Watermark & Logo Stamper
Stamp customizable text or logo watermarks onto images client side with position controls, opacity adjustments, and high resolution export.
How to Use the Watermark & Logo Stamper
- 1 Upload your primary image to be watermarked.
- 2 Enter custom copyright text (or upload a transparent PNG logo stamp).
- 3 Select position (Bottom-Right, Center, Bottom-Left, Top-Right) and adjust opacity, font size, and color.
- 4 Download your protected, watermarked image instantly.
Methodology & Algorithmic Standards
Uses composite canvas operations (`globalAlpha`, `fillText`, `drawImage`) to stamp typography or vector overlays directly onto base pixel buffers before blob export.
Frequently Asked Questions
Does this retain original image EXIF metadata? ▼
Canvas re-rendering strips tracking and GPS metadata by default, giving you enhanced privacy.
Can I change the watermark opacity? ▼
Yes. An intuitive slider lets you set watermark opacity between 10% and 100%.
Is there a limit on how many images I can watermark? ▼
No. Since processing is 100% client side, you can watermark unlimited images without subscription quotas.
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