JSON 格式化与校验

等待输入 JSON 数据...

What this tool does

Paste JSON for live validation (browser error text). Valid trees fold below 3 levels. Format with 2-space indent, copy, or fullscreen edit — all local.

How to use

  1. Paste JSON.
  2. Fix any parse errors.
  3. Format / explore the tree / copy.

FAQ

Comments allowed?

No — JSON.parse is strict (no comments, single quotes, or trailing commas).

Sent to a server?

Never — parse/format stay on-page.

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