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API Response Formatter

Format raw API responses with status badges, header inspection, and structured error details — free, instant, and completely private.

Auto-Detection

Automatically detects status codes, headers, error objects, and pagination from any API response format.

Debug Faster

Quickly inspect headers, status codes, and nested error details without squinting at raw JSON in your terminal.

Frequently Asked Questions

Paste your raw HTTP response into the Toolsz API Response Formatter to cleanly visualize status codes, headers, and the JSON/XML payload. This is a unique client-side tool absent in most developer suites, providing instant formatting without requiring an external desktop client.

Yes, Toolsz API Formatter is the only free tool that parses raw API output with status badges and error details directly in your browser. Since it's strictly client-side, your authorization tokens and private headers are never uploaded or logged.

How to Use This Tool

  1. 1

    Paste API Response

    Paste the complete raw HTTP response text

  2. 2

    View Badges

    Instantly see status code and timestamp labels

  3. 3

    Inspect Headers & Body

    Read structured headers and copy the formatted JSON payload