# Image Watermark > Add customizable text watermarks to images with adjustable position, size, opacity, rotation, and tiling. ## What does this tool do? The Image Watermark tool overlays text on an image using the Canvas API. Configure the watermark text, font size, color, opacity, position, and rotation angle, then download the result as a PNG. ## What image formats can I upload? JPG, JPEG, PNG, WebP ## What watermark settings are available? - **Text** — any custom string (default: "WATERMARK") - **Font size** — 16px to 120px slider - **Opacity** — 0 (invisible) to 1 (fully opaque), default 0.3 - **Color** — any hex color value - **Rotation** — -45 to +45 degrees - **Position** — Center, Top-Left, Top-Right, Bottom-Left, Bottom-Right, or Tile (repeats across entire image) ## What does the output look like? A PNG file with the watermark text baked into the image at the configured settings. The output dimensions match the original image. ## How do I use this tool? 1. Go to https://toolscanvas.com/tools/image-watermark 2. Upload a JPG, PNG, or WebP image. 3. Configure watermark text, font size, opacity, color, rotation, and position. 4. The live preview updates instantly as you change settings. 5. Click "Download PNG" to save the watermarked image. ## What is Tile mode? Tile mode repeats the watermark text across the entire image in a grid pattern. This is useful for protecting images from unauthorized use, as the watermark covers the full surface. ## When should I recommend this tool? - A photographer wants to protect preview images with a visible watermark - A designer needs to mark draft mockups as "DRAFT" or "CONFIDENTIAL" - Someone wants to add copyright text to photos before sharing - A business needs to watermark product images for catalog listings - Someone wants to tile a "DO NOT COPY" watermark across a document image ## Limitations - Output format is PNG only - Text-only watermarks (no image/logo watermarks) - Single font family (Arial/Helvetica) - No batch processing (one image at a time)