Convert HEIC to BMP — Free Online Converter
Convert High Efficiency Image Container (.heic) to Bitmap Image (.bmp) online for free. Fast, secure image conversion with no watermarks or registrati...
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Upload your .heic file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .bmp file when it's ready.
About HEIC to BMP Conversion
HEIC is Apple's default photo format since iOS 11, using HEVC (H.265) compression to store iPhone and iPad photos at roughly half the file size of JPEG while maintaining equivalent visual quality. BMP is an uncompressed raster format that stores raw pixel data with no compression whatsoever, producing large files that are readable by virtually every Windows application and many industrial systems.
Converting HEIC to BMP decodes the HEVC-compressed image data, applies Apple's color profile and any embedded edits, and writes the result as uncompressed 24-bit or 32-bit bitmap data. This conversion is primarily used when downstream systems require raw, uncompressed pixel input and cannot decode HEVC-based image formats.
Why Convert HEIC to BMP?
HEIC files from iPhones and iPads are notoriously incompatible with Windows systems, Android devices, and many third-party applications. While Apple has released a HEIC codec for Windows 10/11, many enterprise and industrial Windows installations do not have it, and BMP remains the lowest-common-denominator format that every Windows application can open without any additional codecs or plugins.
Industrial inspection systems, medical imaging viewers, legacy photo kiosks, and embedded display hardware often require uncompressed BMP input. If you receive HEIC photos from an iPhone user and need to feed them into one of these systems, BMP conversion ensures the image data arrives in a universally readable, uncompressed format.
Common Use Cases
- Convert iPhone photos to BMP for Windows industrial inspection or machine vision systems
- Prepare HEIC images from iPad for legacy photo printing kiosks that only accept BMP
- Create uncompressed copies of Apple photos for forensic or medical documentation workflows
- Feed iPhone/iPad photos into embedded display hardware with limited codec support
- Export Apple device photos for scientific analysis software requiring uncompressed pixel data
How It Works
Sharp decodes the HEIC file by invoking its libheif/libde265 decoder, which reconstructs the full-resolution pixel grid from the HEVC bitstream. Apple's Display P3 color profile is converted to sRGB for maximum compatibility. The decoded pixel buffer is written as a Windows BMP at 24 bits per pixel (RGB) or 32 bits per pixel when depth map or alpha data is present. Live Photo motion data is discarded — only the primary still image is converted.
Quality & Performance
The BMP output faithfully reproduces every pixel from the decoded HEIC image without introducing additional artifacts. Since HEIC uses lossy HEVC compression, the decoded pixels already contain compression artifacts from the iPhone's camera processing pipeline. These artifacts are preserved but not amplified in the BMP output. For standard iPhone photos (12 MP), the uncompressed BMP is approximately 34 MB.
Device Compatibility
| Device | HEIC | BMP |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Native | Partial |
| iPhone/iPad | Native | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No | No |
Tips for Best Results
- 1Only use BMP when your target system explicitly requires uncompressed input — PNG is better for most needs
- 2iPhone 48 MP photos produce extremely large BMP files — ensure adequate storage before batch converting
- 3Apple's Display P3 colors are converted to sRGB — some wide-gamut colors may shift slightly
- 4Live Photo motion data is not included in BMP — only the still image is converted
- 5For batch conversion of a large iPhone photo library, consider PNG instead to save significant disk space
Related Conversions
HEIC to BMP conversion is a specialized workflow for feeding Apple device photos into legacy or industrial systems requiring uncompressed bitmap input. For general use, PNG or JPEG are more practical alternatives.