Find & replace

Find and replace in any text — literal or regular expression mode, case sensitive, whole word, with live preview and match count.

FindReplace with

RegexCase sensitiveWhole word0 matches

Input

Result

Result will appear here as you type.

Features

Literal or full regular-expression search, with case-sensitive and whole-word options for precise matches.
Live preview and a running match count show exactly what will change before you commit.
Find and replace across large texts entirely in your browser — no upload, no length limit.

How it works

Paste your text, then type what to find and what to replace it with.
Switch on regular-expression, case-sensitive or whole-word matching as needed.
Watch the live preview and match count update, then copy or download the result.

Your files never leave this page

Every conversion runs entirely in your browser using WebAssembly. There is no upload, no server-side processing, no analytics, and no cookies. Open DevTools → Network during the operation and you will see zero outbound traffic.

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Topics covered

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