PNG Watermark Maker
Add Watermarks to PNG Images Online
The PNG Watermark Maker by RIACOTools lets you add customizable text watermarks to images directly in your browser. Upload your PNG or image, customize the watermark appearance, and instantly download the protected image.
This tool is ideal for photographers, designers, creators, online sellers, agencies, and developers who need to protect images, display branding, or add copyright information to graphics and product photos.
Features
- Add customizable text watermarks to PNG images
- Control watermark opacity and transparency
- Adjust watermark font size instantly
- Choose custom watermark colors
- Place watermark in multiple positions
- Real-time preview generation
- Download final watermarked PNG instantly
- Fully browser-based processing
- No uploads or server-side image storage
Common Use Cases
- Protect artwork and digital assets
- Add branding to product images
- Create copyright overlays for photography
- Watermark social media graphics
- Prepare preview images for marketplaces
- Add company or agency branding to visuals
How It Works
- Upload your PNG or image file
- Enter your watermark text
- Adjust font size, opacity and color
- Select the watermark position
- Preview the result instantly
- Download the final watermarked PNG
Frequently Asked Questions
Are my images uploaded to a server?
No. All image processing happens locally in your browser using the Canvas API. Your files never leave your device.
Can I customize watermark transparency?
Yes. You can fully control watermark opacity to create subtle or highly visible overlays.
Does the tool support only PNG files?
The tool works with PNG and most common image formats supported by modern browsers, including JPG and WebP.
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