JSON URL Decode

Decode URL-encoded JSON text back to its original form.

When to use this tool

Handy when debugging URLs containing JSON payloads, such as OAuth state parameters, webhook redirects, or API callback URLs. Decode and inspect the original JSON quickly to troubleshoot data integrity issues.

How to use

Paste the percent-encoded JSON string from a URL into the input field. The tool decodes it back to a readable JSON object. Copy the result to inspect or edit the original data.

Input

Output

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API Reference

Tier: Free
Endpoint: POST http://5.75.144.42/api/v1/tools/encode-decode/json-url-decode
Method: POST
Content-Type: application/json

Rate Limits

Unauthenticated: 10 req/min
Free: 30 req/min
Premium: 1000 req/min

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Request Body

{
    "input": "%7B%22key%22%3A%22value%22%7D"
}

Sample Request

curl -X POST "http://5.75.144.42/api/v1/tools/encode-decode/json-url-decode" \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer YOUR_API_KEY" \
    -d '{"input":"%7B%22key%22%3A%22value%22%7D"}'

Sample Response

{
    "success": true,
    "data": {
        "input": "%7B%22key%22%3A%22value%22%7D",
        "result": "{\"key\":\"value\"}"
    },
    "meta": {
        "tool": "json-url-decode",
        "tier": "free"
    }
}