DocuEnhance

Watermark Image

Add customizable text watermarks to your photos to protect your intellectual property.

Select an Image

Drop your JPG, PNG, WebP, or GIF file here

100% Private. Images are processed directly in your browser.

How to add a watermark to photos online

1

Upload Image

Select any JPG, PNG, or WebP file. It loads instantly and securely into your browser.

2

Customize Text

Type your copyright notice or brand name. Adjust the font color, opacity, and size in real-time.

3

Apply & Download

Place the watermark exactly where you want it on the 3x3 grid, then click apply to download.

Protect your Images with Custom Watermarks

In the digital age, protecting your intellectual property is more important than ever. Whether you are a professional photographer sharing proofs with clients, an artist posting to social media, or a business sharing confidential drafts, a visible watermark prevents unauthorized use and clearly identifies ownership.

100% Private Client-Side Rendering

Most online watermark tools require you to upload your precious, un-watermarked original photos to their servers. This poses a massive privacy and security risk. DocuEnhance changes the paradigm by utilizing HTML5 Canvas technology. Your images never leave your computer. The text overlay, opacity adjustments, and final rendering happen securely using your own device's processing power.

Best Practices for Watermarking

To ensure your watermark is effective without ruining the aesthetics of your photo, follow these tips:

  • Opacity is Key: A 100% solid watermark is distracting. Use our opacity slider to drop the visibility to around 30-50%, creating a subtle "ghost" effect.
  • Placement: Placing a watermark in the bottom corner is common, but it can easily be cropped out. For highly sensitive images, use the "Center" placement to cover the primary subject.
  • Learn more: Read about the history and technical applications of Digital Watermarking on Wikipedia.

Explore our other Image Tools

Once your image is protected, you might need to adjust it for different platforms. Utilize our other 100% free, private tools:

  • Need a smaller file for email? Use our Compress Image utility.
  • Need specific dimensions for Instagram or Facebook? Check out the Resize Image tool.
  • Need a transparent background? Try our AI-powered Remove Background tool.