Fix JSON for Zapier (Webhooks, APIs)

Paste JSON that won't work in Zapier. This tool repairs formatting errors, validates structure, and ensures compatibility with Zapier's Code by Zapier steps.

Common Zapier JSON Issues

Zapier's Code by Zapier and Webhooks require strict JSON. This tool fixes trailing commas, smart quotes from ChatGPT/Claude, and validates structure for Zapier compatibility.

Why Fix JSON for Zapier?

Zapier webhooks and API actions require valid JSON for data passing between zaps. Malformed JSON (trailing commas, incorrect quotes, bad nesting) causes "Invalid JSON" errors, breaking automation workflows. Auto-fixing formats JSON to Zapier standards—ensuring reliable zap execution.

Common Use Cases

  • Webhook triggers: Format JSON payloads sent to Zapier webhook URLs
  • API actions: Prepare JSON request bodies for Zapier Webhooks by Zapier action
  • Data transformation: Fix JSON in Zapier Code steps (JavaScript, Python)
  • Multi-step zaps: Structure JSON passed between Zapier action steps
  • Error recovery: Debug and fix JSON causing Zapier task failures
  • Custom integrations: Format JSON for Zapier API or Developer Platform apps

Why This Tool?

  • Zapier-focused: Optimized for Zapier webhook and API JSON requirements
  • Pre-flight checking: Validates JSON before sending to Zapier
  • Instant results: Fix and format JSON in milliseconds
  • 100% client-side: Your workflow data never touches our servers
  • Free forever: Unlimited JSON fixing for Zapier automations

Pro tip: After fixing, test in Zapier editor using "Test & Review". For Make.com workflows, use our Fix JSON for Make.com tool.