Convert Windows Icon (.ico) to Tagged Image File Format (.tiff) online for free. Fast, secure image conversion with no watermarks or registration.
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Upload your .ico 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 .tiff file when it's ready.
ICO (Windows Icon) stores multi-resolution icon images for operating system and web use, while TIFF (Tagged Image File Format) is the professional standard for high-quality raster image storage. Converting ICO to TIFF extracts the icon image from the multi-resolution container and saves it in TIFF's flexible, professional-grade format with support for lossless compression, various color depths, and metadata.
This conversion is appropriate when icon images need to be included in professional publishing workflows, archived in high-quality formats, or processed by systems that work with TIFF but not ICO.
TIFF is the standard format in publishing, photography, and professional image processing. When icon images need to be included in these workflows -- for example, embedding application icons in printed user manuals, packaging designs, or brand documentation -- TIFF provides the professional-grade format these workflows expect.
TIFF's lossless compression ensures the icon image is stored with zero quality degradation, making it suitable for archival purposes. Unlike JPEG, TIFF does not introduce compression artifacts around the sharp edges typical of icon designs. TIFF also supports alpha channels for preserving icon transparency.
The largest resolution image from the ICO container is extracted and decoded to an RGBA pixel buffer. The pixel data is written to a TIFF file using configurable compression: no compression (maximum compatibility), LZW (standard lossless), or ZIP/Deflate (best compression ratio). The alpha channel from the ICO is preserved as an associated alpha channel in the TIFF. The output maintains the original pixel dimensions and color depth. Sharp handles both the ICO decoding and TIFF encoding.
The conversion is completely lossless. Every pixel of the ICO image, including alpha transparency, is preserved exactly in the TIFF output. TIFF's lossless compression options ensure no data is discarded. The output quality is identical to the source ICO image at the extracted resolution.
| Device | ICO | TIFF |
|---|---|---|
| Windows PC | Native | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
ICO to TIFF serves professional imaging workflows that require TIFF format. The conversion is lossless, preserving full quality and transparency from the original icon image.
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| No |
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| Funktion | ICO | TIFF |
|---|---|---|
| Fulde navn | Windows Icon | Tagged Image File Format |
| Filendelse | .ico | .tiff |
| Bedst til | Windows icons | Professional quality |