Free tool

Watermark Image

Add a custom text or logo watermark to protect your images before sharing.

Original Image

Click to upload image

or drag and drop here

Output Result Ready

Waiting to process

How to use Watermark Image

Enter text, configure options, or upload a file as required by the tool.
Click "Run Tool" and review the preview or result.
Copy the text output or download generated files — downloads are deleted after streaming.

Privacy model

Server-side file tools use temporary storage only. Files are deleted in a finally block after processing or download. No file history is stored.

Common Questions

Frequently Asked Questions

Everything you need to know about using Watermark Image safely, accurately, and privately.

Does Watermark Image reduce image quality?

Our image tools utilize intelligent visual compression and high-precision Canvas rendering algorithms that preserve sharp edges and color fidelity while dramatically reducing file size.

Are sensitive photos or private documents safe to process?

Yes. Processing takes place locally in your web browser. Metadata (EXIF) can be stripped automatically to protect your privacy and location data.

What image file formats are supported?

LoomFree supports PNG, JPEG/JPG, WebP, SVG, GIF, and Base64 data URI streams.