How to Check an Image’s Dimensions and File Size
Need to know how many pixels and how many KB an image is? Here's the quickest way to check on Windows, Mac, iPhone, Android and in a web browser.
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How-To Guides
How to Rotate or Flip an Image (and Fix Sideways Photos)
Rotate, flip or mirror a photo in seconds, and learn why some images appear sideways after uploading and how to fix them for good.
Read more →How to Make Thumbnails for Your Website: Sizes and Cropping
Consistent thumbnails make a site look polished and load fast. Learn standard sizes, how to crop them well and how small the files should be.
Read more →How to Reduce the Size of a Scanned Document or Photo Scan
Scans can be huge. Learn the right scan resolution, color mode and format to shrink scanned documents while keeping them readable.
Read more →Email Signature Image Size: Logo, Headshot and File Size Tips
A good email signature image is small, sharp and doesn't get blocked. See the best dimensions, file size and format for logos and headshots.
Read more →How to Resize Images in Python With Pillow (Code Examples)
Resize, thumbnail and batch-process images in Python with Pillow. Includes copy-paste code for keeping aspect ratio, setting quality and handling PNGs.
Read more →How to Resize an Image in Photoshop (Without Ruining It)
A clear walkthrough of Photoshop's Image Size dialog: resampling, constrain proportions, the best method for shrinking or enlarging, and how to export.
Read more →CSS object-fit Explained: Resize Images Without Stretching
Use CSS object-fit to make images fill a fixed box without distortion. Learn cover, contain and object-position with simple examples.
Read more →How to Compress Images in WordPress (Plugins and Settings)
Slow WordPress site? Learn how to compress images before upload, use plugins well, and set the right image sizes so your pages load faster.
Read more →How to Make Photos Smaller to Send by Text Message
Photos failing to send by text? Here's why MMS has size limits and how to shrink pictures so they go through, on iPhone and Android.
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