The format supports reflowable content however, the format lacks some of the features found in more modern eBook formats, for example, only providing an entire contents table. Comic book archive files are not a distinct file format only the file name extension differs from a standard file of the given archive type. In addition, folders may be used to group images. Occasionally GIF, BMP, and TIFF files are seen. Unfortunately, the proliferation of eBooks has left this format behind due to the lack of support for DRM protection, meaning only royalty-free text is typically available.Ĭomic book archive files mainly consist of image files, typically PNG (lossless compression) or JPEG (lossy compression) files, stored as a single archive file. The PalmDOC eBook file type is a version of the PDB format. pdb file extension is a database format used for the Palm OS platform. The idea was made popular by the CDisplay sequential image viewer since then, many viewers for different platforms have been created.
A comic book archive or comic book reader file (also called sequential image file) is a type of archive file for sequential viewing of images, commonly for comic books.
