The Perfect Image Sizes for Social Media in 2026

Images make up the majority of a typical web page's weight. Getting them right means faster pages, happier visitors and better search rankings. In this guide we cover the essentials in plain language.

Start with the right format

Use JPG for photos, PNG for graphics that need sharp edges or transparency, and WebP when you want the smallest files with broad browser support.

Size before you compress

Never upload a 4000-pixel photo for a spot that displays at 800 pixels. Resize first with our Image Resizer, then compress.

Quick checklist

• Pick the correct format for the content.
• Resize to the largest size it will be displayed.
• Compress to 60–80% quality with the Image Compressor.
• Add a watermark if the image is your original work.

That's it — a few seconds of work for noticeably faster pages.