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Compress an image to 100 KB

Get your photo under 100 KB with the highest quality that still fits.

Your files never leave your device

Everything runs in your browser. Nothing is uploaded.

  1. 1Add files
  2. 2Options
  3. 3Download

Drag & drop images here

or tap to browse your device

Select files

HEIC, JPG, PNG or WebP · Up to 50 MB per file

Next, try one of these tools

How to use

  1. 1Add the photo you want to shrink. JPG, PNG, WebP and iPhone HEIC all work.
  2. 2Check that the target reads 100 KB. You can type a different size if the form asks for something else.
  3. 3Press “Compress to 100 KB”. The page tries different quality levels for you and keeps the best one that fits.
  4. 4Download the result and check the size shown in the list.
A large photo file shrinking into a much smaller one with the same picture

Tips and limits

  • If the form also demands exact dimensions, set them first with the resize tool, then compress. Smaller dimensions make hitting 100 KB easier.
  • Stay with JPG unless the form says otherwise: it is accepted everywhere, while WebP is not.
  • Check the rules of the site you are uploading to: some require a minimum size as well as a maximum.

Compress Image to 100KB

One hundred kilobytes is one of the most common upload limits: portrait photos on job portals, exam registrations and many government forms ask for “under 100 KB”. This page opens the compressor with that target already applied. It searches for the highest JPG quality that fits, and shrinks the pixel dimensions only if quality alone cannot get there.

A typical phone photo is 2–5 MB, so it needs a big reduction, but a portrait on a plain background usually lands under 100 KB at a quality that still looks clean. For a smaller limit use 50 KB; for a looser one, 200 KB. The step-by-step 100 KB guide covers common problems.

Step-by-step guides

Frequently asked questions

How can I reduce a photo to under 100 KB?

Add the photo, keep the target at 100 KB and press compress. The tool tries different quality levels and picks the best one that fits.

Why is my compressed file a bit smaller than 100 KB?

The tool stops at the highest quality that still fits, so the result is just under the limit, not exactly on it.

How do I reduce the size of an image?

Add your image, lower the quality slider or type a target size, and press the button. A quality of 70–80% usually looks the same but is far smaller.

How do I compress an image to a specific size like 100 KB?

Switch to “To a target size”, type 100 and choose KB. The tool finds the best quality that keeps the file at or under that size.

Are my photos uploaded to a server?

No. Compression runs entirely in your browser, so your photos never leave your device.