Precise
Hit the exact limit your upload portal expects.
Exact local compression
Compress JPG to 100KB Online
Compress JPG to 100KB online for job forms, applications, and photo uploads while keeping the best quality possible.
Private
Your file stays in your browser instead of being uploaded to a server.
Fast
Open the tool, hit the target, and download the result in one flow.
First file free. More files today are $3.99. No upload, no guessing.
When this page helps
Use this page when you need Compress JPG to 100KB Online for a form, portal, or email attachment. UnderByte lets you aim at the limit directly instead of guessing export settings over and over.
For photos, signatures, and profile pictures, crop tightly before compressing so you are not wasting bytes on blank space. JPG usually reaches strict limits faster than PNG.
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Resize Image to 200x200 and Compress Online
Resize an image to fit within 200x200 pixels, then compress it under a strict upload limit in your browser.