SFW to PDB Converter

Transform SFW images into lossless PDB online

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Private & Secure

Your SFW uploads are deleted right after conversion, and the PDB output is removed from servers within 24 hours — your data stays safe.

Quick Turnaround

Most SFW files convert to PDB within moments. Server-side processing ensures speed regardless of your device capabilities.

Any Device Works

Convert SFW to PDB from a desktop, laptop, tablet, or phone. Any device with a modern browser and internet connection works.

How to convert SFW 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

SFW is a proprietary image format created by Seattle FilmWorks (later PhotoWorks) for their Pictures on Disk mail-order photo service, active primarily from 1994 through the early 2000s. Customers who sent film to Seattle FilmWorks for developing could opt to receive their photos back on 3.5-inch floppy disks in addition to (or instead of) traditional prints. SFW files contained the scanned photographs in a JPEG-based encoding wrapped in a custom header, designed to be viewed through Seattle FilmWorks' proprietary desktop software. The service was notably popular in the mid-1990s, offering one of the most accessible ways for ordinary consumers to obtain digital versions of their film photographs before consumer scanners and digital cameras became affordable. SFW files typically contained modest-resolution scans appropriate for screen viewing and small prints — sufficient quality for the 640x480 and 800x600 monitor resolutions common at the time. One advantage of SFW files is their role as historical artifacts: for many families, SFW disks represent the only digital copies of film-era photographs from the 1990s, preserved on media that predates widespread home scanning and digital photography. The underlying JPEG data ensures reasonable image quality despite the proprietary wrapper. Extracting images from SFW files is straightforward: tools like XnView, ImageMagick, and specialized SFW-to-JPEG converters can strip the proprietary header and save the standard JPEG data, making these nostalgic files accessible on any modern device.
Developer: Seattle FilmWorks
Initial release: 1994
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 SFW to PDB?

SFW photos require viewer software that no longer ships. Converting to PDB ensures those memories remain viewable and shareable.

What programs can open PDB?

Palm OS emulators and ImageMagick process PDB image files. This database format was used for images on Palm handheld devices.

How accurate is SFW to PDB conversion?

Since PDB supports lossless storage, the pixel data carries over without degradation. The result faithfully represents the source SFW image.

How quickly can I convert SFW to PDB?

The process is fast — cloud-based processing handles SFW to PDB conversion in seconds for standard-sized images, even on slower connections.

Can I convert multiple SFW images at once?

Yes — upload multiple SFW files in one session and convert them all to PDB simultaneously. Batch processing saves time on repetitive tasks.

Can I recover photos from old floppy disks?

If you can read the SFW files from the disk onto your computer, Convertio will convert them to PDB — rescuing those memories.