Reduce image size to a target in KB or MB, or pick a quality level. Compress JPG, PNG and WebP right in your browser.
Click to choose or drag and drop an image here
JPG and WebP are compressed by lowering the quality. PNG is compressed by reducing the number of colors and optimizing the file, which can slightly change colors. PNG keeps transparent areas. JPG turns them white.
How to compress an image: choose a JPG, PNG or WebP image, type the size you need in KB or MB or pick a quality level, and click Compress image. Compare the sizes, then download.
Type the size you need, in KB or MB, and the tool works toward it.
Prefer to choose the quality yourself? Use the quality setting instead.
Compare the file sizes before and after. If the file is not smaller, you can keep your original.
Use it without creating an account or wasting time.
Click the upload area and choose a photo, or drag one in.
Choose Target file size to hit a size limit, or Quality level to set the quality yourself.
For a target size, type a number and choose KB or MB.
Choose an output format. Same as original keeps JPG, PNG and WebP files in their own format.
Click Compress image.
Check the Before and After panels and the new file size, then download.
You do not always need a desktop photo editor just to reduce an image's file size. FastestImageTools keeps it simple so you can make the change you need and get back to your work without unnecessary editing tools.
Very small targets can be impossible for large, detailed photos. Allow the tool to reduce dimensions, or choose a larger target.
Yes. PNG files are compressed by reducing the number of colors and optimizing the file. This keeps transparency, but colors can change slightly, so check the After preview. For photos, JPG or WebP usually gives a smaller file.
Some files are already well compressed. If the new file is not smaller, the tool tells you and offers a button to keep your original.
Usually a little. JPG and WebP remove some detail, and PNG compression can change colors slightly. A lower setting gives a smaller file but more visible change. PNG at 100% quality keeps every color.
Our tool counts 1 KB as 1,024 bytes. Some websites count 1,000 bytes, so leave a small margin when a limit is tight.
No. The photo is compressed in your browser and never sent to our servers.
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