Guides & tutorials
Practical, plain-English guides to everyday digital tasks. Each one explains the why as well as the how, and links to a free tool you can use straight away.
Image Compressor
How to compress an image without losing too much quality
Resize first, pick the right format and quality, and check the result before you share it.
Image ConverterJPG vs PNG vs WebP: which format should you use?
The strengths of each format, what happens to transparency, and a simple way to choose.
QR Code GeneratorHow to create a QR code for a website
Make a QR code that scans reliably, and test it before you print it.
Percentage CalculatorHow to calculate percentage increase (and decrease)
The formula, worked examples, and the mistakes people most often make.