Testing Your API: Why You Need This Encoder/Decoder Daily

Every 400 Bad Request caused by a malformed URL could have been prevented in 3 seconds with this tool.

Real Daily Workflow of Senior Devs

  • Paste raw JSON path or query from logs
  • Decode → instantly see what the server actually received
  • Fix → re-encode → paste corrected version back into Postman
  • Generate shareable link for the team Slack

Works Offline, No Rate Limits, No Tracking

Unlike online tools that phone home or throttle you, this is pure static HTML/JS — bookmark it, PWA install it, use it on air-gapped machines.

FAQ

Can I use it with Postman?

Yes — generate a shareable link and open it directly in Postman via “Import from Link”.

Stop guessing. Paste → fix → ship.