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Convert ICO to HEIF
Online & free tool to convert ICO files to HEIF

1) Input file

Choose source file(s) to convert:

0 of 5 files added (up to 600 MB combined)

2) Output format

Select a target format to convert to:

3) Convert

By clicking you agree to our terms

Fine-tune conversion output with format-specific controls.

No advanced controls available for this format.

1) File URL

Choose file URL to convert:

2) Output format

Select a target format to convert to:

3) Convert

By clicking you agree to our terms

Fine-tune conversion output with format-specific controls.

No advanced controls available for this format.

1) Cloud Service

Choose a cloud service provider:

2) Output format

Select a target format to convert to:

3) Convert

By clicking you agree to our terms

Fine-tune conversion output with format-specific controls.

No advanced controls available for this format.
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ICO

Icon File

The .ICO filename extension refers to the ICON image file format originally developed by Microsoft. The extension is used to represent computer icon images of varying sizes designed for the operating system Microsoft Windows. Its use today has extended to developing icons for programs designed using the Microsoft developer's suite Visual Studio and other applications. Similar to other device independent bitmap file formats, the ICON file format is also in the raster graphics class of image formats where each individual pixel is part of an orthogonal dot matrix data structure with support for a limited palette of color information. As a resource file, the .ico file format has its strength in contextual use. This allows for multiple icon images of different color depth or size to be stored within the resource file and used when appropriate.
HEIF

High Efficiency Image File

High-Efficiency Image File Format (HEIF) is a creation of MPEG (Moving Picture Experts Group). The format is known as a container for image files or sequences. Compared to the well-known JPEG format, it is believed that HEIF requires half the storage space without compromising the image quality. HEIF is the default format for many mobile phone devices nowadays, including Apple's iPhone.

Trusted conversion quality

FreeFileConvert uses tuned encoding for ICO to HEIF conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.

Seamless workflow

Upload ICO files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized HEIF results on any device you rely on.

Batch support for teams

Process up to 5 files sized 600 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent HEIF audio with dependable progress tracking.

About ICO

How to open ICO files

Microsoft Visual Studio
Adobe Photoshop
Adobe illustrator
MS Paint
Windows Photo Viewer

Technical details

Each .ico file begins with an icon directory specifying the number of images, color depth, and size. Through its history, ICON file formats have come from containing images at a resolution from 32x32 in monochrome, to containing images up to 256x256 in resolut…

Each .ico file begins with an icon directory specifying the number of images, color depth, and size. Through its history, ICON file formats have come from containing images at a resolution from 32x32 in monochrome, to containing images up to 256x256 in resolution with up to 16.7 million colors.

About HEIF

How to open HEIF files

Apple Preview

How to convert ICO to HEIF

STEP 1

Upload your image file in the ICO format from your device, Dropbox, or Google Drive.

STEP 2

Select HEIF as the output format and click Convert. Adjust optional settings if needed.

STEP 3

Download the converted image file. Each file stays available for up to 5 downloads.

More ICO and HEIF options

Convert other files to HEIF

Explore popular source formats that convert beautifully into HEIF.

Convert ICO to other formats

Need a different output? These conversions transform ICO into other widely used formats.

Your data, our priority

  • 256-bit SSL encrypted uploads and downloads
  • Automatic file deletion shortly after conversion completes
  • Reliable global infrastructure for consistent performance