# Convert Markdown to PDB

> Convert Markdown 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/md-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: [Document converter](https://www.converterrr.com/document-converter), [Markdown converter](https://www.converterrr.com/md-converter).

## How to convert Markdown to PDB

1. **Add your Markdown files.** Drag and drop Markdown 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.
- Markdown files are typically used for READMEs, documentation and notes, 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.

## Markdown vs PDB

|  | Markdown | PDB |
| --- | --- | --- |
| Full name | Markdown | Palm eBook |
| Type | Document | eBook |
| Extensions | .md, .markdown | .pdb |
| MIME type | text/markdown | application/vnd.palm |
| Best for | READMEs, documentation and notes | archived Palm e-books |
| Properties | plain-text markup, open standard | legacy format |

**Markdown:** Markdown is a lightweight plain-text syntax for headings, lists and links that's used across GitHub, docs sites and note apps.

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

## Related conversions

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

## Convert Markdown to other formats

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

## Markdown to PDB: frequently asked questions

### How do I convert Markdown to PDB?

Drop your Markdown 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 Markdown 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 Markdown 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 Markdown to PDB reduce quality?

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

### Can I convert multiple Markdown 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.