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Compress image

Shrink photos with a quality slider.

Files never leave your device

How to use Compress image

Shrink photos and screenshots so they fit email attachments, upload limits on job and admission forms, or a faster website. Pick a quality level, optionally cap the width, and save as JPG or WebP. If a compressed file would come out bigger than the original, the original is kept.

  1. 1

    Choose your photos, screenshots or PNGs.

  2. 2

    Set Quality (60–80% is a good balance) and, if you like, a max width.

  3. 3

    Pick JPG or WebP as the output format and click Compress images.

  4. 4

    Compare before and after, then download one file or all as a ZIP.

Compress image: common questions

How do I reduce a photo to under 100 KB?

Lower the quality to around 60% and set a max width such as 1000 px, then check the new size shown for each file. Repeat with lower values if it is still too big.

Will a PNG keep its transparent background?

Only if you choose WebP. JPG has no transparency, so see-through areas are filled with white.

Are my photos uploaded anywhere?

No. Compression happens in your browser on your own device, so personal and work photos stay with you.

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