PDB is a ebook format from the Palm device. also some ebook reader supported this format. In this page, you can convert other ebook to pdb format.
Input Formats: AZW4, CHM, Comic, DJVU, DOCX, EPUB, FB2, HTLZ, HTML, LIT, LRF, MOBI, ODT, PDF, PML, RB, RTF, SNB, TCR, TXT
Output Formats: PDB