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Dev & Agent Toolbox

20 distinct utilities for API debugging, agent traces, payloads, auth inspection, and operational math. Choose a tool, enter data, and run it. Inputs are processed locally in this browser tab.

Free API/AI-agent JSON contract checklist · Need a human review? See the 4 USDT review service (TRC20/BEP20 only).

JSON Formatter

Result

Choose a tool and run it.

No data is uploaded. JWT decoding does not verify signatures. Token estimates are approximate. Avoid pasting production secrets into any third-party website.

Need a human review of API or agent JSON outputs? See the paid contract-review service and payment options. Card checkout is not enabled; supported payment methods are listed before ordering.

Testing AI-agent or API outputs against one JSON Schema? Try the JSON Contract Tester. Help prioritize the next improvement in the public feedback thread.