LRF to PALM Converter

Free LRF to PALM conversion — Palm pixmap images

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Legacy Format Bridge

Move content from one retro platform to another — convert LRF Sony ebooks to PALM images for classic Palm OS devices.

Effortless Workflow

Three quick steps — upload your LRF ebook, choose PALM output, download the result. No expertise required.

Private and Secure

Uploaded LRF files are erased after processing. PALM output is automatically removed from servers within 24 hours.

How to convert LRF to PALM

1

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

2

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

3

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

About formats

LRF is the file format associated with Sony's BBeB (Broadband eBook) specification, jointly developed by Sony and Canon and introduced in 2004 with the Sony Librie EBR-1000EP — the world's first commercial E Ink e-reader. The format supports both reflowable text and fixed-layout page rendering, embedding fonts, images, vector graphics, and metadata within a compact binary container. LRF files use a block-based internal structure with object trees describing page layouts, text streams, image resources, and table of contents navigation. Sony's Reader devices and the companion desktop software (Sony Reader Library) served as the primary ecosystem for LRF content throughout the mid-2000s. A key advantage was its early adoption of high-quality font embedding and text rendering optimized specifically for E Ink displays, delivering a reading experience noticeably superior to many competing formats of the era. The format also supported bookmark synchronization, dictionary lookups, and annotations within the Sony Reader ecosystem. However, Sony officially discontinued BBeB/LRF support in 2010, migrating its Reader platform to the industry-standard EPUB format. Today LRF files are primarily encountered in personal ebook collections from that period and can be converted to modern formats using tools like Calibre. The format remains a historically significant milestone as the native format of the device category that launched the modern e-reader revolution.
Developer: Sony
Initial release: 2004
PALM is a bitmap image format used by the Palm OS operating system, introduced in 1996 with the original Palm Pilot 1000. Palm bitmap files store raster images in formats optimized for the extremely constrained hardware of early Palm handheld devices — the original models featured a 160x160 pixel monochrome (2-shade) display, 128 KB of RAM, and a 16 MHz Motorola 68328 processor. The format evolved through several versions as Palm hardware improved: PalmOS 1.0 supported 1-bit monochrome, later versions added 2-bit (4 shade grayscale), 4-bit (16 shade), 8-bit (256 color), and eventually 16-bit (65536 color) direct color modes. Palm bitmaps use a simple header specifying width, height, row bytes, flags, and bit depth, followed by the pixel data which may use optional Scanline compression (a PackBits-like run-length encoding) or dense packing. The format also supports bitmap families — multiple versions of the same image at different bit depths bundled together, allowing the OS to select the best version for the current device's display capabilities. One advantage is the format's documentation of early mobile computing: Palm OS was the dominant handheld platform of the late 1990s and early 2000s, and Palm bitmap files from applications, games, and content of that era represent important artifacts of mobile computing history. The multi-depth bitmap family feature provides another notable design strength — a single resource could serve devices ranging from monochrome Palm Pilots to the 16-bit color Sony CLIE and Palm Tungsten. PALM bitmaps are supported by ImageMagick, pilot-link utilities, and Palm emulator tools.
Developer: Palm, Inc.
Initial release: 1996

Frequently Asked Questions

Why convert LRF to PALM?

PALM pixmap is the native image format for Palm OS devices. It makes LRF ebook visuals accessible on classic Palm handhelds.

Which apps can open PALM files?

Palm OS devices display PALM pixmaps natively. ImageMagick and Calibre can also handle PALM format on desktop systems.

Is PALM a modern format?

No, PALM is a legacy format tied to Palm OS hardware. For modern use, PNG or WEBP are recommended alternatives.

What resolution does PALM support?

PALM pixmaps support the low resolutions typical of Palm OS screens — usually 160x160 or 320x320 pixel dimensions.

Is LRF to PALM free?

Convertio provides free LRF to PALM conversion. Paid plans offer bigger uploads and priority processing speeds.