PNG has no quality slider in canvas. Convert to JPEG or WebP first, or shrink dimensions.

What if it cannot hit 50 KB?

A huge photo has a floor. Resize to a smaller pixel size, then run this tool again.

Compress Image to Size — Target KB

Drop an image

Or click to browse. The file stays in this tab.

Choose file

Compress until the file fits a kilobyte budget

Binary-searches JPEG or WebP quality until the blob is at or under your KB target. PNG is the wrong format for this job. Manual quality is the JPG compressor. Switching format first is the WebP converter.

Compress image to size FAQ

Why not PNG?: PNG has no quality slider in canvas. Convert to JPEG or WebP first, or shrink dimensions.
What if it cannot hit 50 KB?: A huge photo has a floor. Resize to a smaller pixel size, then run this tool again.

Related image tools

Image resizer

Resize by pixels, percent, or longest side. JPEG, PNG, or WebP out.

PNG compressor

Reduce PNG size by scaling or converting to WebP or JPG.

JPG to PNG

Convert a JPEG into a lossless PNG.