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 转换器
在 YAML 和 JSON 之间转换
2
CSV ⇄ JSON 转换器
在 CSV 和 JSON 之间转换
3
XML ⇄ JSON 转换器
在 XML 和 JSON 格式之间转换
4
JSON 转 TypeScript
生成 TypeScript 接口
5
XML → Java 类转换器
将 XML 转换为带有 JAXB 和 Lombok 支持的 Java 注解类
6
图片 ↔ Base64 转换器
将图片转换为Base64编码，或将Base64解码为图片
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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.