Paste the source text
Add a document fragment, list, code block, export, or other multiline content.
Bulk text replacement
Replace words, phrases, symbols, delimiters, or patterns throughout a pasted text block. Use a regular expression for advanced multiline cleanup.
Clean tool
Add a document fragment, list, code block, export, or other multiline content.
Use literal matching for normal text or regex mode for flexible patterns.
The status reports how many matches changed before you copy the output.
Replace tabs, punctuation, labels, or repeated separators in copied data.
Update names, terminology, URLs, and product text across many lines.
Apply regular-expression replacements to logs, fixtures, and configuration.
Yes. All matching occurrences are replaced in the generated output.
Yes. Regex mode uses browser-compatible JavaScript regular expressions and reports invalid patterns.
Yes. Whole-word matching is available for literal searches.
Keep working
Filter lines online by text, prefix, suffix, exact value, or regular expression. Keep matching lines or remove them while preserving the original order.
Add text before or after every line in a list. Wrap values in quotes, build URLs, format SQL values, and edit columns in bulk online.
Change every line in a list to uppercase, lowercase, title case, or sentence case. Format keywords, labels, names, and copied columns online.
Remove duplicate lines from a list while preserving the original order. Ignore case, trim whitespace, and clean empty lines instantly in your browser.