Image optimization, compression & design — explained simply.
Practical guides from the team behind Image EditPro. Free to read. Free tools at the end of every post.
What Is Image Resolution? A Beginner’s Guide to Pixels, DPI and PPI
Learn what image resolution means, how pixels work, and the difference between DPI and PPI. A simple beginner’s guide with practical examples.
How to Change Image Resolution Online: DPI, PPI & Pixels Explained
Learn how to change image resolution online and understand DPI, PPI, and pixels. Discover the difference between digital image size and print resolution.
Passport Photo Size in Pixels: Country Guide
Need the correct passport photo size in pixels? This complete guide explains common passport photo dimensions for the USA, UK, Canada, India, Australia, and other countries, plus DPI, aspect ratio, file size, cropping, and online upload requirements.
How to Resize a Photo to 3.5 × 4.5 cm Online
Learn how to resize a photo to 3.5 × 4.5 cm online, including pixels, DPI, aspect ratio, file size, cropping, and photo upload requirements.