Compress an image to 50KB

Fifty kilobytes is the usual cap for application photographs on exam and job portals. It is tight, but a portrait still survives it.

Files never leave your browser

Drop images here or click to choose — every file comes out under 50 KB

What 50KB can hold

At 50 KB a photograph of a person, cropped to head and shoulders, comfortably keeps around 600 × 800 pixels. That is more than enough for any form that displays it at passport size, and more than most portals will ever show.

What it cannot hold is a wide scene — a landscape, a group photo, a full document page. Those have detail spread across the whole frame, and at 50 KB that detail has nowhere to go. If your file is one of those, expect the tool to reduce the pixel size to make the limit, and expect it to say so.

Why the result lands just under, not far under

Most tools that offer a size target overshoot downwards: ask for 50 KB and they hand back 31 KB. That looks like success and is actually waste — every kilobyte you did not use was quality you threw away for nothing.

This one searches for the highest quality that still fits. Measured across 28 runs — seven size limits against four different pictures — nothing came back over its limit, and the results filled 96% of the budget on average. A 50 KB request came back at 49,034 bytes.

If it is for an exam or job form

Check whether the form also has a minimum size — some portals reject anything under 10 or 20 KB as suspected of being blank. They rarely say this on the page. If your result comes out far below the cap and the upload is rejected anyway, that is usually why.

Check the pixel dimensions the form asks for too. A form that demands 200 × 230 pixels wants exactly that, and the size limit is a second, separate rule. Use Also limit dimensions below to satisfy both at once.

Landing just under, not far under

Ask most tools for 50 KB and they hand back something far smaller. That looks like success and is really waste — every unused kilobyte was quality given away for nothing. This searches for the highest quality that still fits. Measured across 28 runs — the seven size limits on this site against four different pictures — nothing came back over the limit, and the results filled 96% of the budget on average.

Nothing is uploaded at any point — the work happens on your own device, which is also why there is no daily limit and no watermark. How that works, and how to check it yourself.

Other size limits

Set any other limit on the main compress page, or read how upload size limits actually work.