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KioTools
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  • Runs locally

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Compress an Image to 1 MB

About this option

Modern phone photos run 4–10 MB, which breaks many email attachments and upload forms. Compressing to about 1 MB keeps nearly all the visible detail. This page opens the compressor on a 1 MB target and caps the width at 4000 pixels.

When to use it

  • An email or form limits attachments to 1 MB
  • You want to share high-resolution photos without huge files
  • Backing up pictures while saving storage space

How to use it

  1. 1Drop one or more large photos — 1 MB is already the target
  2. 2Click Compress
  3. 3Check the result and download the compressed images

Frequently asked questions

Will I notice a quality loss?

Rarely. Going from several megabytes to 1 MB mostly removes detail the eye can't see at normal viewing sizes.

Does it keep the photo dimensions?

It keeps them up to 4000 pixels wide; only bigger images are reduced.

Can I do this for many photos?

Yes. Add up to 50 photos and download the compressed set as a ZIP.

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