BMP to PDB conversion is the process of transforming a bitmap image file (BMP), a raster format developed by Microsoft that stores uncompressed pixel data, into a PDB image container used by Palm OS (or other legacy/mobile PDA systems) to store images and resources. This conversion repackages pixel data and may adjust color depth, dimensions, and metadata so the image is compatible with PDB-based viewers or applications.
Related guides
Practical guides to help you choose formats, preserve quality, and avoid common conversion problems.
WebP has quietly become the default image format of the modern web, delivering 25-35% smaller files than JPG and PNG with universal browser support. This 2026 guide covers current adoption stats, browser compatibility, WordPress integration, conversion workflows, and when to choose WebP over AVIF for optimal Core Web Vitals performance.
Read guide →Not sure whether to save your image as PNG or JPG? This detailed comparison covers compression, transparency, file size, web performance, and real-world use cases so you can pick the right format every time — with conversion links when you need to switch.
Read guide →Learn how to convert HEIC to JPG for maximum compatibility. This guide explains what HEIC is, why iPhones use it, the key differences between HEIC and JPG, and walks through every conversion method including online tools, iPhone settings, Windows, and Mac.
Read guide →Drag your .BMP file from your computer or use the browse function.
Confirm .pdb as the selected destination format.
Click "Convert" and download your converted .PDB file once ready.
BMP files have the MIME type image/bmp and store uncompressed bitmap images, commonly used in Windows environments. PDB files typically use the MIME type application/x-pdb and are employed in Palm OS for databases and eBooks, relying on specific codecs for structured data handling. The conversion process translates raw image data into a format optimized for PDB's use cases.
The PDB (.PDB) format is commonly used for image. Understanding its characteristics can be helpful when converting to or from other formats like BMP.
While specific technical details aren't available here, PDB files generally serve the purpose of storing image effectively within their domain.
Our Online BMP to PDB Converter offers a simple and efficient way to convert your BMP image files into PDB format. Designed for users who need fast and accurate file transformation, this tool requires no software installation and works directly in your browser.
BMP files are uncompressed raster images mainly used for high-quality pictures, resulting in larger file sizes. PDB files are more compact and often used for Palm OS applications or eBook content, supporting structured data. While BMP is popular for general imaging, PDB is tailored for specific device compatibility and data organization.
Keep source BMP files under 1GB for smooth processing; optimal single-image size is under 50–200MB to speed conversion and reduce memory use.
Preserve quality by avoiding unnecessary downsampling; if target device requires lower bit depth, use dithering to retain visual detail.
For batch conversion, group images with the same target size and color settings to maintain consistency and speed up processing.
Format limitation: PDB often targets legacy Palm devices and may not support alpha channels or full 24/32-bit color on all viewers—expect color depth reduction.
This BMP to PDB converter made it so easy to adapt images for my Palm device.
Emily R.
Photographer
Reliable and fast conversion, perfect for my workflow.
Jason M.
Developer
Great quality retention and no hassle with software installs.
Linda S.
Graphic Designer
Start your free BMP to PDB conversion now.
Drag your file here to to upload.
Up to 250MB
If your BMP uses RLE or uncommon headers, verify conversion tool compatibility or first save as a standard uncompressed BMP to avoid errors.