$megatools --json-repair --client-side

LLM JSON Repair & Auto-Fixer

Auto-fix broken, truncated, and malformed JSON from AI prompts. Fixes quotes, trailing commas, and brackets in-browser.

Load Preset:

Raw / Broken JSON(17 lines · 320 chars)

Repaired OutputVALID(19 lines)

{
  "status": "success",
  "data": {
    "users": [
      {
        "id": 1,
        "name": "Alice",
        "role": "admin",
        "active": true,
        "preferences": null
      },
      {
        "id": 2,
        "name": "Bob",
        "role": "developer"
      }
    ]
  }
}

Automated Repair Actions Applied6 rules

Instant AST token engine

✓Trimmed 56 characters of leading conversational prose
✓Converted 'True' to 'true'
✓Converted 'None' to 'null'
✓Converted single-quoted strings and keys to double-quotes
✓Removed trailing commas before closing braces/brackets
✓Auto-closed unclosed delimiters: }]}}