JSON Formatter
Format, beautify, and validate JSON instantly for APIs, logs, configs, and debugging.
Both tools belong to developer tools and usually solve closely related tasks.
Developer Tools
Explore related tools you may want to use together with JSON Flatten or instead of it, depending on your task.
Use this JSON Flatten tool to convert nested JSON into a flat object where each key represents a full path. It is useful for exports, analytics prep, debugging nested payloads, quick mapping work, documentation, and turning complex objects into a simpler shape for inspection or transformation. Arrays are represented with indexed paths so you can still see where values came from.
Related pages are useful when JSON Flatten is only one step in a bigger workflow. Sometimes you need a reverse action, a cleanup step, a validator, a supporting converter, or a nearby tool in the same category.
Return to the main JSON Flatten page to run the tool directly.