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ICO is a specialized file format used by Windows to store icons for applications, folders, and websites. An ICO file can contain multiple images of different sizes and color depths, such as 16×16, 32×32, and 48×48, to ensure proper display across different interfaces. It supports transparency and can use lossless or lossy compression for optimization. In addition to Windows, ICO files are commonly used as favicons for websites. Recommended editors include IcoFX and GIMP, while ImageMagick can be used for format conversion.

How to open and edit an ICO file?

ICO files can be opened and edited using various tools on Windows and macOS. Here are some recommended tools: - Viewers and Editors: - IcoFX: A dedicated ICO editor with batch processing and high-quality icon creation features. - GIMP: An open-source image editor that supports ICO files for modification and export. - Adobe Photoshop: Can open and edit ICO files with the appropriate plugin installed. - Windows File Explorer: Double-clicking an ICO file allows previewing it directly in Windows. - Conversion Tools: - ImageMagick: A command-line tool that converts PNG, JPEG, and other formats to ICO or extracts icons from ICO files. - Online conversion tools: Services like CloudConvert and ConvertICO allow converting ICO files to PNG, SVG, and other formats. When creating an ICO file, it's recommended to use a 256×256 PNG image for conversion to ensure high-quality display on modern high-resolution screens.

• 开发团队： Microsoft
• 首发时间： 1985
• 相关链接：
https://en.wikipedia.org/wiki/ICO_(file_format) https://icofx.ro/ https://www.gimp.org/ https://imagemagick.org/script/formats.php

TIFF (Tagged Image File Format) is a high-quality lossless image format widely used in publishing, printing, scanning, and professional graphic design. TIFF supports multiple color depths, layers, and compression methods (such as LZW, ZIP, and JPEG compression), making it ideal for image processing tasks requiring high precision and detail. Due to its lossless nature, TIFF files are typically large but retain image quality. Many professional software programs, such as Adobe Photoshop and GIMP, support TIFF editing, while IrfanView is useful for quick viewing.

How to open and edit a TIFF file?

TIFF files can be viewed, edited, and converted using various tools. Here are the recommended options:

1. Viewing TIFF Files:

   • Image Viewers: IrfanView, Windows Photos Viewer (default support in Windows 10 and later)
   • Browsers (partial support): Google Chrome (drag and drop the file into the browser window)

2. Editing TIFF Files:

   • Professional Image Editing Software: Adobe Photoshop, GIMP, CorelDRAW
   • Online Editors: Photopea (supports online TIFF editing)

3. Converting TIFF Files (to PNG, JPEG, PDF, etc.):

   • ImageMagick
   • XnConvert
   • Online Convert (online conversion tool)

Note: TIFF files may contain multiple pages (similar to PDFs). If you encounter a multi-page TIFF file, use Photoshop or IrfanView to view or split pages individually.

• 开发团队： Adobe
• 首发时间： 1986
• 相关链接：
https://en.wikipedia.org/wiki/Tagged_Image_File_Format https://www.adobe.com/products/photoshop.html https://www.gimp.org/ https://www.irfanview.com/ https://imagemagick.org/script/formats.php