Query ↔ JSON
Convert query strings and JSON objects both ways
Interactive controls load with JavaScript. Processing stays in your browser.
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How to use
- Query→JSON：粘贴完整 URL 或 a=1&b=2。
- JSON→Query：粘贴对象，数组会展开为同名参数。
- 解码与编码由 URLSearchParams 完成。
- 全程本地，不请求网络。
FAQ
Does Query ↔ JSON upload my data?
No. Query ↔ JSON runs locally in your browser and does not upload content to www.518882.com or third-party APIs.
Do I need an account?
No. Open and use — no signup, login, or paywall. Open Query ↔ JSON and use it — no signup, login, or paywall.
How is this different from upload-based tools?
Tools run locally in your browser; content is not sent to our servers for processing — suited to private text and drafts.
Are there limits?
Limited by device memory and the browser; very large inputs may slow the page. There is no account quota.