About Image Watermark
Adding watermarks to images is a common way to protect copyright and boost brand exposure. This tool adds text watermarks to images locally in your browser: control position, opacity, font size and rotation, tile watermarks across the whole image or place one in a corner, and export as PNG, JPEG or WebP. Images are never uploaded - ideal for sensitive material.
How to Use
- Open the Image Watermark tool page
- Enter or paste your data into the input area
- View the real-time results and use the copy button to get the output
Use Cases
- Copyright protection — Add visible watermarks to original photography and design work to deter theft.
- Brand exposure — Add a logo text watermark to social-media images to boost brand recognition.
- Internal asset marking — Stamp "Confidential" or "Draft" status watermarks on internal demo or preview images.
- E-commerce anti-theft — Add a shop watermark to product hero images to stop competitors stealing assets.
- Document watermarks — Add "For XX verification only" watermarks to ID-card or contract photos to prevent misuse.
FAQ
Does it support text or image watermarks?
The current version supports text watermarks with customizable content, font size, color, opacity and rotation angle.
Can watermarks be tiled?
Yes. Choose "Tile" mode to repeat the watermark across the entire image, making it hard to remove by cropping.
Can I control the watermark position?
A 9-grid position selector is available (top-left, center, bottom-right, etc.). Tile mode covers the whole image automatically.
Are images uploaded?
No. All watermark drawing runs locally in your browser via the Canvas API. Images are never uploaded.
Which export formats are supported?
PNG, JPEG and WebP. JPEG and WebP quality is adjustable.
Comments
💬 Comments are stored locally in your browser. Configure Giscus for cloud-based comments.