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Image Watermark Opacity

Add watermarks with custom opacity to images, supporting both text and image watermarks with advanced opacity controls

Click to upload file or drag and drop file here

Maximum file size: 10MB Supported formats: image/jpeg, image/png, image/webp, image/gif, image/bmp, image/tiff

Click to upload file or drag and drop file here

Maximum file size: 5MB Supported formats: image/jpeg, image/png, image/webp, image/gif, image/bmp, image/tiff, image/svg+xml

Key Facts

Category
Design
Input Types
file, select, text, number, color, checkbox
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

Easily protect your visual content by adding custom text or image watermarks with precise opacity control. This tool allows you to overlay branding or copyright information onto your images while adjusting transparency, positioning, and styling to ensure your watermark is professional and unobtrusive.

When to Use

  • •Protecting your original photography or digital artwork from unauthorized use.
  • •Adding consistent branding or logos to a batch of product images for your online store.
  • •Applying subtle copyright notices to images before sharing them on social media platforms.

How It Works

  • •Upload your image file and select whether you want to use a text-based or image-based watermark.
  • •Adjust the opacity, position, and scale settings to achieve the desired level of transparency and placement.
  • •Customize additional properties like font style, rotation, or shadow effects to refine the appearance.
  • •Download your watermarked image directly to your device.

Use Cases

Photographers adding a semi-transparent signature to their portfolio images.
E-commerce sellers overlaying a company logo on product photos to prevent theft.
Content creators marking social media graphics with a subtle handle or copyright text.

Examples

1. Professional Photography Branding

Freelance Photographer
Background
A photographer needs to upload a set of high-resolution photos to their website but wants to ensure their work is credited.
Problem
The watermark is too distracting and covers important details in the photos.
How to Use
Upload the photo, select 'Text Watermark', set the opacity to 0.4, and position it in the 'bottom-right' corner.
Example Config
watermarkType: 'text', opacity: 0.4, position: 'bottom-right', fontSize: 30
Outcome
The image now features a subtle, semi-transparent copyright notice that protects the work without ruining the viewer's experience.

2. E-commerce Product Protection

Online Store Owner
Background
The store owner wants to prevent competitors from stealing their unique product photography.
Problem
The logo needs to be visible but not interfere with the product visibility.
How to Use
Upload the product image, select 'Image Watermark', upload the logo file, and adjust the scale and opacity.
Example Config
watermarkType: 'image', opacity: 0.6, scale: 0.3, position: 'center'
Outcome
The product images are now branded with a professional, semi-transparent logo overlay that is difficult to remove.

Try with Samples

xml, image, png
Web Image Processing Python Samples
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Windows Image Processing C++ Samples
Windows C++ image processing examples including reading/saving images, resizing, and format conversion using Windows Imaging Component (WIC)
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Web Image Processing Rust Samples
Web Rust image processing examples including image read/save, scaling, and format conversion
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image
macOS Image Processing Objective-C Samples
macOS Objective-C image processing examples including image reading/saving, image scaling, and format conversion
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FAQ

What image formats are supported?

The tool supports JPEG, PNG, WebP, GIF, BMP, and TIFF formats for both input images and image watermarks.

Can I adjust the transparency of the watermark?

Yes, you can use the 'Overall Opacity' slider or specific text/background opacity controls to set the transparency level from 0 to 1.

Is it possible to rotate the watermark?

Yes, you can set a custom rotation angle between -180 and 180 degrees to align the watermark as needed.

Can I add a shadow to my text watermark?

Yes, you can enable the 'Enable Text Shadow' checkbox and configure the blur radius, opacity, and offset values.

Are there limits on the file size?

The main image file must be under 10MB, and any watermark image file must be under 5MB.

API Documentation

Request Endpoint

POST /en/api/tools/image-watermark-opacity

Request Parameters

Parameter Name Type Required Description
imageFile file (Upload required) Yes -
watermarkType select Yes -
watermarkText text No -
watermarkImageFile file (Upload required) No -
position select Yes -
opacity number No -
textOpacity number No -
backgroundOpacity number No -
fontSize number No -
fontColor color No -
backgroundColor color No -
rotation number No -
scale number No -
margin number No -
blendMode select No -
textStyle select No -
fontWeight select No -
textAlign select No -
shadowEnabled checkbox No -
shadowOpacity number No -
shadowBlur number No -
shadowOffsetX number No -
shadowOffsetY number No -
gradientEnabled checkbox No -
gradientStartColor color No -
gradientEndColor color No -
gradientDirection select No -

File type parameters need to be uploaded first via POST /upload/image-watermark-opacity to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
File: File

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-image-watermark-opacity": {
      "name": "image-watermark-opacity",
      "description": "Add watermarks with custom opacity to images, supporting both text and image watermarks with advanced opacity controls",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=image-watermark-opacity",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]