IMAGE TOOL

Add Watermark to Image

Add watermark to images online for free. Protect your photos with text or image watermarks directly in your browser. No upload required.

✓ Free to use ✓ No account required ✓ Text & image watermarks ✓ Privacy-first ✓ Adjustable opacity
// ADD_WATERMARK

Add Watermark to Image

LOCAL

Drop your image here

or select a file from your device

JPG · PNG · WebP

Watermark Applied

Original Size
Watermarked Size
Watermark Type
Download Watermarked Image

Free Online Watermark Tool

zenlyta's watermark tool helps you protect your images by adding text or image watermarks. Perfect for photographers, artists, and content creators who want to protect their work.

No account is required. All processing happens locally on your device, ensuring your images remain private.

How to Add Watermark to Image

  1. Select a JPG, PNG, or WebP image from your device.
  2. Choose between text or image watermark.
  3. Customize the watermark content, position, opacity, and size.
  4. Click "Apply Watermark" and preview the result.
  5. Download the watermarked image.

Why Add Watermarks?

Watermarks help protect your intellectual property, prevent unauthorized use of your images, and promote your brand. They're essential for photographers, designers, and content creators.

Privacy-First Image Processing

zenlyta is designed around a client-side, privacy-first architecture. For supported local processing, your image never leaves your device.

Learn more about how zenlyta works on the System Architecture page and read our Privacy Policy.

Supported Image Formats

JPGCommon photographic image format
PNGLossless format with transparency support
WebPModern web-focused image format

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Frequently Asked Questions

Is zenlyta's watermark tool free?

Yes. zenlyta's core browser tools are designed to be free to use without requiring an account.

Are my images uploaded?

Supported client-side image processing happens directly in your browser. The selected image does not need to be uploaded to a zenlyta file-processing server.

What types of watermarks can I add?

You can add both text watermarks and image watermarks (logos). Both support opacity and position adjustments.

What image formats are supported?

The tool supports JPG, PNG, and WebP images for the main image, and PNG, JPG, WebP for watermark images.

Can I add watermark on my phone?

The tool is designed to work in modern desktop and mobile browsers. Performance may vary depending on the device and image size.