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DevToolHub

Free Online Converters

Switching between data formats is one of those tasks that burns time without adding value. You get a CSV export and need JSON for your API. A designer sends SVG icons and your React codebase needs JSX. Your backend returns JSON and your frontend needs typed TypeScript interfaces. These converters handle the translation so you can stay focused on actual work.

The TypeScript and Zod converters are especially useful during project setup: paste a sample API response and get production-ready types or validation schemas in seconds. No need to manually write interfaces that mirror your data shape.

All conversions happen in your browser. Your data never leaves your machine, which matters when you're working with API keys, internal schemas, or proprietary data structures.

All Converters

JSON to TypeScript
Paste JSON, get TypeScript interfaces instantly
JSON to Zod Schema
Convert JSON to Zod validation schemas instantly
TypeScript to Zod
Convert TypeScript interfaces and types to Zod schemas
CSV to JSON
Parse CSV data into structured JSON with type detection
YAML to JSON
Convert YAML to JSON and back with bidirectional toggle
SVG to JSX
Convert SVG markup to React JSX components
SVG to Data URI
Convert SVG files to inline data URIs for CSS and HTML
Markdown to HTML
Convert Markdown to HTML and back with live preview
Base64 Encode/Decode
Encode or decode Base64 strings in one click

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