Image Watermark Diagonal

Add diagonal watermarks to images with customizable angle, size, opacity, and positioning across the image

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 & Color
Input Types
file, number, select, checkbox
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

The Image Watermark Diagonal tool allows you to protect your visual assets by overlaying custom watermarks at specific angles across your images. With precise controls for opacity, scale, and repetition, you can easily apply professional branding or copyright marks to your photos and graphics.

When to Use

  • •Protecting your original photography or digital artwork from unauthorized use.
  • •Applying consistent brand identity across a batch of product images.
  • •Adding subtle copyright notices to images before sharing them on social media.

How It Works

  • •Upload your main image and the watermark file you wish to apply.
  • •Adjust the diagonal angle, scale, and opacity to achieve the desired visual effect.
  • •Configure the spacing, repeat count, and blend mode to integrate the watermark seamlessly.
  • •Process the image to generate your watermarked file for download.

Use Cases

Adding a semi-transparent brand logo across product photography to prevent image theft.
Creating a repeating diagonal pattern of copyright text for professional portfolio protection.
Applying consistent watermark overlays to social media content to maintain brand recognition.

Examples

1. Protecting Product Photography

E-commerce Store Owner
Background
An online retailer needs to protect their high-quality product photos from being copied by competitors.
Problem
Manual watermarking is tedious and often results in inconsistent placement.
How to Use
Upload the product image and the brand logo, set the angle to 45 degrees, and adjust opacity to 0.3 for a subtle look.
Example Config
diagonalAngle: 45, opacity: 0.3, repeatCount: 3
Outcome
The product images are now uniformly branded with a professional, non-intrusive diagonal watermark.

2. Copyrighting Digital Art

Freelance Illustrator
Background
An artist wants to share their work on social media but fears unauthorized redistribution.
Problem
The artist needs a way to mark their work without obscuring the main subject.
How to Use
Use a text-based watermark image, set the blend mode to 'Overlay', and increase the repeat count to cover the canvas.
Example Config
blendMode: 'overlay', repeatCount: 5, scale: 0.2
Outcome
The artwork is protected by a subtle, repeating watermark that is difficult to remove without damaging the underlying image.

Try with Samples

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

Related Hubs

Xml Convert Tools
Explore 33 xml tools for convert workflows and compare closely related utilities quickly.
Image Format Conversion and Animated Export Tools
Compare image format converters for JPG, PNG, GIF, AVIF, WebP, TIFF, ICO, base64, and animation-friendly exports in one hub.
Image Cleanup, Framing, and Batch Prep Tools
Compare image cleanup, trimming, padding, framing, batch resize/compress, watermarking, and visual polish tools in one hub for asset preparation workflows.
Image Metadata, EXIF, and Privacy Cleanup Tools
Compare image metadata viewers, EXIF/IPTC/XMP inspectors, orientation fixers, metadata editors, and privacy cleanup tools for photo publishing workflows.

FAQ

What file formats are supported for the main image?

You can upload JPEG, PNG, WebP, GIF, BMP, and TIFF files.

Can I use an SVG file as a watermark?

Yes, the tool supports SVG files for watermarks, along with standard image formats like PNG and JPEG.

How do I change the intensity of the watermark?

Use the 'Opacity' slider to adjust the transparency of the watermark, ranging from 0 (invisible) to 1 (fully opaque).

Can I place multiple watermarks on one image?

Yes, you can use the 'Repeat Count' setting to distribute multiple instances of your watermark across the image.

Is there a limit to the file size I can upload?

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

API Documentation

Request Endpoint

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

Request Parameters

Parameter Name Type Required Description
imageFile file (Upload required) Yes -
watermarkImageFile file (Upload required) Yes -
diagonalAngle number No -
scale number No -
opacity number No -
spacing number No -
margin number No -
blendMode select No -
repeatCount number No -
centerOnDiagonal checkbox No -
autoFit checkbox No -
stretchToFit checkbox No -

File type parameters need to be uploaded first via POST /upload/image-watermark-diagonal 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-diagonal": {
      "name": "image-watermark-diagonal",
      "description": "Add diagonal watermarks to images with customizable angle, size, opacity, and positioning across the image",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=image-watermark-diagonal",
      "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]