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Image format

ICO File Format

ICO is the icon format commonly used for app icons, favicons, and Windows-style icon assets. It is mostly relevant for interface assets, branding, and compatibility with icon-based systems.

Practical format guideCommon conversionsComparison-ready
Back to formatsOpen ConverterTry ICO → PNG
Format snapshot

ICO at a glance

Quick facts to help you understand where ICO fits before you convert.

Type
Image format
Best for
Favicons, App and website icons
Popular conversion
ICO → PNG
Recommended
Web and sharing workflows

Why people use ICO

Useful for favicons and icon-related design work.
Relevant for Windows icons and small branded assets.
Often created from PNG or converted back into PNG for editing.

Best use cases for ICO

Favicons
App and website icons
Small interface assets
Common conversions

Popular ICO conversion paths

These are some of the most practical conversion routes people use when working with ICO files in everyday compatibility, editing, playback, sharing, extraction, and optimization workflows.

ICO → PNGICO → JPGPNG → ICOWEBP → ICO
Related formats

Explore similar formats

If you are comparing workflows, compression behavior, compatibility, playback support, or output quality, these related formats are worth checking before you convert.

PNGJPGWEBPAVIF

Start from the converter

If you already know your target format, you can jump directly into the converter and start with a ICO-related workflow right away.

Open ConverterICO → PNG

Browse more format guides

Converto includes guides for audio, video, and image workflows. These pages help users understand where each format fits before converting and which route makes the most sense.

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