PdfPixel.Tech100% client-side
Exact-size JPEG compressor

Compress a JPEG to 10 KB Online Free

10 KB is the tightest window forms ask for: single signatures, small stamps and thumbnail photos where the portal counts every byte. | Tiny scans and signature files.

Compress to 10 KB now
The tool opens with the 10 KB target already applied | nothing is uploaded anywhere.

At 10 KB the encoder must give up real detail, so flat subjects win: a signature on white paper, a stamp scan or a simple ID thumbnail compresses cleanly, while a busy photograph turns to soup. The live preview shows exactly what the size budget buys before you download.

Typical askers: state portal signature boxes (10-20 KB), old government forms, bank upload screens and exam thumbnail slots.

Portals reject files by the byte, so guessing with quality sliders wastes hours. This preset runs a measured quality ladder (and downscales only if quality alone cannot reach the target) on your own device, then reports the achieved size before you download. Your file never leaves the browser tab.

Will the image still look acceptable at 10 KB?
It depends on the picture: tight crops and flat subjects compress beautifully, while wide busy photographs give up fine detail. The live preview lets you judge before downloading.
Is my photo uploaded anywhere?
No. Every pixel is processed by JavaScript inside your own browser tab | nothing is sent to a server, stored or logged, which matters when the file is an ID photo or signature.
Does this work on my phone?
Yes. The tool is fully responsive and touch friendly, and the whole conversion runs in the mobile browser itself | no app install.

How to hit 10 KB exactly

  1. Open the tool with the button above | the 10 KB target is pre-filled.
  2. Add your JPEG (or any image | PNG converts automatically in target mode).
  3. Run and check the achieved size on the result card.
  4. Download | the file measures 10 KB or less, guaranteed.

Other exact JPEG sizes

JPEG to 10 KBJPEG to 25 KBJPEG to 30 KBJPEG to 40 KBJPEG to 150 KBJPEG to 300 KBJPEG to 500 KB20-50 KB windowImage to JPGJPEG to PNG