Convert ICO to BMP Online

Convert ICO to BMP instantly — free, private, no upload to servers.

FreeNo Signup100% PrivateBatch ConvertLast updated: March 2026
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Drop your ICO files here, or click to browse
Select multiple files for batch conversion · 100% processed in your browser

What Is a ICO to BMP Converter?

An ICO to BMP converter extracts Windows icon images into uncompressed Bitmap format. ICO and BMP are both native Windows formats, making this conversion natural for legacy Windows workflows. TweakFiles extracts the highest resolution from the ICO file and saves it as a standard 24-bit BMP.

Why Convert ICO to BMP?

Some older Windows development tools and icon editors work better with BMP than ICO. BMP is also required for certain hardware displays and industrial applications that need raw pixel data at specific resolutions.

Best For:

  • Legacy Windows icon editing workflows
  • Hardware displays requiring BMP format
  • Extracting icon data for processing

Technical Details

The highest resolution stored in the ICO is rendered and saved as 24-bit BMP. ICO transparency becomes white background. Icon dimensions (16–16 to 256–256) are preserved.

How to Convert ICO to BMP in 3 Steps

1

Upload Your ICO File

Drag and drop your ICO image into the converter above, or click to browse. You can select multiple files for batch conversion.

2

Convert Instantly

Click the convert button and TweakFiles will instantly transform your ICO file to BMP format — right in your browser, with no upload to any server.

3

Download Your BMP File

Click download to save the converted file. For multiple files, use the "Download All" button to get everything at once.

TweakFiles vs Other ICO to BMP Converters

FeatureTweakFilesConvertioCloudConvert
PriceFree foreverFreemium ($10/mo)Freemium ($8/mo)
File Privacy100% client-sideUploaded to serversUploaded to servers
Signup RequiredNoAfter 10 filesAfter 25 files
Batch ConversionUnlimited2 files (free)5 files (free)
SpeedInstant (no upload)Depends on internetDepends on internet

Frequently Asked Questions

The highest resolution stored in the ICO file — typically 32×32, 48×48, or 256×256 pixels.
No. BMP does not support transparency. Transparent areas become white.
Yes, 100% free, processed in your browser.