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Convert JPEG to ICO

Convert JPEG images to ICO format for Windows icons and favicons

Click to upload file or drag and drop file here

Maximum file size: 10MB Supported formats: image/jpeg, image/jpg

Key Facts

Category
Media
Input Types
file, number
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

Easily convert your JPEG images into ICO format with this efficient online tool, perfect for creating custom Windows application icons or website favicons.

When to Use

  • •When you need to create a favicon for your website to display in browser tabs.
  • •When you want to customize the icon of a Windows application or shortcut.
  • •When you need to convert high-resolution JPEG photos into a standard icon format.

How It Works

  • •Upload your JPEG image file using the file selector.
  • •Specify your desired icon size in pixels, ranging from 16 to 1024.
  • •Click the convert button to generate and download your new ICO file.

Use Cases

Generating professional favicons for web development projects.
Creating custom desktop icons for personal software shortcuts.
Preparing image assets for Windows software distribution.

Examples

1. Website Favicon Creation

Web Developer
Background
A developer needs to add a branding icon to their website's browser tab.
Problem
The source logo is a high-resolution JPEG, but browsers require an ICO format for favicons.
How to Use
Upload the logo.jpg file and set the size to 32 pixels for a standard favicon.
Example Config
size: 32
Outcome
A perfectly sized 32x32 ICO file ready to be uploaded to the website root directory.

2. Custom Desktop Shortcut

Power User
Background
A user wants to change the default icon of a desktop shortcut to a custom photo.
Problem
Windows shortcuts only accept ICO files for custom icons.
How to Use
Upload the desired photo, set the size to 256 pixels for high-quality display, and convert.
Example Config
size: 256
Outcome
A high-quality 256x256 ICO file that can be applied to any Windows shortcut properties.

Try with Samples

image, jpg, video
Web Image Processing Python Samples
Web Python image processing examples using PIL/Pillow including reading, saving, resizing, and format conversion
preferred input family image
image
Web Image Processing Go Samples
Web Go image processing examples including image reading/saving, image resizing, and format conversion
preferred input family 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)
preferred input family image
image
Web Image Processing Rust Samples
Web Rust image processing examples including image read/save, scaling, and format conversion
preferred input family image
image

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FAQ

What is an ICO file?

An ICO file is an image format used for icons in Microsoft Windows and as favicons for websites.

Can I choose the size of the icon?

Yes, you can specify the output size between 16 and 1024 pixels.

Is there a file size limit for uploads?

Yes, the tool supports JPEG files up to 10MB.

Does this tool support other image formats?

This specific tool is optimized for converting JPEG and JPG files to ICO.

Is the conversion process secure?

Yes, your files are processed securely and are not stored on our servers after the conversion is complete.

API Documentation

Request Endpoint

POST /en/api/tools/jpg-to-ico

Request Parameters

Parameter Name Type Required Description
imageFile file (Upload required) Yes -
size number No -

File type parameters need to be uploaded first via POST /upload/jpg-to-ico 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-jpg-to-ico": {
      "name": "jpg-to-ico",
      "description": "Convert JPEG images to ICO format for Windows icons and favicons",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=jpg-to-ico",
      "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]