JPS to PDB Converter

JPS to PDB — transform your images online for free

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Any Device

Convert JPS to PDB on Windows, macOS, Linux, iOS, or Android. The browser-based tool works identically across every platform.

Digital Publishing

Convert your JPS images into PDB ebook format — ready for distribution on e-readers, tablets, and digital bookstores worldwide.

Secure Processing

Your JPS images stay safe — uploads are deleted post-conversion, and all PDB outputs are purged from servers within 24 hours automatically.

How to convert JPS to PDB

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose pdb or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your pdb file right afterwards

About formats

JPS (JPEG Stereo) is a stereoscopic 3D image format that stores a left-eye and right-eye view pair within a single JPEG-compressed file, developed by VRex, Inc. around 1997 for use with stereoscopic displays and viewers. A JPS file is technically a standard JPEG file containing a side-by-side stereo pair — the left and right perspective images are placed horizontally adjacent within a single frame, with the full image width being twice the individual view width. The file uses standard JPEG compression and can be opened by any JPEG-compatible viewer (which will show the side-by-side pair as a single wide image), but stereo-aware applications parse the image into its left and right components for proper 3D presentation. JPS files can be viewed with dedicated stereoscopic software, anaglyph viewers (generating red-cyan images for colored glasses), autostereoscopic displays, VR headsets, and hardware like NVIDIA 3D Vision or passive 3D monitors. The format gained renewed interest with the consumer 3D photography boom of the late 2000s and early 2010s, when cameras like the Fujifilm FinePix Real 3D W1/W3 captured stereo pairs natively. One advantage is backward compatibility: because JPS uses standard JPEG encoding, the files work with existing JPEG infrastructure — they can be transmitted, stored, thumbnailed, and even viewed (as flat side-by-side images) without any special software. The format's simplicity is another practical strength — no specialized container or codec is required, and any tool that can crop and display JPEG images can extract individual views. JPS files are supported by StereoPhoto Maker, ImageMagick, and various 3D photo viewers.
Developer: VRex, Inc.
Initial release: 1997
PDB (Palm Database) is a generic database container format created by Palm, Inc. for the Palm OS platform, first appearing with the original PalmPilot in March 1996. In the ebook context, PDB files most commonly use the PalmDOC or Plucker encoding to store readable text with basic formatting. The format consists of a 78-byte header identifying the database name, creation date, and record count, followed by a record index table and the data records themselves. PalmDOC-encoded PDB files use a simple LZ77-based compression scheme to pack plain text efficiently, while Plucker extends this with HTML rendering, image support, and hyperlink navigation. PDB ebooks powered a thriving mobile reading ecosystem years before dedicated e-readers existed — millions of Palm OS users carried entire libraries on devices like the Palm V, Tungsten, and Treo handhelds. A primary advantage is extreme simplicity: the flat record structure and minimal overhead mean PDB files parse instantly even on severely constrained hardware with limited memory and processing power. The open, well-documented structure is another strength, having spawned numerous reader applications across Palm OS, Windows, and later mobile platforms. Though the Palm platform is long discontinued, PDB ebooks remain accessible through conversion tools and readers like Calibre, and the format holds historical significance as one of the earliest practical mobile ebook solutions.
Developer: Palm, Inc.
Initial release: March 1996

Frequently Asked Questions

Why convert JPS to PDB?

PDB is an ebook format readable on dedicated e-readers and mobile apps. Converting JPS images lets you package visual content for electronic distribution.

What programs open PDB?

Use Palm Reader, Calibre, FBReader to view and edit PDB. The format is well-supported across popular software packages.

Does this work on mobile devices?

Yes — the converter runs in any modern web browser, including mobile. Whether you use iOS, Android, Windows, or macOS, just open convertio.tools and convert.

Do I need to pay to convert JPS to PDB?

Basic conversions are free — no account required. Convertio also offers premium tiers for users who need higher throughput or larger inputs.

Is batch JPS to PDB conversion supported?

Absolutely. Queue up multiple JPS images in a single session and convert them all to PDB simultaneously — no need to process one at a time.

How long does JPS to PDB conversion take?

Most conversions finish within seconds. Processing time depends on image size and server load, but JPS to PDB is typically very quick.