Convertir PNG en ICO en ligne — Créer un Favicon

Build valid multi-resolution Windows favicon .ico files.

Drop PNG images here to convert to ICO

Generate multi-size Windows favicons and application icons (.ico)

File de Travail 0 images 0 B
Bac à sable 100 % côté client
W3C Canvas 2D & EXIF Compliant

Comment utiliser Générateur Favicon ICO

1

Sélectionner et télécharger

Upload a square PNG logo, icon, or brand mark (recommended 512×512).

2

Configurer et prévisualiser

Select the embedded frame resolutions (16×16, 32×32, 48×48).

3

Processus et téléchargement

Click 'Generate .ICO Favicon' to download your standardized favicon.ico file.

Architecture technique et confidentialité côté client

Processing Engine Browser Canvas 2D & Binary Transcoder
Privacy Model 100% In-Memory Sandbox · Zero Server Uploads
Format Standards PNG, JPEG, WebP, SVG, ICO Specifications
Execution Speed Zero Network Latency · Instant Local Output

Frequently Asked Questions

What is a multi-resolution .ico file?

A proper .ico file packages several resolution versions of your icon (16px for browser tabs, 32px for desktop shortcuts, 48px for taskbars) into a single file.

What source image should I upload for the best favicon?

Upload a square (1:1 aspect ratio) transparent PNG of at least 256×256 or 512×512 pixels with simple, recognizable shapes.

Is the generated .ico compatible with all web browsers and Windows?

Yes. The output matches standard Microsoft ICO binary format with embedded PNG frames supported by all browsers and Windows 10/11.