Convert tools

JSON Editor

Format, minify and edit JSON in a split-pane editor with a collapsible tree and exact number preservation.

Convert in your browser · No sign-up

Paste JSON on the left to see the result.

Up to 100,000 characters, 10,000 nodes and 80 nesting levels.

How to use

  1. Paste JSON data here…
  2. Format / Minify / Tree
  3. Copy / Download JSON

Example

{"id":9223372036854775807,"text":"\u4f60\u597d"}
→
{
  "id": 9223372036854775807,
  "text": "\u4f60\u597d"
}

Details and limitations

Strict JSON only. Numbers and duplicate keys retain their original tokens. Turn off Preserve escapes to normalize string escapes; values do not change.

Up to 100,000 characters, 10,000 nodes and 80 nesting levels.

FAQ

What are the supported inputs and limits?

Strict JSON only. Numbers and duplicate keys retain their original tokens. Turn off Preserve escapes to normalize string escapes; values do not change. Up to 100,000 characters, 10,000 nodes and 80 nesting levels.

Format references

Tool page updated: