Converters

Data format conversion is a daily necessity in software development. You might need to transform CSV data into JSON for an API, convert YAML configuration to JSON for a parser, change timestamp formats between systems, or translate code from one infrastructure tool to another. These converters handle the transformation accurately and instantly.

Why Use These Tools?

Manually converting data between formats is tedious and error-prone, especially with complex nested structures, special characters, and edge cases. These automated converters handle all the parsing, escaping, and structural transformation, ensuring your data arrives in the target format correctly every time.

All converters on Devkitr are completely free and run 100% in your browser. Your data never leaves your device — there are no server-side requests, no data logging, and no sign-up required.

Best Practices

• Always validate the converted output to ensure data integrity wasn't lost during transformation
• When converting between loosely-typed formats (CSV) and structured formats (JSON), verify field types
• Handle timezone information explicitly when converting timestamps between systems
• Test conversion with edge cases (empty values, special characters, nested data) before batch processing

Privacy & Security

Every tool in this category processes your data entirely in your browser using JavaScript. We never transmit, store, or log any data you input. You can verify this by opening your browser's Developer Tools and monitoring the Network tab while using any tool — you'll see zero data requests related to your input.

Available Tools

• CSV to JSON – Convert CSV data to JSON arrays for APIs, databases, and applications.
• Timestamp Converter – Convert Unix timestamps to human-readable dates and vice versa.
• Color Code Converter – Convert between HEX, RGB, HSL, and other color formats instantly.
• YAML to JSON – Convert YAML documents to JSON format with proper type handling.
• JSON to YAML – Convert JSON data to clean, readable YAML format.
• Number Base Converter – Convert numbers between binary, octal, decimal, and hexadecimal bases.
• Markdown to HTML – Convert Markdown text to clean HTML with live preview.
• JSON to TypeScript – Generate TypeScript interfaces and types from JSON data automatically.
• HTML Entity Encoder/Decoder – Encode special characters to HTML entities or decode entities back to text.
• CSS Unit Converter – Convert between px, rem, em, vh, vw, and other CSS units with configurable base size.
• Image to Base64 Converter – Convert images to Base64 data URIs for embedding directly in HTML, CSS, or code.
• SQL to MongoDB Converter – Convert SQL queries to MongoDB query syntax online for NoSQL migration.
• GraphQL to TypeScript – Generate TypeScript types and interfaces from GraphQL schema definitions.
• Text Encoding Converter – Convert text between UTF-8, ASCII, Latin-1, UTF-16, and other character encodings.
• CSS to SCSS Converter – Convert flat CSS into nested SCSS with proper selector grouping and variables.
• HTML to JSX Converter – Convert HTML markup to valid React JSX — class→className, style strings→objects, and more.
• TypeScript to JavaScript – Strip TypeScript types, interfaces, and annotations to produce clean JavaScript.
• JSON to CSS Variables – Convert JSON design tokens to CSS custom properties (--variables).
• Liquid to HTML Converter – Convert Liquid template code to static HTML output with sample data.
• C# to JSON Converter – Convert C# class definitions to JSON object representations.
• Razor to HTML Converter – Convert ASP.NET Razor syntax to plain HTML output.
• JSON to PHP Array – Convert JSON data to PHP array syntax instantly.
• PHP Array to JSON – Convert PHP array syntax to JSON format.
• Laravel Blade to HTML – Convert Laravel Blade template syntax to plain HTML.
• Curl to Code Converter – Convert cURL commands to JavaScript, Python, PHP, Go, and more.
• XML to JSON Converter – Convert XML data to JSON format with attribute handling options.
• JSON to Go Struct – Generate Go struct definitions from JSON data with proper tags.
• JSON to Python Dataclass – Generate Python dataclass definitions from JSON data.
• JSON to Kotlin Data Class – Generate Kotlin data class definitions from JSON data.
• JSON to Dart Class – Convert JSON to Dart class definitions with fromJson/toJson for Flutter.
• JSON to Swift Struct – Generate Swift Codable struct definitions from JSON data.
• JSON to SQL INSERT – Generate SQL INSERT statements from JSON arrays or objects.
• TOML ↔ JSON Converter – Convert TOML to JSON and JSON to TOML bidirectionally online.
• Tailwind CSS to Vanilla CSS – Convert Tailwind CSS utility classes to equivalent vanilla CSS.
• Protobuf to JSON Schema – Convert Protobuf (.proto) definitions to JSON Schema and vice versa.
• SQL to Prisma Schema – Convert SQL CREATE TABLE statements to Prisma schema models instantly.
• OpenAPI to TypeScript – Generate TypeScript interfaces and types from OpenAPI specifications.
• Terraform to Pulumi – Convert Terraform HCL configurations to Pulumi TypeScript or Python.