ICO to AVIF Converter - Free Online Tool | ZebbyBox

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Free ICO to AVIF Converter

Convert ICO images to AVIF format online. Fast, free, and secure - your files never leave your browser.

From

Convert ICO to AVIF format.

Drop ICO images here or click to browse

Supports multiple files. All processing happens in your browser.

Quality90%

Higher quality means larger file size. 80-90% is recommended for most uses.

Features

100% free with no limits
Works entirely in your browser
No files uploaded to any server
Batch convert multiple files
Adjustable quality settings
Fast and secure

How to Convert ICO to AVIF

Converting your ICO images to AVIF format is simple:

1.Upload your ICO files — Drag and drop or click to browse. Supports batch conversion.
2.Adjust quality settings — Controls compression efficiency.
3.Click "Convert" — Processed entirely in your browser for privacy.
4.Download your AVIF files — Individual files or ZIP archive.

Why Client-Side Conversion?

•Complete Privacy: Images never leave your device
•Faster Processing: No upload/download wait times
•Works Offline: Once loaded, no internet needed
•No File Size Limits: Your browser is the only limit
•Unlimited Conversions: Free forever, no account required

ICO vs AVIF: Understanding the Difference

ICO (Icon File Format)

ICO is a special image format designed for icons in Windows applications and website favicons, capable of storing multiple sizes in a single file.

•Compression: varies

•Transparency: Yes

•Animation: No

•Since: 1985

AVIF (AV1 Image File Format)

AVIF is a next-generation image format based on the AV1 video codec, offering exceptional compression efficiency that outperforms both JPEG and WebP.

•Compression: both lossy and lossless

•Transparency: Yes

•Animation: Yes

•Since: 2019

When to use ICO:

•website favicons
•Windows application icons
•desktop shortcuts
•browser tab icons

When to use AVIF:

•maximum compression efficiency
•modern web applications
•high-quality images at small sizes
•HDR images

Frequently Asked Questions

Related Conversions

Other ICO conversions

ICOJPG

Convert ICO to JPG format.

ICOPNG

Convert ICO to PNG format.

ICOWebP

Convert ICO to WebP format.

ICOGIF

Convert ICO to GIF format.

ICOBMP

Convert ICO to BMP format.

ICOTIFF

Convert ICO to TIFF format.

ICOPDF

Convert ICO to PDF format.

Other conversions to AVIF

JPGAVIF

Convert JPG to AVIF format.

PNGAVIF

Convert PNG to AVIF format.

WebPAVIF

Convert WebP to AVIF format.

GIFAVIF

Convert GIF to AVIF format.

BMPAVIF

Convert BMP to AVIF format.

TIFFAVIF

Convert TIFF to AVIF format.

HEICAVIF

Convert HEIC to AVIF format.

SVGAVIF

Convert SVG to AVIF format.

PDFAVIF

Convert PDF to AVIF format.