How to convert colours to black in images using ImageMagick

If you want to convert PNG (or similar) files containing, for example, icons which are in one colour (say green) to black, then the command below will do this. Note you will need ImageMagick installed on your server (the commands involved for doing that will vary from environment to environment – Google it! – for […]

Twitter Header Image Size / Dimensions

Twitter Header Image Size / Dimensions featured image

UPDATE – there is a new image header size for Twitter in 2014, and, as the below post is still very popular, it remains, but note this is no longer the case (though images in this size should still look quite good). The New Twitter Header Image Dimensions New for 2014, the header image size […]

Silicon Dales