Image Watermark
Add a custom text watermark to your photos — set the font, color, opacity, position and rotation, then download the result as a PNG.
🔒 Processed locally in your browser
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How to use
- Drag and drop an image, or click the box to browse and upload one (PNG, JPEG or WebP).
- Type your watermark text, such as a copyright notice or "DRAFT".
- Adjust font size, color, opacity and rotation, and pick a position from the 3x3 grid.
- Watch the live preview update instantly, then click Download to save the result as a PNG.
Features
- Full control over font size, color, opacity and rotation angle
- 3x3 grid position picker for precise watermark placement
- Live canvas preview updates instantly as you adjust any setting
- Diagonal watermark support via adjustable rotation, great for "DRAFT" or copyright marks
- 100% client-side — your images are never uploaded to a server
Frequently asked questions
Is my image uploaded to a server?
No. The watermark is drawn entirely in your browser using the Canvas API. Your image never leaves your device.
Can I add a diagonal watermark?
Yes. Use the rotation slider to angle the text anywhere from -45 to 45 degrees, which is ideal for classic diagonal "DRAFT" or copyright-style watermarks.
What image formats are supported?
You can upload PNG, JPEG or WebP images. The watermarked result is always downloaded as a PNG to preserve transparency and quality.
Can I control exactly where the watermark appears?
Yes. Use the 3x3 position grid to anchor the watermark to any corner, edge midpoint, or the center of the image.
Will the watermark resolution match my original image?
Yes. The watermark is drawn directly onto a canvas at your image's original resolution, so the downloaded PNG keeps the same dimensions as the source image.