Highlight All - Extension for Google Chrome
https://chrome.google.com/webstore/detail/fgnkddoolcfhpoccklnhlpdellmpjbnm
Please note, some code is copied from other projects:
Highlighting is powered by a modified version of searchhi_slim.js:
http://www.tedpavlic.com/post_simple_inpage_highlighting_example.php
Color selection is powered by jscolor:
http://jscolor.com/
Color conversion:
http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript
Release Notes:
New in version 0.30:
* Colors alternate when Clear Between Selections is not checked
New in version 0.27:
* Ignores right click to eliminate odd behavior associated with CTRL key
* Code optimizations
New in version 0.26:
* Hold ctrl key to temporarily enable "Highlight on Selection" when it is not checked
* Fixed 0.25 bug where "Highlight Selection" action did not work.
New in version 0.25:
* Hold ctrl key to disable highlighting when "Highlight on Selection" is checked.
* The selection will not clear if the same selection is made twice.
New in version 0.24:
* Search for full selection(splitting selection into separate words is an option)
* Separate word highlighting limited to 25 to prevent browser from crashing.
* All settings are stored between sessions
* Command button in toolbar with same options as context menu
* Options page where the highlight color can be set (text color is automatic)
* Settings in context menu are always available, even when right-clicking selection