How to convert Icon (ICO) to AVIF
- 1
Upload your file
Drag and drop a file or click to select one. Keep this page open while the file uploads and converts.
- 2
Convert Icon (ICO) to AVIF
NexMedia converts Icon (ICO) to AVIF on its own servers. Processing time depends on the file size and how busy the queue is.
- 3
Download the converted file
When the conversion finishes, the download appears on this page. Your converted file is kept for 2 hours, then deleted.
About Icon (ICO)
ICO is the Windows icon format. One .ico file can hold several images of the same icon at different sizes.
Website favicons and the icons of Windows programs and shortcuts.
Each image in an ICO file can be at most 256 × 256 pixels, so the format is not suited to photos.
Convert ICO to AVIF online free, no account required — AVIF is a modern image format based on the AV1 video codec.
Change ICO to AVIF without losing quality — convert ICO to AVIF free in your browser.
Why won't my image editor open the ICO file properly? A favicon file bundles the same icon at several sizes in one container, so most viewers show only the largest layer or open it distorted.
About AVIF
AVIF is an image format based on the AV1 video codec, published by the Alliance for Open Media in 2019. It supports lossy and lossless compression, transparency, HDR and wide colour.
Modern websites, which use it for images smaller than WebP or JPEG at similar quality.
Encoding AVIF is slow, and older software and operating systems may not open it.
Why convert images to AVIF? It is the smallest format today’s browsers accept, often half the size of JPG, with HDR and wide-colour support on top.
What changes when you convert ICO to AVIF
- The ICO picture is re-encoded as AVIF at the default quality settings, so it looks close to the original but is not bit-identical.
Settings you can change
Before you convert ICO to AVIF, you can adjust: Width, Height, Scale fit, Crop position, Never enlarge, Quality, Lossless, Progressive, Remove metadata, Auto-orient from EXIF, Rotate, and Background.
Limits
Each plan sets a maximum file size and a number of conversions per day, and video and audio files also have a maximum length. Guests can convert files up to 100 megabytes and 5 per day; a free account raises this to 500 megabytes and 25 per day; paid plans go up to 100 gigabytes.
Your converted AVIF file is kept for 2 hours, then deleted.
ICO to AVIF: questions and answers
Does converting ICO to AVIF reduce quality?
The ICO picture is re-encoded as AVIF at the default quality settings, so it looks close to the original but is not bit-identical.
What is the difference between ICO and AVIF?
ICO is the icon format of Windows and website favicons. AVIF is a modern image format based on the AV1 video codec.
Can I change the settings when converting ICO to AVIF?
Before you convert ICO to AVIF, you can adjust: Width, Height, Scale fit, Crop position, Never enlarge, Quality, Lossless, Progressive, Remove metadata, Auto-orient from EXIF, Rotate, and Background.
Do I need an account to convert ICO to AVIF?
No. You can convert ICO to AVIF without an account; signing in raises the file-size and daily limits.
How long is my converted AVIF file kept?
The AVIF file you convert from ICO is kept for 2 hours, then deleted automatically.
Is the AVIF an exact copy of my ICO?
The ICO picture is re-encoded as AVIF at the default quality settings, so it looks close to the original but is not bit-identical.
Will converting ICO to AVIF change my original file?
No. The conversion reads your ICO and writes a new AVIF file, leaving your original ICO file untouched.