📋
🐛

Format JSON for Debugging

Untangle minified or escaped JSON logs, error payloads, and database outputs instantly.

ログイン不要

Debugging tips

🐛

Server error logs often contain JSON payloads in minified or escaped form. Paste them here to read them clearly.

🔍

The validator shows exactly where a JSON syntax error occurs — essential when debugging serialised data from databases or message queues.

🌳

Use the tree view to inspect deeply nested objects without manually counting brackets.

💡

When a JSON decode error occurs in production, copy the raw payload here to see whether the input itself is malformed.

使い方

1
入力
Enter your data into the tool above. Everything stays local to your browser.
2
処理
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
ダウンロード
Get your result instantly. Nothing is stored after you leave the page — complete privacy.

なぜ私たちのツール?

完全に無料 — 隠れたコストは永遠にありません
アカウント、メール、ログイン不要
ファイルがデバイスを離れることはありません
ファイルサイズの制限は一切ありません
出力に透かしなし

Also check out…

よくある質問