Instantly filter and remove lines containing specific words or phrases from your text. Perfect for cleaning data, removing unwanted entries, or filtering content based on keywords with advanced matching options and flexible filtering modes.
If any part of this tool is not working properly, please let us know.
Paste your text into the input box on the left.
Add one or more keywords/phrases to filter lines by.
Choose the desired matching and filter options.
Copy the filtered output using the button provided.
It removes lines from your text that contain specific words, phrases, or patterns you define — perfect for cleaning logs, filtering data, or removing unwanted content based on keywords.
No. All filtering happens 100% in your browser. Your text and keywords never leave your device — no tracking, no storage, no third-party access. Fully private and secure.
Nothing to install or register. Just open the page in any browser — desktop or mobile — and start filtering instantly. No login, no ads, no paywalls.
Type a word or phrase in the input box and press Enter. Each keyword appears as a tag below. Add as many as you need — lines matching ANY keyword will be removed (or kept, if inverted).
Exact: Matches whole words only (e.g., “cat” won’t match “category”). Partial: Matches anywhere in line (e.g., “cat” matches “category”). Regex: Use powerful patterns like \d{3} for 3 digits.
Yes! Check “Keep Lines Containing Words (Invert)” to flip the behavior — only lines with your keywords will remain. Great for extracting specific entries.
By default, it’s case-insensitive. Check “Case Sensitive” if you want “Apple” and “apple” treated differently. Works with all matching modes including regex.
Yes — no size limits. Filter small snippets or multi-megabyte logs. Optimized for speed, even with thousands of lines and complex regex patterns.
Yes. Once loaded, all features work without internet. Ideal for secure environments or when processing sensitive logs or data locally.
Developers, data analysts, sysadmins, writers, researchers — anyone cleaning datasets, filtering logs, removing spam, or extracting content. Personal or commercial use.
Yes. Free for any use — no license or attribution required. Many teams use it for log analysis, data preprocessing, content moderation, or report generation.
Contact us via support form. We welcome feedback — whether it’s adding AND/OR logic between keywords, batch file processing, undo history, or export filters.