QuakeStar Tools

Free online utilities for PDF compression and image resizing

Compress Images

Reduce an image's file size without changing its dimensions. Works with JPG, PNG, WebP, GIF, BMP and TIFF. QuakeStar allows up to 7 conversions every 2 hours.

Conversions remaining: 7

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Drag and drop an image here, or click to browse
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Compression without resizing

This tool keeps the image at its original width and height but reduces the amount of data used to store it. For JPEG and WebP, lowering the quality setting discards some visual detail. For PNG, a higher compression level reduces file size without losing any pixels.

Finding the right quality

There is no single best quality for every image. A value around 75–85 is often a good balance for photographs that will be viewed on screens. Lower values create smaller files but may introduce visible artifacts around text and sharp edges.

If the compressed image does not look good enough, return to the tool and try a higher quality setting.

Image compression FAQ

Does compression remove pixels?
No. This tool does not resize the image; it only changes how efficiently the image data is encoded.
Will PNG compression be lossless?
Yes. PNG compression in this tool is lossless, so no pixel data is discarded.
Can I compress the same image repeatedly?
You can, but repeatedly re-saving a JPEG will gradually reduce quality. Keep the original as your source.