Convert tools

Filter Text Lines

Keep or exclude text lines containing an exact phrase.

Convert in your browser · No sign-up

Matching is case-sensitive and literal, with no regular expressions. Original order and matching blank lines are preserved.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

How to use

  1. Keep or exclude text lines containing an exact phrase.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Example

apple / banana / pineapple + apple → apple / pineapple

Details and limitations

Matching is case-sensitive and literal, with no regular expressions. Original order and matching blank lines are preserved.

Text stays in your browser; it is not sent to a conversion server.

FAQ

Filter Text Lines — What are the supported inputs and limits?

Matching is case-sensitive and literal, with no regular expressions. Original order and matching blank lines are preserved.

Format references

Tool page updated: