Paste the source lines
Enter logs, keywords, URLs, names, or any other text with one record per line.
Line filtering tool
Keep only the rows you need or remove every line that matches a rule. Use contains, starts with, ends with, exact, or regular-expression matching with optional case sensitivity.
Clean tool
Enter logs, keywords, URLs, names, or any other text with one record per line.
Choose whether lines contain, start with, end with, exactly match, or satisfy a regular expression.
Return matching rows or invert the rule to remove them from the final list.
Keep errors and warnings or exclude routine status messages.
Filter URLs, keywords, titles, redirects, and crawl exports by patterns.
Remove blocked values or retain records that meet a naming rule.
Yes. Select Contains, enter the word or phrase, and choose Remove matching lines.
Yes. Regex mode supports browser-compatible JavaScript regular expressions and reports an invalid pattern without changing the input.
Yes. Matching is case insensitive by default, with an option to require exact capitalization.
Keep working
Remove blank and whitespace-only lines from text online, or collapse repeated blank rows into a single separator while preserving the remaining text.
Remove duplicate lines from a list while preserving the original order. Ignore case, trim whitespace, and clean empty lines instantly in your browser.
Find and replace text online across multiple lines. Use literal text, whole-word matching, case sensitivity, or regular expressions with live result counts.
Sort lines alphabetically, naturally, or numerically in ascending or descending order. Clean blank lines and organize lists online.