How do I convert ICO to AVIF?

Upload your ICO file above. It is converted to AVIF automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.

Does converting ICO to AVIF lose quality?

AVIF is lossy by default, so some fine detail is discarded to make the file smaller. Raise the quality or switch on lossless in Settings for a closer copy.

Will the AVIF keep the transparent background?

Yes. AVIF supports smooth, partial transparency, so transparent areas stay transparent.

ICO or AVIF: which should I use?

Use ICO for website favicons and Windows app or shortcut icons. Use AVIF for the smallest high-quality images for websites and apps. Keep in mind the main drawback of AVIF: it is slow to create and many editing apps and older devices can't open it.

Was ist eine ICO-Datei?

An ICO file bundles one picture at several sizes, from 16 to 256 pixels, so browsers and Windows can pick the sharpest version for a tab, bookmark or desktop shortcut.

Is the ICO to AVIF converter free?

Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

Convert ICO to AVIF — Smallest High-Quality Images

Convert ICO to AVIF online for very small web images that keep transparency. No software to install. Preview one free or batch-convert with Premium.

Drop your ICO file or click to browse

Why convert ICO to AVIF?

Transparent areas stay transparent: AVIF supports smooth, partial transparency just like ICO.
AVIF is made for the smallest high-quality images for websites and apps.

What to expect when converting ICO to AVIF

AVIF uses lossy compression by default; raise the quality or switch on lossless in Settings for a closer copy.
Ihre ursprüngliche ICO-Datei bleibt unverändert: Sie laden eine neue AVIF-Kopie herunter.

ICO vs. AVIF

Funktion	ICO	AVIF
Vollständiger Name	Windows-Symbol	AV1 Image File Format
Herkunft	Created by Microsoft for Windows icons	Released by the Alliance for Open Media in 2019
Komprimierung	Lossless images at several sizes	Verlustbehaftet oder verlustfrei
Transparenz	Yes — smooth, partial transparency	Yes — smooth, partial transparency
Animation	Nein	Ja
Farbe	Vollfarbe mit Transparenz	8, 10 or 12 bits per channel, including HDR
Wo es sich öffnen lässt	Browsers (as favicon.ico), Windows and icon editors	Current Chrome, Edge, Firefox and Safari 16+; fewer editing apps
Am besten für	website favicons and Windows app or shortcut icons	the smallest high-quality images for websites and apps
Größter Nachteil	icons are square and at most 256 × 256 pixels	es lässt sich nur langsam erstellen, und viele Bearbeitungs-Apps und ältere Geräte können es nicht öffnen

In short: choose ICO for website favicons and Windows app or shortcut icons; choose AVIF for the smallest high-quality images for websites and apps.

Frequently asked questions

How do I convert ICO to AVIF?: Upload your ICO file above. It is converted to AVIF automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.
Does converting ICO to AVIF lose quality?: AVIF is lossy by default, so some fine detail is discarded to make the file smaller. Raise the quality or switch on lossless in Settings for a closer copy.
Will the AVIF keep the transparent background?: Yes. AVIF supports smooth, partial transparency, so transparent areas stay transparent.
ICO or AVIF: which should I use?: Use ICO for website favicons and Windows app or shortcut icons. Use AVIF for the smallest high-quality images for websites and apps. Keep in mind the main drawback of AVIF: it is slow to create and many editing apps and older devices can't open it.
Was ist eine ICO-Datei?: An ICO file bundles one picture at several sizes, from 16 to 256 pixels, so browsers and Windows can pick the sharpest version for a tab, bookmark or desktop shortcut.
Is the ICO to AVIF converter free?: Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

Das können Sie mit ICO zu AVIF machen

Überprüfen Sie die Hauptfunktionen, bevor Sie beginnen.

Convert ICO files to AVIF online
Choose AVIF quality or switch to lossless
Switch to any other output format in Settings
Batch-convert many ICO files into one ZIP
Preview the result before you download

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Referenz zu den Einstellungen

Verfügbare Steuerelemente für ICO zu AVIF.

Einstellungen

AusgabeformatRunterfallen: Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.Optionen: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
QualitätSchiebereglerBereich: 20–100 · Standard: 90: For JPG, WebP, AVIF and image-to-PDF output: higher keeps more detail but makes a bigger file; 60–80 suits most photos. Documents (Publisher, XPS, EPS…) become PDFs with every page and sharp text, with no quality setting.
Verlustfreier ModusEin / Aus: For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
HintergrundfüllungFarbwähler: Für JPG-, BMP- und Bild-zu-PDF-Ausgaben, die keine Transparenz speichern können: die Farbe, mit der transparente Bereiche gefüllt werden (standardmäßig Weiß).

Modus

Einzelne Datei / StapelRunterfallen: Verarbeiten Sie eine Datei oder einen Stapel mit gemeinsamen Einstellungen. Batch-Ergebnisse als eine ZIP-Datei herunterladen.Optionen: Einzelne DateiStapel

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