What is the Find & Replace tool?

Find and replace text with regex support. This free online tool is available at NumbersChecker with no login required.

Is the Find & Replace tool free?

Yes, the Find & Replace tool is completely free to use at NumbersChecker. No account or installation is needed — results are instant.

How do I use the Find & Replace tool?

Enter your input into the form at https://numberschecker.com/tool/find-replace, click Run, and the result appears instantly. Click any result value to copy it to your clipboard.

Is there an API for the Find & Replace tool?

Yes. Send a POST request to https://numberschecker.com/api/find-replace with your input as a JSON body. The API is free and requires no authentication.

Text substituteregexreplace

Find & Replace

Find and replace text with regex support.

About the Find & Replace Tool

Find and replace text with regex support. This free online tool runs entirely in your browser — no login, no installation, and no data is stored.

This tool is part of the Text category on NumbersChecker. Browse all Text tools or explore all 139 tools.

Related: substitute · regex · replace

API usage

POST /api/find-replace
Content-Type: application/json

{
  "text": "your input here"
}