KBTrim

Compress Image to 300KB

Get a photo down to 300KB or smaller. Free, private, and no sign-up.

Tap to choose images or drag them here JPG, PNG, WebP supported. You can select many at once.
KB
% of original
× px

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How to compress an image to 300KB

  1. Tap the box above and choose your photo.
  2. The size is already set to 300 KB. Change it if your form asks for a different limit.
  3. Compare the original and compressed photo in the preview.
  4. Tap Download to save the compressed image.

300KB keeps most photos looking clear on screen. It is a handy size for email attachments and website uploads. Phone photos are often several megabytes, so the saving is big.

Frequently asked questions

How do I compress a photo to 300KB?

Choose your photo above. The size is already set to 300KB, so the tool lowers the quality step by step, and shrinks the pixel size only if needed, until the file fits.

What if the photo cannot reach 300KB?

Very large or detailed photos may need to be smaller in pixels. Use the Resize option (percentage or custom width and height) and try again.

Can I compress many photos at once?

Yes. Select several photos together and each one is compressed to the size you set.

Is my photo uploaded to a server?

No. Everything runs inside your own browser, so your photo stays on your device. That makes it suitable for ID photos and signatures.

Is this tool free?

Yes. It is free, needs no sign-up, and has no limit on the number of photos.