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BMP to ICO Converter

Convert BMP to ICO with our free online tool. It’s fast, secure, and simple to use – ideal for converting BMP files to ICO format with no software needed.

Drop BMP files here

Support for multiple file formats

Multiple files supported
No file size limit
100% secure

How to convert BMP to ICO Online

Transform your BMP files to ICO format in three simple steps with professional-grade quality

1

Upload BMP Files

Select your BMP files using our secure upload interface. Support for batch processing means you can convert multiple files simultaneously.

2

Convert to ICO

Our advanced conversion engine processes your BMP files with enterprise-grade algorithms to produce high-quality ICO output.

3

Download ICO Files

Download your converted ICO files individually or as a convenient ZIP archive. Files are ready for immediate use.

Why Convert BMP to ICO?

Convert your BMP images to ICO format for better compatibility, smaller file sizes, and universal support across all devices and platforms

Universal Device Support

ICO format works on all devices, browsers, and applications. Perfect for sharing images without compatibility issues.

Works everywhere

Optimized File Size

Convert BMP to ICO for better compression and smaller file sizes, perfect for web use and faster uploads.

Up to 80% smaller

Easy Photo Editing

ICO format is supported by all photo editing software, making it easier to edit, enhance, and modify your images.

All editors support it

Web & Social Media Ready

ICO images load faster on websites and are accepted by all social media platforms for instant sharing.

Convert Multiple Images

Upload and convert hundreds of BMP images to ICO format simultaneously. Save time with bulk conversion.

Convert Your BMP Images Now

Transform your BMP images to ICO format instantly. Support for batch conversion - upload multiple files at once.

Start Converting BMP to ICO
Learn about BMP format

What is a BMP file?

A BMP file (Bitmap Image File) represents one of the foundational raster graphics formats, originally developed by Microsoft in the mid-1980s as part of the Windows operating system. Built on the Device Independent Bitmap (DIB) specification, BMP was designed to provide a simple, straightforward method for storing digital images without the complexity of compression algorithms, ensuring perfect pixel-accurate reproduction of image data.

As an uncompressed raster format, BMP stores each pixel's color information directly, creating a complete digital representation of the original image without any quality loss. This approach results in larger file sizes compared to compressed formats, but guarantees that every detail, color, and pixel remains exactly as intended, making BMP the preferred choice for applications where image fidelity takes precedence over storage efficiency.

Technical Foundation

  • Device Independent Bitmap (DIB)
  • Little-endian byte ordering
  • Uncompressed pixel storage
  • RGB color space support

Format Specifications

  • .bmp, .dib (extensions)
  • MIME type: image/bmp
  • 1, 4, 8, 16, 24, 32-bit color depths
  • Optional RLE compression

Why Choose BMP Files?

BMP represents the foundation of digital image storage, offering unparalleled simplicity, universal compatibility, and pixel-perfect quality preservation. While modern compressed formats have advantages for web and mobile use, BMP remains the gold standard for applications requiring absolute image fidelity, direct pixel access, and maximum compatibility across all systems and software.

0%
Quality Loss
Perfect pixel reproduction
100%
Software Support
Universal compatibility
32-bit
Max Color Depth
With alpha channel
39+
Years Proven
Industry standard since 1985

The BMP Advantage

Technical Excellence

  • Uncompressed pixel-perfect storage
  • Simple, well-documented structure
  • Multiple color depth options
  • Direct memory mapping capability

Practical Benefits

  • Guaranteed universal compatibility
  • No compression artifacts ever
  • Fast loading and processing
  • Ideal for development and testing

Converting BMP Files

While BMP provides excellent quality and compatibility, the large file sizes often necessitate conversion to compressed formats for web use, email sharing, or storage optimization. Understanding when and how to convert BMP files ensures you maintain appropriate quality while meeting size constraints and platform requirements for different use cases and applications.

Popular BMP Conversion Options

BMP to JPEG
For web use and significant file size reduction
BMP to PNG
For lossless compression with transparency support
BMP to WEBP
For modern web optimization and better compression
BMP to TIFF
For professional workflows with lossless quality

When to Convert BMP

Web publishing: Converting to JPEG or PNG for online use
Email attachments: Size limits require compression
Storage optimization: Reducing disk space usage
Mobile applications: Bandwidth and storage constraints
Social media uploads: Platform file size limits
Archive storage: Long-term space efficiency
Frequently Asked Questions

What is BMP to ICO converter?

The BMP to ICO converter is a tool that transforms BMP (Bitmap) images into ICO (Icon) format files, which are used for Windows icons, favicons, and desktop shortcuts. ICO files can contain multiple icon sizes (16x16, 32x32, and 48x48 pixels) in a single file, allowing for optimal display across different devices.

Why should I convert BMP to ICO?

Converting BMP to ICO creates professional Windows icons, website favicons, and application shortcuts in multiple sizes, all in one file. ICO format is essential for software developers and web designers, as it ensures icons display optimally across browsers, taskbars, and desktop environments.

Can I batch convert multiple BMP files to ICO format?

Yes, our converter supports batch conversion, allowing you to upload and convert multiple BMP images to ICO format simultaneously. This bulk processing feature saves time for developers and designers creating icon sets or favicon collections.

How do I convert BMP to ICO for free online?

Upload your BMP files to our free online converter, select ICO as output format, and click convert to download your ICO files instantly. No software installation required - the conversion happens directly in your browser with professional-grade quality.

What ICO sizes can I create from BMP files?

Our converter creates ICO files with standard icon sizes, including 16x16 (favicon), 32x32 (desktop icons), 48x48 (large icons), and up to 256x256 pixels. The ICO format stores multiple sizes in one file for perfect display across different screen resolutions and applications.

Can I use converted ICO files as website favicons?

Absolutely! ICO files converted from BMP work perfectly as website favicons and are supported by all browsers, including Internet Explorer. For optimal compatibility, we recommend using ICO files that contain both 16x16 and 32x32 sizes for seamless display in browser tabs and bookmarks.

Is BMP to ICO conversion safe and secure?

Yes, our converter is entirely safe, utilizing browser-based processing and automatically deleting files upon completion. Your BMP files are processed directly in your browser, eliminating server uploads and ensuring 100% privacy and data security with industry-standard encryption.

Does BMP to ICO conversion maintain image quality?

Yes, our converter preserves image quality during conversion using advanced algorithms. ICO format supports up to 32-bit color depth with transparency, ensuring your converted icons maintain sharpness, colors, and visual details for professional results.