JSON Formatter

Format JSON with two‑space indentation and instant validation to make payloads easy to scan.

Key features

• Strict parsing with clear error messages
• Two‑panel input/output with Copy/Clear/Sample
• Local persistence, no servers

1. Paste JSON on the left.
2. Fix any syntax errors shown on the right.
3. Copy formatted JSON when it looks correct.

Example

Input:

{"a":1,"b":[2,3]}

Output:

{
  "a": 1,
  "b": [
    2,
    3
  ]
}