What is .pdb file?

Palm Pilot Image is a raster image. Images are uncompressed.
File extension is .pdb.

Software handling .pdb files

Rest7 Free Online Converter

Structure of .pdb images

The header of Palm OS .PDB image is 78 bytes long.

Name	Type	Description
Filename	Char8[32]	Modified ISO-8859-1
FileAttributes	UInt16
Version	UInt16
CreationDate	UInt32	PDB Datetime
BackupDate	UInt32	PDB Datetime
ModificationDate	UInt32	PDB Datetime
AppInfo	UInt32
SortInfo	UInt32
Type	UInt32
Creator	UInt32
UniqueIDSeed	UInt32
NextRecordList	UInt32
NumRecords	UInt16

PDB Record Header

For every record there is an 8 byte record header

Name	Type	Description
Offset	UInt32	Offset since the beginning of the file
Attributes	UInt8
UniqueID	UInt24	= 0

PDB Datetime

If top bit is set, it's an unsigned 32-bit number counting from 1st Jan 1904
If top bit is clear, it's a signed 32-bit number counting from 1st Jan 1970.




Data types:
UInt8, UInt16, UInt32, UInt64 - Unsigned Integer 8 bit, 16 bit, 32 bit, 64 bit
Int8, Int16, Int32, Int64 - Signed Integer 8 bit, 16 bit, 32 bit, 64 bit
UMint16, UMint32 - Unsigned Motorola Integer 16 bit, 32 bit (Big Endian)
Char8, Char16 - Char 8 bit, 16 bit

Real world .pdb samples

If you have graphics of this type, please upload them below: