# Convert PDB to EPUB

> Convert PDB to EPUB online for free in seconds. Files are processed in a secure, isolated sandbox and deleted automatically. No sign-up, no watermarks.

URL: https://www.converterrr.com/pdb-to-epub

- Runs in an isolated cloud sandbox with Calibre: files are deleted automatically, and the job uses cloud credits.
- Engines: Calibre (cloud).
- API: available. `POST /api/v1/jobs` with `"output_format": "epub"` (paid plans).
- More: [eBook converter](https://www.converterrr.com/ebook-converter), [PDB converter](https://www.converterrr.com/pdb-converter).

## How to convert PDB to EPUB

1. **Add your PDB files.** Drag and drop PDB files onto the converter, paste them, or click to browse. You can add several at once.
2. **Choose EPUB.** EPUB is already selected. Open Options if you want to change quality, size or metadata.
3. **Convert.** Click Convert. Files are processed in a secure cloud sandbox and are usually ready in seconds.
4. **Download your EPUB.** Download each EPUB file, or everything at once as a ZIP.

## Good to know

- EPUB reflows to any screen size, with chapters and table of contents kept where the source has them.
- PDB files are typically used for archived Palm e-books, while EPUB is best for e-books on almost every reader.
- This conversion runs on Calibre in an isolated cloud sandbox. Files are encrypted in transit and deleted automatically.

## PDB vs EPUB

|  | PDB | EPUB |
| --- | --- | --- |
| Full name | Palm eBook | Electronic Publication |
| Type | eBook | eBook |
| Extensions | .pdb | .epub |
| MIME type | application/vnd.palm | application/epub+zip |
| Best for | archived Palm e-books | e-books on almost every reader |
| Properties | legacy format | open standard |

**PDB:** PDB is an e-book format from Palm devices (eReader and PalmDOC).

**EPUB:** EPUB is the open standard e-book format with reflowable text, supported by Apple Books, Kobo, Google Play Books and Kindle (via Send to Kindle).

The other way around: [convert EPUB to PDB](https://www.converterrr.com/epub-to-pdb).

## Related conversions

- [EPUB to PDB](https://www.converterrr.com/epub-to-pdb) (cloud)
- [PDB to PDF](https://www.converterrr.com/pdb-to-pdf) (cloud)
- [PDF to EPUB](https://www.converterrr.com/pdf-to-epub) (cloud)
- [PDB to DOCX](https://www.converterrr.com/pdb-to-docx) (cloud)
- [DOCX to EPUB](https://www.converterrr.com/docx-to-epub) (in the browser)
- [CSV to EPUB](https://www.converterrr.com/csv-to-epub) (in the browser)
- [PDB to TXT](https://www.converterrr.com/pdb-to-txt) (cloud)
- [TXT to EPUB](https://www.converterrr.com/txt-to-epub) (in the browser)
- [PDB to MOBI](https://www.converterrr.com/pdb-to-mobi) (cloud)
- [DOC to EPUB](https://www.converterrr.com/doc-to-epub) (cloud)
- [PDB to AZW3](https://www.converterrr.com/pdb-to-azw3) (cloud)
- [MOBI to EPUB](https://www.converterrr.com/mobi-to-epub) (cloud)

## Convert PDB to other formats

[PDB to PDF](https://www.converterrr.com/pdb-to-pdf), [PDB to DOCX](https://www.converterrr.com/pdb-to-docx), [PDB to TXT](https://www.converterrr.com/pdb-to-txt), [PDB to MOBI](https://www.converterrr.com/pdb-to-mobi), [PDB to AZW3](https://www.converterrr.com/pdb-to-azw3), [PDB to RTF](https://www.converterrr.com/pdb-to-rtf), [PDB to FB2](https://www.converterrr.com/pdb-to-fb2), [PDB to LIT](https://www.converterrr.com/pdb-to-lit)

## Convert other formats to EPUB

[PDF to EPUB](https://www.converterrr.com/pdf-to-epub), [DOCX to EPUB](https://www.converterrr.com/docx-to-epub), [CSV to EPUB](https://www.converterrr.com/csv-to-epub), [TXT to EPUB](https://www.converterrr.com/txt-to-epub), [DOC to EPUB](https://www.converterrr.com/doc-to-epub), [MOBI to EPUB](https://www.converterrr.com/mobi-to-epub), [HTML to EPUB](https://www.converterrr.com/html-to-epub), [Markdown to EPUB](https://www.converterrr.com/md-to-epub), [AZW3 to EPUB](https://www.converterrr.com/azw3-to-epub), [ODT to EPUB](https://www.converterrr.com/odt-to-epub), [RTF to EPUB](https://www.converterrr.com/rtf-to-epub), [LaTeX to EPUB](https://www.converterrr.com/tex-to-epub), [IPYNB to EPUB](https://www.converterrr.com/ipynb-to-epub), [Pages to EPUB](https://www.converterrr.com/pages-to-epub), [FB2 to EPUB](https://www.converterrr.com/fb2-to-epub), [CBZ to EPUB](https://www.converterrr.com/cbz-to-epub), [CBR to EPUB](https://www.converterrr.com/cbr-to-epub), [AZW to EPUB](https://www.converterrr.com/azw-to-epub), [TSV to EPUB](https://www.converterrr.com/tsv-to-epub), [reST to EPUB](https://www.converterrr.com/rst-to-epub), [Typst to EPUB](https://www.converterrr.com/typ-to-epub), [Org to EPUB](https://www.converterrr.com/org-to-epub), [WPD to EPUB](https://www.converterrr.com/wpd-to-epub), [MediaWiki to EPUB](https://www.converterrr.com/wiki-to-epub)

## PDB to EPUB: frequently asked questions

### How do I convert PDB to EPUB?

Drop your PDB file onto the converter above, make sure EPUB is selected, and click Convert. When it's done, download the EPUB file — it usually takes a few seconds.

### Is it safe to convert PDB to EPUB here?

Yes. Your file is sent over an encrypted connection to an isolated sandbox that's created for your job only, then both the original and the result are deleted automatically.

### Is the PDB to EPUB converter free?

Yes. Cloud conversions like this one use credits, and you get free credits every day (3 without an account, 10 with a free account).

### Will converting PDB to EPUB reduce quality?

No — EPUB preserves the content of your PDB file as faithfully as the format allows.

### Can I convert multiple PDB files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.

### Can I convert EPUB back to PDB?

Yes — use our EPUB to PDB converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.