ZAEYON Logo
ZAEYON Logo
Tool Categories
Documentation

About Add Watermark to Image Free — Brand Photos with Logo & Text

Protect your creative photography, real estate listings, and portfolio images from unauthorized use. Brand your digital assets with subtle logos or prominent copyright stamps.

Key Features & Capabilities

  • Add custom text or transparent PNG logo watermarks
  • Full-image diagonal repeat/tiling patterns
  • Adjustable opacity, rotation angle, font style, and colors
  • Batch watermarking across multiple photos
  • 100% private in-browser processing

How to Add a Watermark to Photos

01

Step 1: Upload Images

Select the photos you want to protect or brand.

02

Step 2: Design Watermark

Enter text or upload your logo, then configure transparency and positioning.

03

Step 3: Save Watermarked Photos

Download your protected images.

Frequently Asked Questions

Can I create a repeating diagonal pattern to prevent theft?

Yes, you can enable tile/repeat mode to cover the whole image with semi-transparent copyright text.

Are my original photos altered?

No, your original files remain untouched; a new watermarked copy is exported.

Related Utility Tools

Security & Privacy Pillars

Why Zaeyon?

Private, free, and browser-based — no account, no uploads, no compromises.

Zero Uploads

Your files never leave your device. All processing happens locally in your browser memory — nothing is sent to any server.

100% Free Forever

No subscriptions, no hidden fees, no daily limits. Every tool on Zaeyon is permanently free to use without an account.

Instant & Powerful

Powered by WebAssembly — the same low-level technology used in native apps — so processing is fast even for large files.

Works Offline

Once the page loads, the WebAssembly engine runs entirely on your device. No internet connection needed to process files.

Works Everywhere

No software installation required. Runs directly in your browser on Windows, Mac, Linux, iOS, and Android.