Convert Tagged Image File Format (.tiff) to Bitmap Image (.bmp) online for free. Fast, secure image conversion with no watermarks or registration.
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TIFF (Tagged Image File Format) is the professional standard for raster images in publishing, photography, and archival storage, supporting multiple compression modes, 16/32-bit depth, ICC profiles, and multi-page documents. BMP (Bitmap) is Microsoft's uncompressed raster format with a simple header-plus-rows structure. Converting TIFF to BMP strips all professional metadata, compression, and multi-page capability, producing a raw 24-bit pixel dump that every Windows application reads natively.
This conversion targets legacy Windows environments — industrial control systems, embedded displays, medical viewer software, and older game engines — that require raw bitmap input. TIFF's sophisticated tag-based structure and compression are beyond what these simple systems can parse. BMP provides the zero-dependency, zero-decompression access they need.
Certain legacy Windows applications and embedded systems lack TIFF decoding libraries entirely. Industrial PLC visualization panels, kiosk software, and older Windows CE devices often only accept BMP. When professional TIFF images from photography studios, print workflows, or medical imaging need to reach these systems, BMP conversion is required.
Custom software that parses pixel data directly — scientific imaging scripts, computer vision prototypes, and hardware testing tools — sometimes expects BMP's predictable header-then-rows structure. TIFF's complex tag system with variable compression, byte order, and strip/tile organization makes it harder to parse without a proper TIFF library, while BMP's simple format can be read with a few lines of code.
Sharp decodes the TIFF's compressed data (LZW, ZIP, JPEG, or uncompressed — all handled transparently), flattens any alpha transparency against a white background, and writes the result as a 24-bit BMP with the standard BITMAPINFOHEADER. For 16-bit or 32-bit TIFF sources, the color depth is quantized to 8-bit-per-channel. Multi-page TIFFs yield only the first page by default. Each pixel row is padded to a 4-byte boundary per BMP specification.
For 8-bit-per-channel TIFF sources (the most common), the conversion is lossless for all RGB data. For 16-bit or 32-bit TIFFs, quantization to 8-bit may lose subtle tonal gradations in deep shadows and highlights. TIFF's alpha transparency is flattened against a solid background. ICC color profiles are stripped. The resulting BMP contains the raw pixel values from the decoded TIFF without any additional compression artifacts.
| Device | TIFF | BMP |
|---|---|---|
| Windows PC | Native | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
TIFF to BMP conversion serves legacy Windows systems that require raw bitmap input. Professional metadata, compression, and multi-page capability are stripped in exchange for universal Windows compatibility and zero-overhead pixel access.
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| Egenskap | TIFF | BMP |
|---|---|---|
| Fullt navn | Tagged Image File Format | Bitmap Image |
| Filendelse | .tiff | .bmp |
| Best egnet for | Professional quality | Uncompressed |