JSON / API Response Viewer

Load JSON from a CORS-enabled URL or paste a payload to beautify and inspect it locally. Fetch or paste API JSON and inspect a pretty-printed response.

Introduction

JSON / API Response Viewer is a free, browser-based utility in our JSON Tools collection. Load JSON from a CORS-enabled URL or paste a payload to beautify and inspect it locally. JSON / API Response Viewer helps you pretty-print API payloads in the browser. Fetch CORS-friendly endpoints or paste raw JSON for quick inspection. Everything runs locally in your browser — inputs stay on your device, with no account or upload required. Highlights include fetch url responses.

Features

Fetch URL responses
Paste and beautify JSON
Status display
Copy pretty output

How to use

1
Enter a URL and click Fetch, or paste JSON and Beautify.
2
Copy the pretty output.

Example

httpbin

Input

https://httpbin.org/json

Output

Pretty JSON body

Benefits

Run API Viewer entirely in the browser with no signup or installation.
Keep sensitive sample data private — processing never leaves your device.
Fetch URL responses
Paste and beautify JSON
Status display
Pair it with Request Tester and JSON Formatter when your workflow needs adjacent utilities.

FAQs

Many APIs block browsers with CORS. Paste the response manually if needed.

No.

Raw text is shown when JSON parsing fails.

Yes. API Viewer on EverydayDevTools is free, with no account, watermarks, or usage caps for normal interactive use.

No. API Viewer runs in your browser. Your input is processed locally and is not sent to EverydayDevTools servers.

Load JSON from a CORS-enabled URL or paste a payload to beautify and inspect it locally. It fits everyday json tools tasks when you want a fast local utility instead of installing a CLI or opening a heavy IDE feature.

Core capabilities include: Fetch URL responses; Paste and beautify JSON; Status display; Copy pretty output.

Developers often pair API Viewer with Request Tester, JSON Formatter, JSON Diff. Open Related tools on this page for quick links.