Dynapik offers a free online tool to change image types - no need to download anything. It's quick and easy to use. You can change your PEF images to XBM format. This tool works for both professionals and casual users. Convert your images to XBM in seconds.
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Pentax Electronic File
Pentax's native raw format, offering a choice against DNG.
PEF is the proprietary raw image format used by Pentax (Ricoh) cameras. Uniquely, Pentax DSLRs (like the K-1 and K-3) allow users to choose between saving files as PEF or Adobe DNG in-camera. PEF files contain the raw sensor data and proprietary metadata that is optimized for Pentax's own software.
PEF is a TIFF-based format using lossless compression. It is functionally very similar to DNG, but because it is proprietary, it may contain specific 'MakerNotes' that third-party software might not fully decode (though this is rare nowadays).
Pentax has used PEF since their first digital SLRs. Despite adopting DNG as an in-camera option, they have kept PEF as the default native format.
X BitMap
Images written as C source code.
XBM (X BitMap) is a unique image format that is actually a valid snippet of C source code. It defines an array of bytes representing a monochrome bitmap. Because it is code, it can be compiled directly into an application binary, which made it the standard for X11 icons and cursors.
An XBM file contains `#define` statements for width and height, and a static array of unsigned chars: `static unsigned char image_bits[] = { 0x00, 0xFF, ... };`. It supports only 1-bit color (black and white). Transparency works by defining a mask.
The original format for X Window System bitmaps (X10/X11). Used extensively in the 90s for the early World Wide Web (Mosaic browser) before GIF/JPEG took over.
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