Filter Lines
Filter lines of text by keeping or removing lines that contain specific text or patterns. Perfect for extracting relevant data from logs, lists, or any multiline text.
Why use this tool?
Filtering lines helps you extract or exclude specific content from large text files quickly.
- Flexible filtering — keep or remove lines based on your needs.
- Regex support — use regular expressions for advanced patterns.
- Case sensitivity option — control whether case matters.
- Privacy-focused — all processing happens in your browser.
How to use
- Paste your multiline text into the input field.
- Enter the text or pattern to filter by.
- Choose whether to keep or remove matching lines.
- Click Filter Lines to process.
- Click Copy Output to copy the result.
Frequently Asked Questions
Yes, completely free with no sign-up required.
Yes, you can enable regex mode for advanced pattern matching.
No. Everything runs client-side in your browser.