# Convert FB2 to PDB

> Convert FB2 to PDB 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/fb2-to-pdb

- 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": "pdb"` (paid plans).
- More: [eBook converter](https://www.converterrr.com/ebook-converter), [FB2 converter](https://www.converterrr.com/fb2-converter).

## How to convert FB2 to PDB

1. **Add your FB2 files.** Drag and drop FB2 files onto the converter, paste them, or click to browse. You can add several at once.
2. **Choose PDB.** PDB 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 PDB.** Download each PDB file, or everything at once as a ZIP.

## Good to know

- PDB reflows to any screen size, with chapters and table of contents kept where the source has them.
- FB2 files are typically used for e-book libraries and readers like FBReader, while PDB is best for archived Palm e-books.
- This conversion runs on Calibre in an isolated cloud sandbox. Files are encrypted in transit and deleted automatically.

## FB2 vs PDB

|  | FB2 | PDB |
| --- | --- | --- |
| Full name | FictionBook | Palm eBook |
| Type | eBook | eBook |
| Extensions | .fb2 | .pdb |
| MIME type | application/x-fictionbook+xml | application/vnd.palm |
| Best for | e-book libraries and readers like FBReader | archived Palm e-books |
| Properties | open standard | legacy format |

**FB2:** FB2 (FictionBook) is an XML-based e-book format popular in Russia and Eastern Europe.

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

The other way around: [convert PDB to FB2](https://www.converterrr.com/pdb-to-fb2).

## Related conversions

- [PDB to FB2](https://www.converterrr.com/pdb-to-fb2) (cloud)
- [FB2 to PDF](https://www.converterrr.com/fb2-to-pdf) (cloud)
- [PDF to PDB](https://www.converterrr.com/pdf-to-pdb) (cloud)
- [FB2 to DOCX](https://www.converterrr.com/fb2-to-docx) (in the browser)
- [DOCX to PDB](https://www.converterrr.com/docx-to-pdb) (cloud)
- [FB2 to EPUB](https://www.converterrr.com/fb2-to-epub) (in the browser)
- [EPUB to PDB](https://www.converterrr.com/epub-to-pdb) (cloud)
- [FB2 to TXT](https://www.converterrr.com/fb2-to-txt) (in the browser)
- [TXT to PDB](https://www.converterrr.com/txt-to-pdb) (cloud)
- [FB2 to MOBI](https://www.converterrr.com/fb2-to-mobi) (cloud)
- [MOBI to PDB](https://www.converterrr.com/mobi-to-pdb) (cloud)
- [FB2 to HTML](https://www.converterrr.com/fb2-to-html) (in the browser)

## Convert FB2 to other formats

[FB2 to PDF](https://www.converterrr.com/fb2-to-pdf), [FB2 to DOCX](https://www.converterrr.com/fb2-to-docx), [FB2 to EPUB](https://www.converterrr.com/fb2-to-epub), [FB2 to TXT](https://www.converterrr.com/fb2-to-txt), [FB2 to MOBI](https://www.converterrr.com/fb2-to-mobi), [FB2 to HTML](https://www.converterrr.com/fb2-to-html), [FB2 to Markdown](https://www.converterrr.com/fb2-to-md), [FB2 to AZW3](https://www.converterrr.com/fb2-to-azw3), [FB2 to ODT](https://www.converterrr.com/fb2-to-odt), [FB2 to RTF](https://www.converterrr.com/fb2-to-rtf), [FB2 to LaTeX](https://www.converterrr.com/fb2-to-tex), [FB2 to IPYNB](https://www.converterrr.com/fb2-to-ipynb), [FB2 to reST](https://www.converterrr.com/fb2-to-rst), [FB2 to Typst](https://www.converterrr.com/fb2-to-typ), [FB2 to AsciiDoc](https://www.converterrr.com/fb2-to-adoc), [FB2 to Org](https://www.converterrr.com/fb2-to-org), [FB2 to MediaWiki](https://www.converterrr.com/fb2-to-wiki), [FB2 to OPML](https://www.converterrr.com/fb2-to-opml), [FB2 to LIT](https://www.converterrr.com/fb2-to-lit), [FB2 to DocBook](https://www.converterrr.com/fb2-to-docbook), [FB2 to Textile](https://www.converterrr.com/fb2-to-textile), [FB2 to JATS](https://www.converterrr.com/fb2-to-jats), [FB2 to Man](https://www.converterrr.com/fb2-to-man)

## Convert other formats to PDB

[PDF to PDB](https://www.converterrr.com/pdf-to-pdb), [DOCX to PDB](https://www.converterrr.com/docx-to-pdb), [EPUB to PDB](https://www.converterrr.com/epub-to-pdb), [TXT to PDB](https://www.converterrr.com/txt-to-pdb), [MOBI to PDB](https://www.converterrr.com/mobi-to-pdb), [HTML to PDB](https://www.converterrr.com/html-to-pdb), [Markdown to PDB](https://www.converterrr.com/md-to-pdb), [AZW3 to PDB](https://www.converterrr.com/azw3-to-pdb), [ODT to PDB](https://www.converterrr.com/odt-to-pdb), [RTF to PDB](https://www.converterrr.com/rtf-to-pdb), [AZW to PDB](https://www.converterrr.com/azw-to-pdb), [LIT to PDB](https://www.converterrr.com/lit-to-pdb), [LRF to PDB](https://www.converterrr.com/lrf-to-pdb)

## FB2 to PDB: frequently asked questions

### How do I convert FB2 to PDB?

Drop your FB2 file onto the converter above, make sure PDB is selected, and click Convert. When it's done, download the PDB file — it usually takes a few seconds.

### Is it safe to convert FB2 to PDB 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 FB2 to PDB 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 FB2 to PDB reduce quality?

No — PDB preserves the content of your FB2 file as faithfully as the format allows.

### Can I convert multiple FB2 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 PDB back to FB2?

Yes — use our PDB to FB2 converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.