Default Compressions

On the Default Compressions Tab users can set up the default compression methods for TIFF and PDF file formats.

Tiff file format default compression modes

(Available in the IceViewer TIFF and the IceViewer Pro)

Use the image original compression if available – If this option is enabled, it detects the original compression of the document, and automatically selects the detected compression upon saving if it’s possible, otherwise it uses the defined default compression. (For example, if a color (24bit) image with JPEG compression is converted into monochrome (1bit) image, the IceViewer cannot save the image into JPEG compression.)

Default compression mode for Monochrome (1bit) images - defines the default compression method for Monochrome (1bit) documents:

No compression

Pack Bits

LZW compression

CCIT G3 1D no EOL

CCIT G3 1D EOL

CCIT G3 2D

CCIT G4 (default)

Default compression mode for Grayscale (8bit) images - defines the default compression method for grayscale (8bit) documents:

No compression

Pack Bits

LZW compression (default)

LZW Differential compression

Default compression mode for Color (24bit) images - defines the default compression method for color (24bit) documents:

No compression

Pack Bits

LZW compression (default)

LZW Differential compression

JPEG compression

PDF file format default compression modes

(Available in the IceViewer PDF and the IceViewer Pro)

Use the image original compression if available – If this option is enabled, it detects the original compression of the document, and automatically select the detected compression upon saving if it’s possible, otherwise uses the defined default compression. (for example, if a color (24bit) image with JPEG compression is converted into monochrome (1bit) image, the IceViewer cannot save the image into JPEG compression. In this case, IceViewer will use the defined default compression method.)

Default compression mode for Monochrome (1bit) images - defines the default compression method for Monochrome (1bit) documents:

No compression

CCIT FAX compression

FLAT compression (default)

Default compression mode for Grayscale (8bit) images - defines the default compression method for grayscale (8bit) documents:

No compression

Run-Length

FLAT compression (default)

Default compression mode for Color (24bit) images - defines the default compression method for color (24bit) documents:

No compression

JPEG compression

FLAT compression (default)

JPEG Quality - defines the quality of the JPEG compression. [0-100]