Image compression
4 practical guides to help you understand the details and choose your next step.
Where to begin
Start here when a picture is too large for an upload, attachment, or page. File size, pixel dimensions, and visual quality are related but separate decisions. These guides help you identify the constraint before adjusting an export.
- For a strict byte limit, start with the 100 KB / 200 KB guide and write down the destination’s minimum dimensions.
- If you only need smaller dimensions, compare resizing with compression before lowering quality.
- For uncertain quality settings, compare exports from one master and judge the smallest important detail.
How to Compress an Image to 100 KB or 200 KB
Fit a JPG, PNG, or WebP under a file-size limit without guessing. Learn which settings to change and how to check the downloaded result.
Read guide ↗Resizing vs. Compressing an Image: Which Do You Need?
Understand the difference between pixel dimensions and encoding quality, then choose the right way to reduce an image for your destination.
Read guide ↗How to Choose Image Compression Quality Without Guessing
Use a repeatable visual comparison to choose JPG or WebP quality. Learn why a quality percentage is not a guaranteed file-size reduction.
Read guide ↗Image File Size vs. Dimensions: KB, MB, and Pixels Explained
Learn why two images with the same dimensions can have different file sizes, and how to read upload limits without confusing bytes and pixels.
Read guide ↗