What icon sizes are supported?

The viewer supports all standard Windows icon sizes including 16x16, 24x24, 32x32, 48x48, 64x64, 128x128, 256x256, and 512x512 pixels.

Can I extract icons from DLL files?

Yes, ICO File Viewer can extract all icons embedded in DLL files. Simply open the DLL file and the viewer will display all available icons with their different sizes.

Can I save icons from EXE files?

Yes, you can extract and save icons from EXE files. The viewer allows you to export icons in PNG or ICO format at any available resolution.

Is ICO File Viewer free?

Yes, ICO File Viewer is completely free to download and use with no hidden costs, watermarks, or limitations.

Univik ICO File Viewer

Excellent TrustScore 4.8 | 856 reviews

View Icons from ICO, DLL & EXE files

Univik ICO File Viewer is a free Windows application to open, view and extract all icon sizes from .ico files, and preview all embedded icons from .dll and .exe files. Perfect for developers, designers and system administrators.

View all icon sizes from ICO files (16x16 to 512x512)
Extract all icons from DLL files with multiple resolutions
Extract all icons from EXE files instantly
Export icons as PNG or ICO format

Free Download
100% Free & Safe

View Features

*Completely free for personal and commercial use. No registration required.

Univik ICO File Viewer Box

100% Free Software

No trial, no limitations, no registration. Free for personal and commercial use.

ICO Files

DLL Files

EXE Files

All Sizes

Export Icons

Viewable Icon Properties

Icon Image

Visual Preview

Dimensions

Width × Height

Color Depth

Bits Per Pixel

Transparency

Alpha Channel

File Size

Bytes / KB

Icon Index

Resource Position

Format Type

BMP / PNG

Resource ID

DLL/EXE ID

Supported File Types

View Icons from Multiple Sources

Extract and preview icons from various Windows file formats. Our viewer supports all standard icon containers.

ICO

ICO Files

View all icon sizes embedded in .ico files. Windows icon files can contain multiple resolutions from 16x16 to 512x512 pixels, and our viewer displays them all.

16x16 32x32 48x48 256x256

DLL

DLL Files

Extract all icons from Dynamic Link Library files. DLL files often contain icon resources for applications, and our viewer extracts every embedded icon.

Shell32.dll ImageRes.dll Custom DLLs

EXE

EXE Files

Extract application icons from executable files. View the main application icon and any additional icon resources embedded in .exe files.

App Icons Toolbar Icons Resource Icons

All Resolutions Supported

View Every Icon Size

Our viewer displays all standard Windows icon sizes. From tiny 16x16 toolbar icons to large 512x512 high-resolution icons.

16×16

24×24

32×32

48×48

64×64

128

128×128

256

256×256

512

512×512

Key Features

Powerful Icon Viewing Features

Everything you need to view, extract, and export icons from various file formats.

Multi-Size Preview

View all available icon sizes side by side. Instantly see how your icons look at every resolution from 16x16 to 512x512 pixels.

Icon Extraction

Extract icons from DLL and EXE files with a single click. All embedded icon resources are detected and displayed automatically.

Export to PNG/ICO

Save individual icons in PNG or ICO format. Export any size or all sizes at once for use in your projects.

Batch Processing

Process multiple files at once. Load entire folders of ICO, DLL, or EXE files and extract all icons in a single operation.

Icon Search

Search through extracted icons by index number or filter by size. Quickly find the exact icon you need from large resource files.

Transparency Support

Full support for alpha channel transparency. View icons with transparent backgrounds exactly as they appear in Windows.

Use Cases

Who Uses ICO File Viewer?

Our icon viewer is designed for professionals who work with Windows icons and application resources.

Software Developers

Extract icons from existing applications for reference or create icon sets for new software projects.

UI/UX Designers

Preview icon designs at all sizes to ensure consistency across different Windows display contexts.

System Administrators

Extract icons from system DLLs for documentation, training materials, or custom tooling.

Content Creators

Extract high-quality icons for tutorials, blog posts, or educational content about Windows.

Simple Process

View Icons in 3 Easy Steps

Open File

Launch ICO File Viewer and open your .ico, .dll, or .exe file using File → Open or drag and drop.

Browse Icons

View all icons and sizes extracted from the file. Browse through icons using the thumbnail view or list view.

Export Icons

Select the icons you need and export them as PNG or ICO files. Save individual sizes or all sizes at once.

Video Tutorial

Watch ICO Viewer in Action

See how easy it is to view and extract icons from ICO, DLL and EXE files with our step-by-step video demonstration.

Opening ICO Files

Learn how to open and preview all icon sizes from any ICO file instantly.

Extracting from DLL/EXE

See how to extract all embedded icons from DLL and EXE files easily.

Exporting Icons

Watch how to export icons in PNG or ICO format with just a few clicks.

Frequently Asked Questions

Common Questions

ICO File Viewer can open .ico icon files, .dll dynamic link library files, and .exe executable files to extract and display all embedded icons.

The viewer supports all standard Windows icon sizes including 16×16, 24×24, 32×32, 48×48, 64×64, 128×128, 256×256, and 512×512 pixels.

Yes! You can open system DLLs like Shell32.dll, ImageRes.dll, or any other DLL file containing icon resources. The viewer will extract and display all embedded icons.

You can export icons in PNG format (with transparency) or ICO format. Export individual sizes or save all available sizes at once.

Yes, ICO File Viewer is 100% free to download and use with no hidden costs, watermarks, or limitations. No registration required.

Technical Data Sheet

Technical Specifications

Complete product specifications, system requirements and compatibility information.

100%

VirusTotal Score: Clean

Verified by 70+ antivirus engines. 100% safe to download and use.

✓ Virus free
✓ Spyware free
✓ Adware free

Supported Input Files

ICO (Windows Icon) - All versions

DLL (Dynamic Link Library)

EXE (Executable Files)

Single files and batch processing supported.

Product Name:	Univik ICO File Viewer
File Size:	8.5 MB
License:	100% Free
Download:	Free Download

Version 25.1

What's New

Improved DLL icon extraction
Better PNG export quality
Enhanced thumbnail view
Faster file loading
Multi-language support

Requirements

Hard Disk:	20 MB free
RAM:	512 MB minimum
Processor:	Any modern CPU

Platforms

Windows: 11, 10, 8.1, 8, 7 (32 & 64-bit)

Server: 2022, 2019, 2016, 2012

Export Formats

PNG - With transparency

ICO - Windows icon format

BMP - Bitmap format

User Reviews

What Users Are Saying

Real feedback from users who use ICO File Viewer for their icon extraction needs.

David K.

Software Developer, California, USA

"Perfect tool for extracting icons from system DLLs! I needed icons from Shell32.dll for documentation and this tool made it incredibly easy. The batch export feature saved me hours of work. Highly recommended for developers!"

Sarah M.

UI Designer, London, UK

"As a UI designer, I often need to check icon sizes across different resolutions. This viewer shows all sizes side by side which is exactly what I needed. The PNG export with transparency is perfect for my design workflow."

Michael T.

IT Administrator, Sydney, Australia

"Simple, fast and does exactly what it promises. I use it to extract icons from our custom applications for training materials. The fact that it's completely free with no limitations is amazing. Great job Univik!"

Need to Create Icons?

Need to create ICO files from PNG images or convert between icon formats? Check out our ICO Converter tool with full creation capabilities.

Learn More

Multi-Language Support

Available in 10+ Languages

Use ICO File Viewer in your preferred language. Interface fully translated for global accessibility.

🇺🇸 English 🇪🇸 Español 🇫🇷 Français 🇩🇪 Deutsch 🇮🇹 Italiano 🇵🇹 Português 🇷🇺 Русский 🇨🇳 中文 🇯🇵 日本語 🇰🇷 한국어

Select your language from the dropdown menu in the application toolbar. Changes apply instantly without restart.

About ICO File Format

About ICO (Windows Icon) File Format

An ICO file is the standard file format for storing icons in Microsoft Windows. ICO files can contain multiple icon images at different sizes and color depths, allowing Windows to select the most appropriate icon for display in various contexts.

Common sources of ICO files and icon resources include:

Windows application icons
System DLL files (Shell32.dll, ImageRes.dll)
Executable files (.exe)
Icon libraries and packs
Web favicons

Desktop shortcuts
Toolbar and menu icons
Control panel items
File type associations
Custom application resources

Univik ICO File Viewer lets you open and view icons from any of these sources without specialized development tools. Simply open the file and browse all available icon sizes.