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Convert JPEG to ICO

· Last updated：2025-10-02

Convert JPEG images to ICO format for Windows icons and favicons

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Written by the Elysia Tools team
Image355
JPEG52
JPG52
Icon12
ICO8

Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

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

  1. 1Upload your JPEG image file using the file selector.
  2. 2Specify your desired icon size in pixels, ranging from 16 to 1024.
  3. 3Click 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.

Compare alternatives

  • Convert multiple image files between different formats like JPG, PNG, WebP, AVIF, TIFF, GIF with quality settings and batch processing

  • Convert AVIF images to JPEG format with quality control, background options, and web optimization

  • Convert AVIF images to TIFF format with lossless quality, compression options, and professional workflows

Who it's for

Best for

  • Convert images in the browser.
  • Repeatable jobs with images and the same settings every time.
  • Jobs where the output is a downloadable file.

Not ideal for

  • Fully automated batch jobs — this page is built for interactive use; use the API endpoint for scripts.
  • Files in formats this tool does not accept — it works with .jpg input.

Edge cases & common failures

  • Very large files

    Large files take longer and can hit browser memory limits — try a smaller sample first.

  • Skipping the output check

    Compare the first rows or pages of the output with the input before using it in production.

  • Files from unusual exporters

    Some files use format variants that do not convert cleanly — if the output looks wrong, re-save the file from the app that created it and try again.

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.

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.

size: 256

Outcome

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.

Hub

SVG Favicon and Icon Conversion Workflow

Prepare favicon, app icon, and web icon assets from SVG, PNG, ICO, JPG, and WebP sources with conversion and optimization checks.

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