Educational Guide & Technical Specifications
About the Watermark Image
Overlays custom text strings or logo graphics onto photos with customizable opacity, rotation, font styling, and 9-point grid alignment directly in browser memory.
How to Use the Interface
1
Upload Main Photo
Load the base photo you wish to protect.
2
Configure Watermark
Select Text or Logo mode, input your copyright text or upload logo, and adjust opacity and position.
3
Download Watermarked Image
Save the flattened image to your local device.
Technical Format Specifications
Supported Inputs
- Base Image: PNG, JPG, WebP. Logo: PNG, JPG, WebP.
Supported Outputs
- PNG, JPG
Size CeilingUp to 50 MB
Processing Boundaries & Hardware Constraints
- •Watermarks are baked directly into the flattened pixel array upon export and cannot be toggled off after saving.
Local Privacy & Data Handling
- In-browser canvas composition ensures your original photography and logo graphics remain private.
Common Practical Use Cases
Protecting Creative Photography
Stamp copyright notices and photographer names across sample images.
Branding Marketing Graphics
Add subtle company logos in corner positions across social media assets.
Frequently Asked Questions
Can someone remove the watermark from my exported photo?
The watermark is permanently merged into the output pixel matrix upon export. While simple watermarks on plain backgrounds can sometimes be cloned out, semi-transparent watermarks placed across complex textures are difficult to remove.