JSON 展平与还原
将嵌套 JSON 转换为点号键,并从扁平数据重建嵌套对象。
输入
结果
使用方法
Flatten nested JSON
Paste nested JSON and run Flatten. Arrays become numeric keys, for example user.roles.0.
- Paste nested JSON.
- Click Flatten.
- Copy the flat JSON output.
Unflatten key paths
Paste a flat object and run Unflatten. Numeric path segments are converted back into arrays automatically.
常见问题
How are arrays represented?
By default each array element gets a numeric segment, such as items.0.name. Empty arrays and objects are preserved as values.
Can I use a different separator?
The UI uses a dot separator. For custom separators, use the underlying library behavior in your own code.