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    Free tool · Images

    Image Compressor

    Shrink JPG, PNG and WebP images in your browser with adjustable quality and size, and see the before and after file sizes.

    Runs in your browser: nothing you type is uploaded.

    JPG, PNG or WebP, up to 20 images of 25 MB each. They are processed on your device and never uploaded.

    Save as

    Around 75 to 85 is a good balance.

    Results

    Add images above and the compressed versions appear here.

    Saving through your browser also removes camera data (EXIF), such as location, from the new file.

    How to use it

    1. 1

      Choose up to 20 images, or drop them on the box.

    2. 2

      Pick an output format. WebP gives the smallest files for most photos.

    3. 3

      Set the quality (75 to 85 is a good balance) and, if the images are bigger than they need to be, a maximum width.

    4. 4

      Compare the sizes, then download each file. Keep the original if the new file isn't smaller.

    Why it matters

    Images are usually the heaviest part of a page, so they have the biggest effect on load time and on Largest Contentful Paint, one of Google's Core Web Vitals.

    Two things shrink an image: fewer pixels and a smarter format. Resizing a 4000-pixel photo to the 1600 pixels a page actually displays often saves more than lowering the quality, and WebP is typically smaller than JPG at similar quality.

    The work happens in your browser on a canvas, so your images are never uploaded. Saving this way also strips camera data such as location from the new file.

    Frequently asked questions

    Are my images uploaded to a server?

    No. They're read and re-encoded by your browser, on your device, and never sent anywhere.

    What quality setting should I use?

    75 to 85 keeps photos looking good at much smaller sizes. Go lower for thumbnails and backgrounds, higher for images where fine detail matters.

    Should I use WebP or JPG?

    WebP is smaller at similar quality and every current browser supports it. Use JPG if you need a file that opens in older apps or email programs.

    Why did my PNG get bigger?

    PNG is lossless, so re-saving it can't throw away detail. Switch to WebP, or reduce the width, to make a PNG smaller. If a result is bigger than the original, keep the original.

    Does it keep transparency?

    PNG and WebP keep transparent areas. JPG has no transparency, so transparent areas turn white.

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