Image Upload Rejected? How to Fix Format, Size and Dimension Errors
Why websites and forms refuse a photo, and how to fix the file type, file size and dimensions so your upload works the first time.
Category: <span>Resize and Crop</span>
How Many Pixels Do You Need to Print a Photo?
A simple chart and formula to find how many pixels you need for 4x6, 5x7, 8x10 and A4 prints, and what to do when your photo is too small.
Pixels vs DPI: What Image Resolution Really Means
DPI and PPI confuse almost everyone. This guide explains pixels, resolution and why changing the DPI number does not change image quality.
How to Resize an Image Without Losing Quality
Learn why shrinking works better than enlarging, how aspect ratio affects the result, and how to resize photos in your browser for free.
How to Crop a Photo to the Right Shape: 1:1, 4:5, 9:16 and More
Understand aspect ratios like 1:1, 4:5, 9:16, 16:9, 3:2 and 4:3, choose the right one for your photo and crop it in your browser.
Best Image Sizes for Instagram, YouTube, Facebook, LinkedIn, X and Pinterest
A simple guide to common image sizes for Instagram, YouTube, Facebook, LinkedIn, X and Pinterest, and how to resize your photos to fit.
How to Reduce Image File Size Without Losing Visible Quality
Practical ways to make photos and screenshots smaller for email, forms and websites: resize first, pick the right format and set a sensible quality.