What can I do with Add Image Watermark?

Place a logo over a photo with opacity and corner controls. Add Image Watermark is part of the Photo shelf on utils.sbs and is designed for quick, one-off tasks.

Is Add Image Watermark free to use?

Yes. Add Image Watermark is free, requires no account, and has no per-file or per-use charge.

Are my files uploaded when I use Add Image Watermark?

No. Add Image Watermark is designed to process your input locally in the browser. Files are not uploaded to a server for processing.

What formats does Add Image Watermark support?

It accepts common browser image formats such as PNG, JPEG and WebP, and lets you download the processed image in the output format you choose.

Can I use Add Image Watermark on my phone?

Yes. Add Image Watermark is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

Photo tool

Add Image Watermark

Place a logo over a photo with opacity and corner controls.

Runs on-deviceNo sign-upFree

All photo tools

Workspace

Add Image Watermark

Runs locally

Base image + logo

or · first image, then logo

You can add more than one.

Position

Opacity0.6

Logo width22

Images are decoded and transformed with the Canvas API in this tab. Nothing is sent over the network.

Your image preview will appear here.

The guide

By the utils.sbs team · Reviewed November 2026 · How we build and review tools

Quick answer

Add Image Watermark is a free browser-based photo tool. Place a logo over a photo with opacity and corner controls. It runs with the Canvas API locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.

What is Add Image Watermark?

Add Image Watermark is a free browser-based photo tool from utils.sbs. Place a logo over a photo with opacity and corner controls. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.

At a glance

Category	Photo
Input	PNG, JPEG, WebP or another browser-decodable image
Output	A processed image or archive in the selected output format
Engine	the Canvas API
Processing	In your browser
Price	Free
Account	Not required

How Add Image Watermark works

Images are decoded and transformed with the Canvas API. Filters, resizing and format conversion happen locally, so the source file is never sent over the network.

How to use Add Image Watermark

1Open Add Image Watermark and add your input.
2Adjust the options: position, opacity, logo width.
3Run the tool, check the preview or result, and download the output.

When to use Add Image Watermark

Prepare an image for a website, email or social post.
Convert between modern image formats without a desktop editor.
Reduce file size or crop a screenshot before sharing it.

Inputs and options

Position: Choose one of 5 options.
Opacity: Set this value before running the tool.
Logo width: Set this value before running the tool.

Limitations

Very large images can hit the device's memory limit, and output quality depends on the browser's canvas encoder.

Privacy and accuracy

Add Image Watermark processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.

FAQ