Convert AVIF to ICO Online — Free & Private

Convert your AVIF images to ICO format directly in your browser. No file uploads, no server — your images stay on your device.

Drop your images here

or click to browse

Accepts JPEG, PNG, WebP, AVIF, TIFF, GIF, BMP, HEIC, PSD, SVG

85%

How to Convert AVIF to ICO

  1. Click the drop zone above or drag and drop your AVIF image(s) into it.
  2. Make sure ICO is selected as the output format.
  3. Adjust the quality slider if needed (higher = better quality, larger file).
  4. Click "Convert all" and wait for the conversion to complete.
  5. Download your converted ICO file(s).

What is AVIF?

AV1 Image File Format (AVIF) — A next-generation format based on the AV1 video codec. Delivers superior compression — up to 50% smaller than JPEG — with support for HDR, wide color gamut, and transparency.

  • Format type: Lossy / Lossless
  • File extension: .avif

What is ICO?

ICO (Icon) Format (ICO) — The standard format for favicons and Windows application icons. Supports multiple sizes and color depths within a single file, with transparency.

  • Format type: Lossless
  • File extension: .ico

Why Convert AVIF to ICO?

Both AVIF and ICO are lossless formats, so converting between them preserves full image quality. This conversion is useful for compatibility — ICO may be better supported by your software, platform, or workflow.

AVIF vs ICO — Key Differences

Feature AVIF ICO
Full name AV1 Image File Format ICO (Icon) Format
Compression Lossy / Lossless Lossless
File extension .avif .ico

Frequently Asked Questions

Is this converter free?

Yes, completely free. There are no limits on the number of conversions, no file size restrictions, and no account required.

Is my image data safe?

Absolutely. Your files never leave your device. All conversion happens locally in your browser using the Canvas API — no data is uploaded to any server.

What browsers are supported?

This converter works in all modern browsers including Chrome, Firefox, Safari, and Edge. Some output formats (AVIF, WebP) may have limited support in older browsers.

Can I convert multiple files at once?

Yes. You can drop or select multiple AVIF files and they will all be converted to ICO in sequence.

Will I lose quality when converting?

No. ICO is a lossless format, so the conversion preserves all image data without any quality loss.