Compress Image to 400KB

Reduce any image to exactly 400KB for high-resolution web images, print-ready graphics, and large product photos. Powered by ImageMagick server-side compression.

or drop images here max 10MB per file

Why ImageTools?

Powerful features for all your image needs

Lightning fast

Process images in seconds using ImageMagick on the server. Fast and reliable.

Secure & private

Files are processed securely and deleted automatically after download.

Quality preserved

Smart algorithms maintain visual quality while reducing file size.

Works everywhere

No software to install. Works on any device with a browser.

Multiple formats

Support for JPG, PNG, WebP, GIF, BMP, TIFF, ICO and more.

100% free

No hidden fees, no registration, no watermarks. Free forever.

How it works

Three simple steps to compress to 400KB

01

Upload Image

Drag and drop or click to browse. Supports JPG, PNG, WebP, GIF up to 10MB.

02

400KB Pre-set

The target size is already set to 400KB. Hit compress and our algorithm handles the rest.

03

Download

Download your compressed image instantly or grab all results as a ZIP.

Frequently asked questions

Common questions about compressing images to 400KB

Yes. 400KB is an easily achievable target for virtually any image. Quality retention at this size is typically excellent.

400KB is great for high-quality product catalogue images, portfolio hero shots, magazine-style web layouts, and large banner images that need to stay web-friendly.

Quality at 400KB is very high. For most images you will see no perceptible difference from the original when viewed on screen.

Yes, files are uploaded to process using ImageMagick. They are deleted automatically right after you download your result.

Yes add up to 10 images at once (or more with "Remove limits"). They are processed in batch and you can download all results as a ZIP.

Yes. Open the settings panel and change the Max File Size field to any target. Or use our full Image Compressor for complete control.

Need a different size?

Use our full compressor to compress to any custom file size you need.