Is the CORS Checker free to use?

Yes. The CORS Checker is part of ThinkDrift Cloud's free tool workspace.

Does the CORS Checker run locally?

This tool performs a network check for public web data, so it is clearly marked as a Network tool.

Web · Network

Send a lightweight OPTIONS preflight request and inspect CORS response headers.

Use this tool Open workspace Browse all 144 tools

Keep the result moving into the next local tool. Text output can be handed off in this browser without a server.

Open Website Status Check Continue with another web tool. Open Website Status Check Open Redirect Checker Continue with another web tool. Open Redirect Checker Open HTTP Headers Continue with another web tool. Open HTTP Headers

CORS Checker gives a small, focused view of preflight behavior for public endpoints.

Enter the public URL or domainOnly public web data needed for the check is requested.

Run the clearly marked network checkReview the result, adjust options, and run again without switching tools.

Copy or download the outputMove the result into your code, document, spreadsheet, or next ThinkDrift tool.

Clear network runtimeNetwork tools are labeled because they need public web data such as domains, headers, or certificates.

No account wallUse the tool directly, copy the result, and move on without creating a workspace account.

Ads stay outside controlsAdvertisement slots are kept away from inputs, outputs, buttons, and embedded task surfaces.

Is this tool free?

Yes. This tool is part of the free ThinkDrift Cloud toolbox.

Where does the tool run?

This tool performs a network check against public web data and is marked as a Network tool.