Find & Replace — Free Online Tool

Locate repeated text and replace every matching occurrence, with optional regular-expression and case-sensitive matching.

This private tool runs locally in your browser. Your text is never uploaded or sent to a server.

How to use Find & Replace

Paste the source text
Enter the search and replacement values
Choose matching options and apply

Example

Replacing “colour” with “color” updates every selected match.

Useful tips

Preview regex patterns carefully
Case-sensitive mode prevents unintended replacements

JavaScript enables the interactive tool above.

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