Are my original images saved or uploaded?

No, all watermarking is rendered purely within your browser canvas sandbox.

What formats are supported?

Supports PNG, JPEG, WEBP, and SVG image uploads.

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Image Watermark Tool

Add custom text watermarks with position, opacity, font, and rotation controls.

How to Use Image Watermark Tool

1Upload or drop your image into the dropzone.
2Type your watermark text (e.g. copyright notice, brand name, or website).
3Choose placement (Center, Corners, or Tiled pattern).
4Adjust font size, opacity, color, and rotation angle.
5Download the watermarked PNG image instantly.

Key Features & Benefits

Custom watermark text with real-time canvas rendering
9 anchor positions plus repetitive tiled watermark mode
Full control over opacity, font size, and text color
Arbitrary text rotation angles (-180° to 180°)
100% client-side privacy — your photos never leave your device

About Image Watermark Tool

Protect your photos and graphics client-side. Add customizable text watermarks, adjust transparency, font size, text color, rotation, and choose from 9 alignment positions or repetitive tiled watermarking.

Unlike traditional web tools that send your personal data, uploaded photos, or sensitive text to remote cloud servers, our Image Watermark Tool operates strictly inside your client browser sandbox. This guarantees high processing speeds without network throttling, and ensures your data privacy is completely preserved.