Find and replace text with literal strings or regular expressions — supports capture groups.
The result will appear here...
Bulk text replacement is one of the most common editing tasks — renaming variables across code, standardizing formatting in data files, or fixing typos in large documents. Our tool supports plain text and regex replacement with live preview, so you see every change before applying it. No installation, no IDE needed — just paste, replace, and copy.
Replacing variable names or function calls across copied code snippets. Standardizing date formats (MM/DD/YYYY → YYYY-MM-DD) in CSV exports. Fixing repeated typos or formatting inconsistencies in large documents. Converting between naming conventions (camelCase to snake_case). Batch-updating URLs, file paths, or domain names in configuration files. Cleaning whitespace, tabs, or line endings before importing data.
Plain text or full regex replacement with capture group support ($1, $2). Case-sensitive or case-insensitive matching. Live preview showing all matches highlighted before replacement. Replace all occurrences or step through them one by one. Handles multi-line text with thousands of lines. Supports Unicode characters and special regex patterns (lookahead, lookbehind). Runs entirely in your browser — no data sent to any server.
Paste your text directly or upload a text file from your device.
Type what to find and what to replace it with. See results instantly.
Copy the result to clipboard or download the modified file.
This tool lets you find and replace text using literal strings or regular expressions with full capture group support.
Preview replacements in real time before downloading the modified file.
Regex & capture groupsYour text data is processed entirely in your browser. Nothing is sent to any server.
Edit confidential documents with complete privacy — all processing stays on your device.
100% browser-side processingEverything you need to know about our find and replace tool