Convert PEF to ICO

Fast, free, and secure PEF to ICO conversion. No registration required.

Fast, free, and secure PEF to ICO conversion. No registration required.

Drag & drop your file here

or click to browse

Loading limits...

High Quality

Maintain maximum quality during conversion

Fast Processing

Convert files in seconds with our optimized engine

Secure & Private

Files automatically deleted after conversion

How to Convert PEF to ICO

1

Upload PEF File

Click the "Select File" button to upload your pef file from your device.

2

Start Conversion

Click the "Convert" button to instantly start converting to ICO.

3

Download ICO

Download your converted ico file immediately after processing.

Why Convert PEF to ICO?

Converting from Pentax RAW (PEF) to ICO Icon is useful when you need multiple sizes in a single file. Pentax RAW (PEF) has limitations: may require specialized software. ICO Icon addresses this by offering multiple sizes in a single file and universal favicon format. ICO is the standard icon file format used by Windows for application icons, shortcut icons, and website favicons.

Xonvert uses professional-grade conversion tools to ensure the highest possible quality when converting Pentax RAW (PEF) to ICO Icon. The output is optimized for the target format's strengths.

PEF vs ICO — Technical Comparison

FeaturePEFICO
FormatPentax RAW (PEF)
CategoryImage
Color DepthUp to 32-bit
CompressionNone or PNG
Max Resolution256 × 256 pixels per frame
TransparencySupported
Multi-sizeYes (16, 32, 48, 64, 128, 256)

About Pentax RAW (PEF)

PEF is Pentaxs proprietary RAW format with 14-bit color depth and lossless compression.

Strengths

  • High quality output
  • Wide compatibility
  • Industry standard format
  • Efficient encoding

Limitations

  • May require specialized software
  • Larger files than compressed alternatives
  • Format-specific limitations

About ICO Icon

ICO is the standard icon file format used by Windows for application icons, shortcut icons, and website favicons. An ICO file can contain multiple images at different sizes and color depths, allowing the operating system to select the most appropriate size for each use.

Strengths

  • Multiple sizes in a single file
  • Universal favicon format
  • Native Windows icon support
  • Supports transparency

Limitations

  • Limited to 256×256 pixels max
  • Windows-centric format
  • Large files when containing many sizes
  • Being replaced by PNG favicons on web

Developed by Microsoft (1985)

PEF to ICO — Frequently Asked Questions

What is the difference between PEF and ICO?

Pentax RAW (PEF) pef is pentaxs proprietary raw format with 14-bit color depth and lossless compression. ICO Icon ico is the standard icon file format used by windows for application icons, shortcut icons, and website favicons. The key differences are: Pentax RAW (PEF) offers high quality output, while ICO Icon provides multiple sizes in a single file.

Will I lose quality converting PEF to ICO?

Xonvert uses professional-grade conversion tools to ensure the highest possible quality when converting Pentax RAW (PEF) to ICO Icon. The output is optimized for the target format's strengths.

When should I use ICO instead of PEF?

Use ICO Icon when you need website favicons or windows application icons. Multiple sizes in a single file. Use Pentax RAW (PEF) when professional workflows.

Can I convert PEF to ICO for free?

Yes. Xonvert lets you convert PEF to ICO completely free with no registration. Free users get a daily conversion limit. Upgrade to Pro ($4.99/mo) for higher limits, larger file sizes, and priority processing.

What are the best use cases for ICO?

ICO Icon is best for: Website favicons; Windows application icons; Desktop shortcuts; Toolbar icons. Multiple sizes in a single file. Universal favicon format.

Related Conversions

© 2026 Xonvert. All rights reserved.