Hello, I made this userscript long ago but I never made a thread about it.
This userscript will automatically log you in whenever you're visiting e621.net and you're not logged in.
+ REQUIRES AN USERSCRIPT EXTENSION +
How to install:
1- Click the installation link
2- Click "Install"
3- Put in your log in credentials (http://i.imgur.com/XoaryTT.png)
Installation link:
https://gist.github.com/anonymous/f9b4382092ec16da19d9/raw/eccf534f30700c02b5b3714d8ba777d30d8437a1/e621-autologin-v1.user.js
TESTED ON:
+ Google Chrome 42.0.2311.152 with Tampermonkey 3.10.109
+ Firefox 31.6.0 with Greasemonkey 2.3
Updated