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HTTP Status Checker

Check HTTP status codes and response headers for any URL. Free online HTTP status checker for SEO and API debugging. Supports http, status.

HTTP Status Checker is a free online developer tool. Your input is processed on secure servers over an encrypted HTTPS connection and nothing is stored. No software to install; works on both phone and desktop.

Code tools designed for developers with syntax highlighting, real-time validation, and formatting. Full coverage of JSON, XML, YAML, SQL, and more.

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How to use

  1. 1 Open the HTTP Status Checker tool page.
  2. 2 Paste your text, URL, or data into the input area.
  3. 3 Choose the operation mode and parameters.
  4. 4 Run the tool and review the result.
  5. 5 Copy or download the result.

Why we built this tool

As developers ourselves, we kept switching between scattered tools that sent our code to unknown servers. We built this developer suite so formatting, validation, and conversion all run locally — your code stays yours.

Frequently Asked Questions

Is this tool free?

Yes, completely free with no signup required.

Can I use it on mobile?

Yes, it works on mobile browsers with touch support.

What category does this belong to?

Developer

Which programming language formats are supported?

Supports JSON, XML, YAML, SQL, CSV, TOML and more, plus code format conversion for Java, Python, TypeScript, etc.

What code and data formats are supported for formatting and validation?

ToolPure supports JSON, XML, YAML, TOML, CSV, SQL, and Markdown formatting. Validation includes syntax checking, schema validation for JSON, and well-formedness checking for XML.

Can I convert between different data formats?

Yes, you can convert between JSON, XML, YAML, CSV, and TOML. The converter preserves data types, nested structures, and array indices during conversion.

Is there a file size limit for code formatting?

Files up to 10MB can be formatted without issues. For larger files, the tools use Web Workers to prevent UI freezing. Syntax highlighting supports files with up to 100,000 lines.

Is HTTP Status Checker safe? Is my data uploaded or stored?

HTTP Status Checker sends your input over an encrypted HTTPS connection to our servers to complete the processing. Nothing you submit is stored; results are only displayed in your current page.

🔒 Privacy & Security：All processing happens locally in your browser. Files are never uploaded or stored.

🔒 Privacy: All processing happens locally in your browser. Your files and data never leave your device — no upload, no server, no tracking.

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