Find & Replace Text

Find & Replace Text is a powerful free online tool that goes far beyond basic search-and-replace. It supports regular expressions, case-sensitive and whole-word matching, multi-pair bulk replacement, live match previews with highlighting, and a full undo history — all running instantly in your browser.

Whether you're cleaning up a document, refactoring variable names in code, normalising data in a CSV, or doing bulk text substitutions across thousands of lines — this tool handles it with zero setup and zero uploads.

• Instant find & replace: Type your search term and replacement, click Replace All
• Live match preview: Matches highlighted in real time as you type, with match count
• Regular expressions: Full JavaScript regex with capture group support ($1, $2…) in the replacement
• Case-sensitive matching: Toggle exact case matching on or off
• Whole word matching: Only match complete words, not substrings
• Replace first or all: Choose to replace only the first match or every occurrence
• Multi-pair bulk replace: Define multiple find → replace pairs and apply them all at once
• Undo history: Step back through previous replacements one at a time
• Live statistics: Match count, total replacements made, character and line counts
• Copy and download: One-click copy or download as .txt
• 100% client-side: No server processing, fully private

1. Paste your text: Enter or paste text into the main text area.
2. Enter find term: Type the text (or regex pattern) you want to find. Matches highlight instantly in the preview.
3. Enter replacement: Type what you want to replace matches with. Leave empty to delete matches.
4. Set options: Toggle Case Sensitive, Whole Word, Regex, or Replace First Only as needed.
5. Click Replace All: All matches are replaced instantly. The match count and stats update.
6. For bulk replace: Switch to Multi-Pair mode, add multiple find → replace rows, then click Apply All Pairs.
7. Undo if needed: Click Undo to revert the last replacement.

Simple replace: Find colour → Replace color — converts British to American spelling.

Regex with groups: Find (\d{2})/(\d{2})/(\d{4}) → Replace $3-$2-$1 — converts dates from DD/MM/YYYY to YYYY-MM-DD.

Whole word: Find log (whole word) → Replace logger — changes 'log' but not 'blog' or 'logging'.

Delete matches: Find TODO:.* (regex) → Replace with nothing — removes all TODO comments.

• Faster than any text editor: No need to open a file — paste, replace, copy, done
• Regex power: Capture groups, lookaheads, and pattern matching without installing anything
• Bulk operations: Multi-pair mode handles dozens of substitutions in one click
• Safe with undo: Every change is reversible — experiment without worry
• Works on any text: Code, prose, CSV, logs, HTML, markdown — anything
• Private and free: No upload, no storage, no registration, no limits