HTTP Status Code Reference

Quickly look up HTTP status codes and their standard meanings.

100

Continue

The server has received the request headers, and the client should proceed to send the request body.

101

Switching Protocols

The requester has asked the server to switch protocols and the server has agreed to do so.

200

OK

Standard response for successful HTTP requests.

201

Created

The request has been fulfilled, resulting in the creation of a new resource.

202

Accepted

The request has been accepted for processing, but the processing has not been completed.

204

No Content

The server successfully processed the request, and is not returning any content.

301

Moved Permanently

This and all future requests should be directed to the given URI.

302

Found

Tells the client to look at (browse to) another URL. 302 has been superseded by 303 and 307.

304

Not Modified

Indicates that the resource has not been modified since the version specified by the request headers.

400

Bad Request

The server cannot or will not process the request due to an apparent client error.

401

Unauthorized

Similar to 403 Forbidden, but specifically for use when authentication is required and has failed or has not yet been provided.

403

Forbidden

The request contained valid data and was understood by the server, but the server is refusing action.

404

Not Found

The requested resource could not be found but may be available in the future.

405

Method Not Allowed

A request method is not supported for the requested resource.

408

Request Timeout

The server timed out waiting for the request.

409

Conflict

Indicates that the request could not be processed because of conflict in the current state of the resource.

418

I'm a teapot

The server refuses the attempt to brew coffee with a teapot. (RFC 2324)

422

Unprocessable Entity

The request was well-formed but was unable to be followed due to semantic errors.

429

Too Many Requests

The user has sent too many requests in a given amount of time ("rate limiting").

500

Internal Server Error

A generic error message, given when an unexpected condition was encountered and no more specific message is suitable.

502

Bad Gateway

The server was acting as a gateway or proxy and received an invalid response from the upstream server.

503

Service Unavailable

The server cannot handle the request (because it is overloaded or down for maintenance).

504

Gateway Timeout

The server was acting as a gateway or proxy and did not receive a timely response from the upstream server.

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How to use the Free HTTP Status Code Reference Online

Welcome to the MegaTools HTTP Status Code Reference. This utility is designed to run 100% locally within your browser, ensuring maximum privacy, security, and instantaneous performance. Unlike traditional online tools that require you to wait for server-side processing, this tool leverages native browser APIs to execute tasks in milliseconds. Whether you are working on a professional project, managing daily workflows, or simply need a quick utility, our HTTP Status Code Reference offers premium functionality without any subscriptions, ads, or data tracking.

Step-by-Step Usage Guide

  1. Configure Inputs:Depending on the utility, enter your specific settings, parameters, or textual data into the workspace fields above.
  2. Execute / Start:Interact with the primary action button (e.g., Start, Generate, Convert, Calculate). The tool will immediately process the input using client-side logic.
  3. View Results:Results are rendered dynamically on your screen. You can copy the output to your clipboard, download relevant assets, or reset the workspace to start over.

Frequently Asked Questions (FAQ)

Is the HTTP Status Code Reference truly free to use?

Yes, MegaTools provides this and all other utilities entirely free of charge. There are no hidden fees, paywalls, or feature limits in 2026.

Does my data get sent to a server?

No. Your data never leaves your device. The HTTP Status Code Reference is built using client-side JavaScript, meaning all calculations and data processing happen directly in your browser's memory.

Can I use this on mobile devices?

Absolutely. Our interface is fully responsive and optimized for mobile browsers, ensuring you get the same powerful functionality on iOS and Android as you do on a desktop.