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 CRW images to PDB format. This tool works for both professionals and casual users. Convert your images to PDB in seconds.
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Canon RAW (Legacy)
The ancestor of modern Canon raw formats.
CRW (Canon Read/Write) is the original raw image format used by early Canon digital cameras, such as the EOS D30, D60, 10D, and the original Digital Rebel (300D). It predates the CR2 format. Unlike modern raw formats that are typically TIFF-based, CRW uses the CIFF (Camera Image File Format) structure. It often comes paired with a .thm (thumbnail) file, which contains the preview image and metadata.
CRW files store raw sensor data, usually 10-bit or 12-bit. The file structure is quite different from CR2/CR3, organizing data into a heap of 'chunks'. Because it is a legacy format, it does not support modern features like GPS tags or advanced lens profiles natively, though software can apply them in post.
CRW was used from 1997 until 2004. It was replaced by CR2 because CRW had limitations in file size and metadata extensibility.
Palm Database
The generic database container for Palm OS.
PDB (Palm Database) is the standard file format for all data on Palm OS devices, from address books to e-books. In the context of images, a PDB file acts as a container for 'Palm Pixmap' images, typically storing them as a series of records. It was the only way to get data onto a Palm pilot.
A PDB file consists of a header (name, attributes, creation time) and a list of records. For images, these records contain the bitmap data (often compressed with RLE/PackBits). ImageMagick treats PDB files as a multi-image sequence if multiple bitmaps are stored in the records. The format is strictly structured to map directly to the device's RAM storage model.
Created by Palm Computing in 1996. It was designed to facilitate 'HotSync' between the handheld's RAM and the desktop PC. It became ubiquitous in the early 2000s PDA era.
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