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Compress images

Reduce image file sizes with adjustable quality and a target file size.

Process locally

Files stay in this browser session. Closing or clearing releases them.

Choose files

JPG, PNG, WebP, up to 20

Drop files here, or

Adjust settings

Optional: Target size, Minimum quality, Preserve dimensions

Compress images

Run

Processes in this browser; cancel at any time

Choose files first

About this tool

Compress JPG, PNG and WebP images to a target file size, such as under 200 KB for an upload form or a web page. The tool lowers the quality step by step and keeps the best result that fits, so pictures stay as sharp as the size allows.

Up to 20 images are compressed in one go, right in your browser: the files are never uploaded, and location and camera details (EXIF) are removed from the results.

How to use it

  1. Choose up to 20 JPG, PNG or WebP images, or drop them on the page.
  2. Set the target size in KB and the minimum quality you will accept. Leave “Preserve dimensions” on to keep the width and height.
  3. Select Run. Each image is tried at several quality levels.
  4. Compare the results with the originals, then download them one by one or all together as a ZIP.

Formats and limits

Input
JPG, PNG, WebP, up to 20 files
Output
Same format as the input
Size limit
8 MB per file, 80 MB in total
Image size limit
24 megapixels per image
Settings
Target size; Minimum quality; Preserve dimensions
Privacy
Files stay in the current browser session. No file bytes are uploaded.
Price
Free, no sign-up

Common questions

What happens if an image cannot reach the target size?

You still get the smallest version the tool could make, and the report marks that image as not reaching the target. Lower the minimum quality, or turn off “Preserve dimensions” so the tool may also shrink the image.

Why does a PNG barely get smaller?

PNG is lossless, so the quality setting has almost no effect on it. Turn off “Preserve dimensions” to let the tool reduce the size, or convert the image to JPG or WebP first.

Does compression change the format or the dimensions?

Each image keeps its format. The dimensions stay the same unless you turn off “Preserve dimensions”.

Are my images uploaded?

No. Compression runs in your browser, and the images stay on your device until you close or clear the page.

Workflows that use this tool