This extension replaces native browser title text with a customizable popup for xkcd images.
XKCD Hovertext Extension
The appearance and behavior of the box is highly customizable (check out the options page for the extension).
Enjoy!
UPDATE:
Version 1.6.1: update manifest to support https
Version 1.6: add support for customizing font and whether the text is \"small-caps\" or normal
Version 1.5: upgraded to manifest v2; added what-if.xkcd.com support; removed Google reader support (since it has been discontinued)
Version 1.4 fixes bugs caused by new page layout on xkcd.com
Version 1.3 now supports Google Reader
Source Manifest.json
Similar Extensions
xkcd - Comics Viewer 163 13 ★ 36.99KiB
XKCD Substitutions - COMPLETE 163 0 ★ 8.85KiB
XKCD Alt Text 163 17 ★ 57.64KiB
Comic Text 163 14 ★ 30.07KiB
XKCD substitutions 163 302 ★ 432KiB
IMDB to Wikipedia 163 6 ★ 33.86KiB
XKCD+R 163 3 ★ 98.51KiB
xkcd Hover Text 163 13 ★ 30.69KiB
LinkTips 163 2 ★ 50.59KiB
Substitutions 163 3 ★ 10.62KiB
xkcd explainer 163 3 ★ 13.01KiB
xkcdAlt 163 11 ★ 13.73KiB
xkcd - New Tab Page 163 13 ★ 14.76KiB
Reddit Hover Text 163 61 ★ 61.33KiB
xkcd #37 163 11 ★ 722KiB
xkcd Enhancer 163 1 ★ 859KiB
The Garnisher 163 4 ★ 15.84KiB
Do I Sound Like a Nazi? 163 6 ★ 20.6KiB
MTG Price Gatherer 163 10 ★ 1.11MiB
Time Capsule 163 6 ★ 425KiB
Hover Read 163 6 ★ 50.18KiB
Regex Replace 163 24 ★ 165KiB
Spincles 163 8 ★ 123KiB
Chandlery for Fallen London 163 11 ★ 53.77KiB
User reviews
Joshua Merrill (ID: 0000009c037dc403) Voted 5 ★ - Updated 09/27/2018
King Junq (ID: 000000a06affd544) Voted 5 ★ - Updated 08/27/2013