What this tool is for
Add a watermark or logo
Place a simple mark onto an image. The aim is a useful result without making you learn a full piece of software first.
Free · No sign-up · PrivateImage & Photo · Protect
Add a watermark.
Choose the size, opacity, angle and position — or repeat it across the whole image. Nothing is uploaded.
1 Choose2 Adjust3 Live preview4 Download
Good to know
Use a mark people can still recognise.
A visible watermark can discourage casual reuse, but no watermark is impossible to crop or edit out.
Before you finish
A quick check makes a better result.
OutMonkey is built to be simple enough for someone doing this once and useful enough for someone who does it every day.
Good to know
Keep the original until you’re happy.
Open the finished image once before you send or upload it. Check the crop, sharpness and file size at normal viewing size, not only while zoomed in.
If the result is for someone else, open it once as they would see it. That simple check catches a surprising number of tiny mistakes.
In plain English
You do not need to be an expert.
If you are helping someone who does not work with images every day, the destination matters more than the jargon: email, print, a website, an ID form or social media.
For most image jobs, start with where the image is going: email, print, a website, an ID form or a social platform.
File size & formats
Big images use more memory than their file size suggests.
What can I use?
JPG, PNG and WebP are the safest choices. Other image formats work when your browser can decode them.
Is there a size limit?
There is no extra OutMonkey upload-size cap in the browser interface. Very high-resolution images can still hit your browser or device memory limit, especially when enlarging them.
If the file is huge
If an enormous image will not process, use a smaller copy or reduce its pixel dimensions first. Keep the original untouched.