Image compression guides

iPhones save photos as HEIC by default, and not every site accepts it.

Product photos must look accurate because people judge the item by them.

Scanned pages are often saved at very high resolution.

JPEGs can be saved so they load top to bottom, or as a blurry preview that sharpens.

Run through this list before you upload.

On Windows, a browser-based compressor avoids installing extra software.

WebP is newer than JPEG and often smaller, but compatibility still matters.

An upload error is frustrating when the message is vague.

Product photos must look accurate because people judge the item by them.

A repeatable workflow saves time and keeps results consistent.

JPEGs can be saved so they load top to bottom, or as a blurry preview that sharpens.

Hitting an exact size limit is easier with a target-size compressor.

On Windows, a browser-based compressor avoids installing extra software.

Choosing the wrong format can make a file five times larger than it needs to be.

Short on time? Here is the fastest route.

Good file names help you, your team and search engines.

The honest answer is: more than you think.

Colours that look vivid on your camera can look dull after upload if profiles are mishandled.

Hitting an exact size limit is easier with a target-size compressor.

Mac users can compress JPEGs without opening Preview or Photoshop.

Choosing the wrong format can make a file five times larger than it needs to be.

Getting a JPEG ready for passport photo uploads is mostly about two numbers: pixel width and file size.

Short on time? Here is the fastest route.

Many online compressors upload your images to a server. That is not always necessary.