Topic
Images & graphics
Use these guides to keep your images sharp and lightweight: pick the right format, crop to the right size, and compress without ruining quality.
Guides
Start here
Images & graphics
What is the best image size for a website hero banner?
How to size a website hero or banner image: the right width, aspect ratio, and file-size budget to look sharp and load fast — plus a free tool to make it.
Images & graphics
How to compress images for the web without losing quality
Learn how image compression works, how to find the quality sweet spot, and how to shrink photos for the web without visible quality loss — for free.
Images & graphics
How to make a square profile picture for free
A beginner's guide to cropping any photo into a perfect square profile picture or avatar — the right size, centering tips, and a free browser tool.
Images & graphics
How to reduce image file size for email
Photos too big to email? Learn why attachments get rejected, the typical size limits, and how to shrink images for email for free without losing quality.
Images & graphics
Image sizes for Instagram: posts, stories and reels
The common Instagram image sizes and aspect ratios for square, portrait, and landscape posts, stories, reels, and profile pictures — plus a free cropping tool.
Images & graphics
The standard image sizes for a website (and a free tool to make them)
The common image sizes every website needs — hero, content, product, card, thumbnail, and avatar — with target dimensions and a free tool to make them.
Images & graphics
WebP vs JPEG vs PNG: which image format should you use?
A plain-English comparison of WebP, JPEG, and PNG for websites — when to use each, how they differ in size and quality, and how to convert between them.
Images & graphics
Why image optimization matters for website speed
A beginner's guide to why heavy images slow down websites, how it hurts visitors and SEO, and the simple steps to fix it before you publish.
Images & graphics
How to resize an image without changing its aspect ratio
Learn how to resize an image while keeping the same shape, avoid stretching, and calculate the missing width or height.
Images & graphics
What is aspect ratio? A simple guide for images and video
A simple explanation of aspect ratio for images, video, screens, and social posts, with examples like 1:1, 4:3, 16:9, and 9:16.