Keep Only Lines Containing Word
Sometimes you only need specific lines from a large block of text. This tool keeps only the lines that contain a word or phrase you choose. It is useful for filtering logs, notes, or datasets quickly. A simple way to extract only what matters.
Note: Text entered into this tool is processed directly in your browser. We do not store, log, or transmit your data.
How This Tool Works
Paste your text into the input box, enter the word or phrase to match, and choose if the match should be case sensitive. The tool checks each line and keeps only the ones that contain the selected text.
- Paste or type your text into the input box.
- Enter the word or phrase to search for.
- Select case sensitive or insensitive option.
- Click the Keep button to filter the lines.
The output shows only the lines that include the word or phrase you specified.
Practical Use Cases and Common Scenarios
- Log filtering: Keep only relevant entries.
- Data extraction: Find lines with specific keywords.
- List refinement: Narrow down long lists quickly.
- Content review: Focus on lines that matter.
- Keyword search: Isolate important text sections.
- Quick analysis: Reduce noise in large text blocks.
Frequently Asked Questions
What does the Keep Only Lines Containing Word tool do?
It keeps only the lines that contain a specific word or phrase.
What is case sensitive matching?
It means the tool matches text based on exact letter casing.
Can I use phrases instead of single words?
Yes. You can enter full phrases to match lines.
Are non matching lines removed?
Yes. Only matching lines remain in the output.
Is my text stored anywhere?
No. Everything is processed directly in your browser.