steganography-1

By David Walsh on May 23, 2020

Recent Features

By Andi DysartOctober 16, 2014
Responsive Images: The Ultimate Guide
Chances are that any Web designers using our Ghostlab browser testing app, which allows seamless testing across all devices simultaneously, will have worked with responsive design in some shape or form. And as today's websites and devices become ever more varied, a plethora of responsive images...
By David WalshSeptember 27, 2012
5 HTML5 APIs You Didn’t Know Existed
When you say or read "HTML5", you half expect exotic dancers and unicorns to walk into the room to the tune of "I'm Sexy and I Know It." Can you blame us though? We watched the fundamental APIs stagnate for so long that a basic feature...

By David WalshJune 11, 2009
Image Protection Using PHP, the GD Library, JavaScript, and XHTML
Warning: The demo for this post may brick your browser. A while back I posted a MooTools plugin called dwProtector that aimed to make image theft more difficult -- NOT PREVENT IT COMPLETELY -- but make it more difficult for the rookie to average user...
By David WalshMay 8, 2018
Vertically Centering with Flexbox
Vertically centering sibling child contents is a task we've long needed on the web but has always seemed way more difficult than it should be. We initially used tables to accomplish the task, then moved on to CSS and JavaScript tricks because table layout was horribly...