Compress Image

Get smaller image files with the original format preserved. Transparent backgrounds stay transparent; compression may slightly affect image quality.

Choose file or drag and drop here Maximum 15 MB per file

Free online image compressor

Reduce the size of a supported image file to make it easier to upload, email, store, or add to a website. The image compressor accepts JPG, JPEG, PNG, WEBP, and BMP images and returns an optimized copy in the original image format. Smaller images can help when a form limits upload size or when you want to move a collection of photos more conveniently. Select an image, process it, and review the result before replacing your source file.

Compress an image in a few steps

Choose an image from your device and start the compression process. When it finishes, use the preview to make sure the output looks right, then download the compressed file. The image is uploaded for server-side processing, so submit only content you have permission to use and avoid highly sensitive pictures. The output keeps the original file type, and transparency is preserved for formats that support it, such as PNG and WEBP.

How image compression affects file size

Images store pixel data and format-specific information, so the amount of reduction depends on their dimensions, colors, and original encoding. Some files can be optimized without an obvious visual change, while other images may only become slightly smaller. Compression is not a promise that every file will shrink by the same percentage. This tool may also resize very large images to keep processing manageable, so compare the output dimensions with your intended use before publishing or printing it.

Choose the right image for your task

For a website or online form, a reduced image can load or upload more quickly, but it should remain clear at the size where people will see it. For graphics that need transparent backgrounds, use a format such as PNG or WEBP rather than JPG, which does not support transparency. If the image will be printed, keep the original high-quality file and confirm the resolution before using a compressed copy. A small preview is useful for sharing online but may not be suitable for large prints.

Image compression FAQs

How do I reduce the file size of an image online?

Choose an image, start compression, then preview and download the optimized copy. Keep your original until you have checked the result.

Which image formats can I compress?

The tool supports JPG/JPEG, PNG, WEBP, and BMP images.

Will the compressed image keep its original format?

Yes. The downloaded result uses the source image format, and transparency is kept where that format supports it.

Will every image become much smaller?

Not necessarily. Savings vary based on the image and its existing encoding. Check the output size and visual quality after processing.