HTTP status codes

HTTP status codes. The list of all HTTP status codes, their name, and their meaning. Quickly identify and understand server responses with our comprehensive HTTP status codes list.

This essential developer reference tool provides immediate access to every standard HTTP status code, complete with detailed explanations of their meanings and typical use cases.

Whether you are debugging a complex backend issue or building a new API, having a reliable status code guide helps you determine whether a request was successful, redirected, or encountered an error.

If you need to inspect the raw server response causing these codes, our HTTP Headers Parser is the perfect companion tool to extract the necessary debugging data.

Simply search for the specific code or browse through the categorized list to find the information you need.

This premium API debugging resource covers all code categories, from 1xx informational responses to 5xx server errors, ensuring your network troubleshooting is accurate and efficient.

Memorizing every single response code is impractical, but our searchable index simplifies the process, making web development accessible to everyone from junior developers to experienced systems architects.

For developers working with specific client-side issues, our User Agent Parser helps you decode the specific device strings that might be triggering these server responses.

We provide a 100% free, fast, and comprehensive reference guide directly in your browser, eliminating the need to search through dense technical documentation.

How to use this online tool

HTTP status codes is designed for fast browser workflows when you need to format, validate, convert, decode, encode, generate, or inspect data without opening a heavy desktop app. Start with the input field or visible options, review the result, then copy or download the output for the next step.

Private processing in your browser

HTTP status codes keeps the normal processing step local in your browser. That is useful for code snippets, tokens, documents, configuration values, text samples, and other material that should not be sent to a remote service unless you explicitly choose to share it.

When this tool is useful

Use HTTP status codes for repeatable developer tasks, technical documentation, QA checks, quick conversions, debugging, content cleanup, and internal team workflows. The page focuses on clear inputs, immediate feedback, and output that is easy to reuse in code, reports, tickets, emails, or notes.

Practical tips

Before copying the final result, check important details such as spacing, casing, filenames, encoding, token structure, line breaks, or output format. Small checks prevent mistakes when the result is reused in source code, API requests, documentation, spreadsheets, or shared files.