Image Watermarker

Add customizable text watermarks to your images online. Adjust position, size, color, opacity, and font. Supports PNG, JPG, and WebP. 100% client-side — your images never leave your device.

💧 Drag & drop an image here or Supports PNG, JPG, WEBP (max 10MB)

About Image Watermarker

Protect your images with custom text watermarks. Perfect for photographers, content creators, and businesses who want to brand their visuals or protect copyrights. This tool uses the HTML5 Canvas API to render watermarks entirely in your browser — your images never leave your device. Customize position, font, color, opacity, and even tile the watermark across the entire image.

Features

  • 100% client-side processing — images never uploaded to any server
  • 9 preset positions + custom placement option
  • Adjustable font size, family, color, opacity, and rotation
  • Tile/repeat mode to cover the entire image
  • Drag & drop or click to upload — no installation needed
  • Download watermarked images in one click

Common Use Cases

  • Brand photos with your logo or company name
  • Protect copyright on shared images and screenshots
  • Add confidential labels to internal documents
  • Create preview watermarks for client galleries

FAQ

Is my image data safe?

Yes. All watermarking happens directly in your browser using the Canvas API. Your images are never transmitted to any server.

What formats are supported?

Input: PNG, JPEG, WebP. Output: PNG (recommended for transparency), JPEG, or WebP.

Can I use my own logo image?

Currently this tool supports text-based watermarks only. For image logo watermarks, use our Image Editor tools in combination.

What is the maximum file size?

Maximum upload size is 10MB, which covers most common use cases.

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