Online ICO Converter - Free Image Format Tool

Convert images to ICO directly in your browser without installing software. Icon format commonly used for Favicon. Each upload supports up to 30 files, with a 10 MB limit per image.

Features
Multi-size icon container, supports multiple resolutions
Use Cases
Website Favicon, app icons, desktop shortcuts
Performance
Contains multiple sizes, best compatibility

Upload Image

Drag & drop or click to select

Drag images here

or click to select files

Supports JPG, PNG, GIF, BMP, WebP, AVIF, SVG Max 10MB

When to choose ICO

Choose ICO when your project involves Website Favicon, app icons, desktop shortcuts. The right output format depends on whether you prioritize compatibility, transparency, animation, file size, or lossless detail.

For ICO, the important format behavior is: Multi-size icon container, supports multiple resolutions. In practical use, expect the following performance profile: Contains multiple sizes, best compatibility.

Learn more about ICO →

How to convert an image to ICO

  1. Upload ImageSupports JPG, PNG, GIF, BMP, WebP, AVIF, SVG. Select or drag up to 30 images, each no larger than 10 MB.
  2. Choose Format & SettingsReview the available quality setting for ICO. A lower value usually produces a smaller file, while a higher value preserves more visual detail.
  3. Download ImageAfter processing, download each ICO image separately or package multiple results into one ZIP archive.

File privacy and retention

Images are transferred over HTTPS and used only to perform the requested conversion. Uploaded and converted files are removed automatically within 24 hours. Do not upload files you are not authorized to process.

ICO converter questions

Is the ICO converter free?

Yes. TurnPic does not require an account, and the image conversion tools are available without a subscription.

Which source formats are supported?

Supports JPG, PNG, GIF, BMP, WebP, AVIF, SVG. A single batch can contain up to 30 images, and each file can be up to 10 MB.

Will conversion to ICO affect image quality?

The result depends on the source image and the selected output setting. For this format: Contains multiple sizes, best compatibility. Keep the original file when archival quality is important.