Convert High Efficiency Image Container (.heic) to Bitmap Image (.bmp) online for free. Fast, secure image conversion with no watermarks or registration.
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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.
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.
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.
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 | HEIC | BMP |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Native | Partial |
| iPhone/iPad | Native | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
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.
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| No |
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| Caracteristică | HEIC | BMP |
|---|---|---|
| Nume complet | High Efficiency Image Container | Bitmap Image |
| Extensie | .heic | .bmp |
| Cel mai potrivit pentru | Apple native | Uncompressed |