase, snake_case, PascalCase, kebab-case, and 10+ more formats instantly
TOML Editor & Converter
Parse, validate, and convert TOML to/from JSON and YAML — essential for Rust, Python, and config files
Format Detective
Detect unknown data formats and convert between JSON, YAML, XML, CSV, TOML, and text with browser + API workflows
CSV ↔ JSON Converter
Convert between CSV and JSON with auto-delimiter detection and proper escaping
Markdown to HTML Converter
Convert Markdown ↔ HTML with GitHub Flavored Markdown support, clean output, and optional API automation
Base64 Encoder/Decoder
Encode and decode Base64 strings and files
URL Encoder/Decoder
Encode and decode URL components and full URLs
Unicode Character Inspector
Inspect any text character-by-character: code points, UTF-8/16/32 bytes, HTML entities, JS escapes, and Unicode categories
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates
OpenAPI to TypeScript Generator
Generate TypeScript types and API clients from OpenAPI 3.x specs — handles $ref, allOf, oneOf, discriminators
HTML Entity Encoder
Encode and decode HTML entities and special characters
Image to Base64 Converter
Convert PNG, JPG, GIF, WebP, and SVG images to Base64 encoding with data URI, CSS, and HTML formats
Number Base Converter
Convert between hex, binary, decimal, and octal with bit visualization and bitwise operations
Byte & Data Unit Converter
Convert between bytes, KB, MB, GB, TB with SI and binary standards — includes transfer time estimator
OpenAI ↔ Anthropic Format Converter
Convert between OpenAI and Anthropic API formats — messages, tool definitions, and responses bidirectionally
Tailwind Previewer
Preview Tailwind utility output and conversion results
CSS Units Converter
Convert between CSS units: px, rem, em, vw, vh, %, and pt. Bidirectional with configurable base font size and viewport dimensions.
cURL Converter
Convert cURL commands to JavaScript fetch, Axios, Python requests, Node.js http, PHP, and Go. Supports headers, JSON body, form data, and auth.
OpenAPI to MCP Generator
Convert OpenAPI 3.x specs into MCP tool definitions — one tool per endpoint with proper input schemas. Export as config JSON, TypeScript, or Python server.
Category facts
This category currently contains 29 tools in Converter. For machine-readable discovery, see /api/tools-by-category.json.
How do I browse similar tools? Use category pages and related links on each tool page to navigate adjacent workflows quickly.
How often are counts updated? Counts are generated from the canonical tools metadata at build time.