Twitter Header Image Size / Dimensions

Twitter logo

UPDATE 2 – its time for the 2019 update on this one… If you’re looking to find out the Twitter banner size, or something similar, in order to understand the exact dimensions of the image at the top of your Twitter profile (the header image), then the details below will get you there! Twitter Header …

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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. This can be especially useful for updating logos or icons on the fly in a file system, without breaking stride, over command line (SSH). Note you …

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