Convert PNG to ICO Favicon Online Free

Generate crisp multi-resolution ICO icon files from transparent PNG images for websites, desktop software, and mobile apps.

Drop images here to convert
Supports JPG, PNG, WEBP, GIF, BMP, TIFF, ICO • Batch upload up to 50 files • 100% Free & Private

How to Convert Images Online in 3 Easy Steps

High-speed format conversion with custom compression and zero quality loss.

1

Upload Image Files

Select or drag & drop single or multiple JPG, PNG, WEBP, BMP, GIF, or TIFF files into the converter.

2

Configure Target Format & Quality

Pick your target format (WEBP, PNG, JPG, ICO, etc.) and tune compression quality using the precision slider.

3

Instant Download or ZIP

Download individual converted graphics or export the entire batch in a packaged ZIP archive.

Image Format Comparison Guide

Understand the benefits of modern web image formats.

Format Compression Transparency (Alpha) Best Use Case Browser Support
WEBP Lossy & Lossless (25-35% smaller than JPG) Yes (Full 8-bit Alpha) Modern Websites, Fast SEO Performance 97%+ (Chrome, Safari, Edge, Firefox)
PNG Lossless (Exact pixel fidelity) Yes (Full 8-bit Alpha) Logos, Icons, Graphics with Text 100% Universal
JPG / JPEG Lossy (High compression) No (Opaque only) Photographs, Scans, Print media 100% Universal
ICO Multi-layer Container Yes (Transparent Favicons) Website Favicons, Desktop Icons 100% Universal

Frequently Asked Questions

Everything you need to know about image conversions.

What resolutions are included in the generated ICO file? +
PDFRack embeds 16x16, 32x32, 48x48, 64x64, 128x128, and 256x256 pixel layers into a single ICO container for crisp rendering across browser tabs and desktop shortcuts.
Is transparency preserved in the ICO icon? +
Yes, alpha transparency from your PNG file is fully preserved in the ICO container.