Instagram Image Sizes — The Complete 2026 Guide
Square, portrait or landscape? Stories and Reels? Here are all the Instagram image sizes in one place — with aspect ratios, file weight, and how to build a feed that does not crop or blur your photos.
Blog & guides
Guides for working with images
Hands-on articles about resizing, compression, formats and everyday photo tasks — straight from the team that builds the tools.
How to Compress an Image to 100 KB (Online, Without Losing Quality)
An upload form says "max 100 KB" but your phone photo weighs 4 MB? Here is how to get under 100 KB in two minutes — online, still readable, and without uploading your photos anywhere.
How to Reduce Image File Size Without Losing Quality
A phone photo can easily top 5 MB. Here is how to cut it by 80% with no visible loss of quality — from dimensions to format to compressing to an exact size.
JPG, PNG, WebP or AVIF — Which Image Format Should You Choose?
The same image can weigh 2 MB or 300 KB depending on the format. Let us look at how JPG, PNG, WebP and AVIF really differ and when to reach for each.