Page Highlighter от NBET

Highlight links quickly on the current page. Choose and save a highlight color and toggle highlights with one click. Page Highlighter injects a small content script only when you ask (by clicking the toolbar popup), it does not request broad host permissions, and it stores only a single color preference. Use the toolbar button to open the popup, then press Toggle Highlight to apply or remove the highlight. The color can be changed from the popup or from Options.