Skip to content

Compress JPG images

  • Runs on your device
  • Works offline once loaded

Make JPG photos small enough for forms, email and websites. Enter the size you need, such as 200 KB, and the tool finds the best quality that fits, using the MozJPEG encoder for smaller files at the same look.

How it works

  1. Drop your images.
  2. Set a target size or choose a quality level.
  3. Check the preview and download.

Why use it

  • MozJPEG optimization.
  • Target size in KB or MB.
  • Live before and after.
  • Batch with ZIP.

Questions and answers

How do I compress a JPG to 50 KB?

Set the target to 50 KB and add the file. Dimensions are reduced only if quality alone cannot reach it.

Will it look worse?

At a modest reduction the difference is hard to see. Very small targets need lower quality.

Related guides

Images5 min read

Which JPEG quality setting should you use?

Every program that saves JPEG asks for a quality from 0 to 100, and the trade between size and quality is far from linear. We saved six photos at twelve settings and measured what each step changes.

Images6 min read

JPG, PNG, WebP or AVIF: which format to use

We saved six photos and a graphic in all four formats at the same visual quality and compared the sizes. The newer formats win on photos by a wide margin, but each format still has a job.

Images6 min read

Pixels, DPI and file size: how big does a photo need to be?

Upload forms ask for 300 DPI, print shops for high resolution, and phones save 12 megapixel photos. We tested what the DPI number really does, how file size follows pixel count, and how many pixels each use actually needs.

Esc