Photo Size Reducer

Compress Image to 15KB

Six short steps to compress image to 15KB without needing a second try.

Drop a photo here or tap to choose

JPG, PNG or WebP. Stays on your device.

Fifteen kilobytes sits between a tiny signature and a small passport style thumbnail. It is achievable for most pictures if you prepare them first. These are the steps I would follow, in this order.

Whether you call it a jpg compressor or a way to reduce image size to 15KB, the job is the same: a 15KB image with as much clarity as the budget allows.

Getting ready

  1. Find the original. Use the photo straight from your camera or gallery. A copy sent through a chat app has already been squeezed once, and squeezing it again shows.
  2. Crop it. Keep only the part the form needs. For a face photo that means the head and shoulders. For a signature it means the ink and a thin margin. Cropping is the biggest single win because fewer pixels means fewer bytes.
  3. Make sure it is a photo, not a screenshot. Screenshots of text and lines are sharp on purpose, and sharp edges cost more to store.

Doing the compression

  1. Drop the file into the box above, or tap it to pick from your phone.
  2. Set the target to 15 and the unit to KB, then press Compress. The tool tries many JPG quality levels and keeps the highest one that fits. If quality alone cannot get there, it also shrinks the width and height a little at a time.
  3. Look at the preview and the size shown next to it. If the number is at or under 15 KB, press Download.

If step 6 does not go well

When the tool says it could not reach 15 KB, the picture is too detailed for that budget. Go back to step 2 and crop harder, or start from a picture with a plainer background. Trees, patterned curtains and crowds are expensive. A plain wall is cheap.

When the result looks too rough for your taste, look at the size you were given. If the form allows a bit more, 20 KB will look noticeably cleaner, and 10 KB is the option if the limit is stricter.

When the portal still refuses the upload, check three things: whether the limit is a maximum or a range, whether it also wants a minimum width and height in pixels, and whether it wants a specific file type. This tool always saves a JPG.

A note on dimensions

Some forms set a size in pixels as well, such as a fixed width and height. This page controls file size, not exact pixel dimensions. If the form needs both, resize the pixels in your phone gallery editor first, and then run the compression here to hit the kilobyte limit.

The picture never leaves your device while any of this happens. You can reduce photo size in KB as many times as you like, one image after another, until the number looks right.