Find and Replace Tool
Fast, private browser-based tool to search and replace text instantly. Supports regex, whole word, case-sensitive matching, and undo/redo.
Find and Replace
Professional text search and replace with regex support, match navigation, and batch operations. Fast, private, and browser-based.
\d+, \w+@)$1, $2, $&, $$Free Online Find and Replace Tool
Quickly search, locate, and modify text directly in your browser. Our find and replace tool lets you swap exact phrases, clean up formatting, or run advanced regex find and replace operations instantly. No server uploads, no delays, and 100% private.
Why Use This Online Find and Replace Tool?
- Instant Search & Replace: Locate and update thousands of matches in milliseconds
- Regex Support: Run complex search and replace text online using regular expressions
- Whole Word & Case-Sensitive Options: Precision controls prevent accidental partial matches
- Undo/Redo History: Safely revert changes with session-level history tracking
- Browser-Only Processing: Your data never leaves your device
How to Find and Replace Text Online
- Paste your content or use Import to load
.txt,.csv, or.logfiles - Type your target phrase or regex pattern in the Find field
- Enter your replacement text (supports
$1,$2,$&for regex capture groups) - Toggle Case Sensitive, Whole Word, or Regex for precise matching
- Click Replace for single matches or Replace All to update the entire document
Common Find and Replace Patterns
| Task | Find Pattern | Replace With |
|---|---|---|
| Swap exact word | apple |
orange |
| Hide email addresses | [w.+-]+@[w.-]+.w+ |
[hidden] |
| Fix double spaces | ( )+ |
` ` |
| Reorder CSV columns | ^([^,]+),([^,]+),(.*)$ |
$2,$1,$3 |
| Remove blank lines | ^s*$ |
Privacy & Security
This free find and replace tool runs entirely in your browser. No files are uploaded to external servers, no tracking scripts collect your data, and no text is stored after your session. Your documents stay completely private.
Frequently Asked Questions
Q: Can I use regular expressions in this tool?
Yes. Enable the Regex toggle to use standard regular expression patterns. The Replace field supports backreferences like$1for captured groups and$&for the full match.
Q: Is there a character or file size limit?
The editor handles up to 500,000 characters smoothly. For larger datasets, we recommend splitting files to maintain instant response times.
Q: Does this work offline?
Yes. Once the page loads, all processing happens locally. You can use this browser-based text editor without an internet connection.
Q: How do I undo accidental replacements?
Use the built-in Undo/Redo buttons or pressCtrl+Z/Ctrl+Y. Every manual edit, import, and replace action is safely tracked in your session history.