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ICO vsPSD: Key Differences & Best Format for You

Compare the features of ICO and PSD file formats to choose the best option for your needs.

Basic Information

ICOPSD
CategoryThe general type of file (audio, image, etc.).
imagesimages
CompressionMethod used to reduce file size (Lossy, Lossless, Uncompressed).
LosslessLossless
Relative SizeTypical file size compared to other formats.
SmallLarge
MIME TypesCommon MIME types associated with the format.
  • image/x-icon
  • image/vnd.microsoft.icon
  • image/vnd.adobe.photoshop
Open FormatIs the format specification publicly available and free to use?
NoNo

Technical Details

ICOPSD
Bit DepthNumber of bits used to represent color or audio sample amplitude (higher means more detail).
3216
ResolutionImage dimensions (pixels) or audio sample rate/video dimensions.
Multiple sizes (e.g., 16x16, 32x32, 256x256)Pixel dimensions
Max QualityHighest achievable quality level or characteristic.
Depends on internal format (PNG best)Lossless (preserves all editing data)
Encoding MethodSpecific algorithm or standard used for encoding the data.
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Max File Size LimitAny known maximum file size limitations.
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Features & Usage

ICOPSD
CompatibilitySoftware, devices, or platforms that support the format.
  • Windows
  • Web Browsers (for favicons)
  • Adobe Photoshop
  • Affinity Photo
  • GIMP
  • Some image viewers (limited)
Use CasesCommon applications and scenarios where the format is used.
  • Application icons
  • Website favicons
  • Professional image editing
  • Graphic design source files
  • Storing complex compositions
Metadata SupportCan the format store additional information (tags, descriptions, etc.)?
NoYes
Transparency SupportDoes the format support transparent backgrounds (for images)?
YesYes
Editing FriendlyIs the format suitable for easy editing without significant quality loss?
NoYes
Encryption SupportDoes the format support password protection or encryption?
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Pros & Cons

ICOPSD
ProsAdvantages and strengths of the format.
  • Stores multiple sizes/resolutions in one file
  • Standard for Windows icons
  • Used for favicons
  • Preserves layers, masks, effects, and editability
  • Industry standard for raster image editing
ConsDisadvantages and weaknesses of the format.
  • Limited use case (icons)
  • Can be complex to create properly
  • Proprietary Adobe format
  • Very large file sizes
  • Requires specific software to fully utilize