Find & Replace Text Online
Search and replace text with regex support, match highlighting, and before/after preview.
What Is a Find & Replace Tool?
A find and replace tool lets you search for specific text patterns in a document and replace them with new text. This online version supports regular expressions (regex), case-sensitive matching, and shows a live preview of all matches before you commit to changes — all without uploading your text to any server.
How to Find & Replace Text
- Paste Your Text — Enter or paste the text you want to modify
- Enter Search Term — Type the word or pattern to find (enable Regex for advanced patterns)
- Enter Replacement — Type the replacement text
- Review Matches — See highlighted matches and a before/after preview
- Copy Result — Click Replace, then copy the final text
Why Use This Find & Replace Tool?
- Regex Support — Use regular expressions for powerful pattern matching
- Live Preview — See matches highlighted in real-time before replacing
- Before/After View — Compare original and replaced text side by side
- Privacy First — All processing happens in your browser, nothing is sent to a server
- No Install — Works instantly in any modern browser
FreeToolbox vs Other Find & Replace Tools
| Feature | FreeToolbox | TextFixer | EditPad |
|---|---|---|---|
| Regex | Yes | No | Yes |
| Live Preview | Yes | No | No |
| Privacy | Browser-only | Server | Server |
| Match Count | Yes | No | Yes |
| Ads | Minimal | Heavy | Moderate |
FAQ
Can I use regular expressions?
Yes. Toggle the Regex switch to enable full JavaScript regex syntax including capture groups, lookaheads, and quantifiers.
Does it support case-insensitive search?
Yes. By default, search is case-insensitive. Toggle the Case Sensitive switch to match exact casing.
Can I replace just the first match?
Yes. Turn off the Replace All toggle to replace only the first occurrence of the search term.
Is my text stored anywhere?
No. All processing happens locally in your browser. Your text never leaves your device.
What regex features are supported?
All JavaScript regex features are supported, including capture groups ($1, $2), character classes, quantifiers, and lookahead/lookbehind assertions.