
Selection Highlighter
Highlight occurrences of selected text, with or without a keypress.

What is Selection Highlighter?
Selection Highlighter is a Firefox add-on that enables you to highlight occurrences of selected text on websites. With configurable options and the ability to match whole words or ignore case, it provides an efficient way to search for keywords in code inspection and document analysis. The add-on works on all sites, including popular platforms like GitHub, StackOverflow, and HackerNews.

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Summary
Highlight occurrences of selected text, with or without a keypress.
- No need to press CMD+F
- Maintains current selection
- Open source and configurable options (JavaScript)
- Ensure a "gate" key is pressed
- Match whole word and/or case-insensitive
- Blacklist bad hosts and ancestor HTML nodes
For code inspection and document analysis: search for and find keywords.
Highlight works on all sites, including GitHub, StackOverflow, HackerNews, etc.
User reviews
Safety
Risk impact
Selection Highlighter is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Selection Highlighter if you trust the publisher.
Risk likelihood
Selection Highlighter has earned a fairly good reputation and likely can be trusted.