Free Online PDB Converter
Convert PDB files to other ebook and document formats. Free, fast, and secure.
Max file size 10MB. Sign up for more.
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How to Convert PDB Files Online — Free & Instant
Convert legacy Palm Digital Media PDB ebooks to EPUB, PDF, MOBI, and modern formats.
Drag and drop PDB (Palm Digital Media) files. PDB was used on Palm OS devices and early eReaders — convert to read on modern devices.
Choose EPUB for most eReaders, MOBI or AZW3 for Kindle, or PDF for universal reading and printing.
Download your converted ebook and transfer to your modern eReader. Text content and basic structure are preserved.
Why Convert PDB Ebooks?
Convert PDB to EPUB for Kobo, Apple Books, and Nook, or to MOBI/AZW3 for Kindle. Read your ebooks on any device regardless of the original format.
Convert PDB to PDF for universal sharing — PDF works on every device without special ebook software. Perfect for printing or emailing chapters.
Moving from Kindle to Kobo? Apple Books to Nook? Convert your PDB ebooks to your new device's format without losing your library.
Legacy formats may lose support over time. Convert PDB to modern, actively maintained formats like EPUB to ensure long-term access to your ebook collection.
Upload multiple PDB files and convert your entire ebook library at once. No need to process files one by one — save hours of manual conversion work.
Convert PDB ebooks directly in your browser — no desktop apps, no plugins. No watermarks added, formatting preserved, and files are deleted from our servers within 1 hour.
About the PDB Format
PDB (Palm Database) is a legacy ebook format originally developed for Palm OS handheld devices in the late 1990s. Used by Palm Digital Media (formerly Peanut Press) and later eReader, PDB files stored ebooks as compressed text databases optimized for the limited storage and processing power of Palm PDAs. The format supported basic text formatting, chapter navigation, bookmarks, and simple image embedding.
With the discontinuation of Palm OS devices and the rise of modern eReaders and smartphones, PDB has become an obsolete format. Barnes & Noble acquired the eReader platform and migrated its catalog to EPUB for the Nook ecosystem. Ebooks stored in PDB format can no longer be read on current devices without conversion. Converting PDB files to EPUB, PDF, or MOBI rescues these legacy ebooks for use on modern eReaders, tablets, and reading apps, preserving the text content and basic structure of the original files.
PDB Converter FAQ
Quick answers about output formats, compatibility, quality trade-offs, and the best workflows for PDB files.
What formats can I convert PDB files to?
How long does PDB conversion take?
Will converting from PDB reduce quality?
What is the maximum file size for PDB conversion?
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