Best Free Data Conversion Tools
Free online data conversion tools. Convert between JSON, YAML, CSV, XML, and more formats instantly.
6 recommended tools
1
YAML ⇄ JSON Converter
Convert between YAML and JSON
2
CSV ⇄ JSON Converter
Convert between CSV and JSON
3
XML ⇄ JSON Converter
Convert between XML and JSON formats
4
JSON to TypeScript
Generate TypeScript interfaces
5
XML to Java Class Converter
Convert XML to annotated Java classes with JAXB & Lombok support
6
Image ↔ Base64 Converter
Convert images to Base64 and decode Base64 back to images
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Best Free Data Conversion Tools
Free online data conversion tools. Convert between JSON, YAML, CSV, XML, and more formats instantly. All tools are free, require no installation, and process data entirely in your browser for maximum privacy and speed.
How to Get Started
- Choose a tool from the recommendations above based on your specific need.
- Paste your data (JSON, code, text, etc.) into the input field.
- Get instant results — no waiting, no server uploads.
- Copy, download, or share your processed output.
Why Developers Trust Our Tools
- No Data Leaves Your Browser: All processing is client-side for complete privacy.
- Zero Setup: No installation, no accounts, no downloads needed.
- Works Offline: Once loaded, most tools work without an internet connection.
- Open and Transparent: What you see is what you get — simple, focused tools.