PGX to XBM conversion is the process of transforming images stored in the JPEG 2000 raw stream (PGX) format into the X BitMap (XBM) format, a plain-text monochrome bitmap used mainly for X Window System icons and simple graphics. This conversion extracts raster pixel data from PGX, optionally thresholds or dithered to black-and-white, and encodes it as C-style hexadecimal bitmaps for use in legacy GUI toolkits or embedded displays.
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 .PGX file from your computer or use the browse function.
Confirm .xbm as the selected destination format.
Click "Convert" and download your converted .XBM file once ready.
PGX files typically use the MIME type image/jpx and are associated with JPEG 2000 codecs supporting lossy and lossless compression. XBM files use the text/plain MIME type since they are ASCII C source code defining a bitmap image. PGX is commonly used for high-quality image archiving, whereas XBM is primarily utilized for storing monochrome icons and cursors in X Window System environments.
The XBM (.XBM) format is commonly used for image. Understanding its characteristics can be helpful when converting to or from other formats like PGX.
While specific technical details aren't available here, XBM files generally serve the purpose of storing image effectively within their domain.
Our Online PGX to XBM Converter provides a simple and efficient way to convert PGX (JPEG 2000) images into XBM (X BitMap) format directly from your browser. Designed for users who need quick access to XBM files without installing additional software, this tool supports seamless conversion with optimal output quality.
PGX is a high-quality image format based on JPEG 2000, often used for detailed image storage with compression. In contrast, XBM is a monochrome bitmap format primarily used for simple graphics and icons in Unix-based systems. While PGX supports more complex image data, XBM is simpler and more universally supported in legacy graphical environments.
Keep individual PGX files under 5–10 MB for fast browser-based conversions; larger files are fine but may be slower to upload and process.
To preserve visual clarity when converting grayscale PGX to 1-bit XBM, experiment with thresholding and use dithering (Floyd–Steinberg) for photographic content.
For icons and UI elements, resize to the target pixel dimensions (e.g., 16x16, 32x32) before conversion to avoid unwanted scaling artifacts.
Use batch conversion for large sets of icons; process images to consistent bit depth and dimensions first to ensure uniform XBM output.
This converter made it so easy to switch from PGX to XBM without losing quality.
Emma L.
Graphic Designer
Perfect for preparing icons for my X11 projects quickly.
Mark D.
Software Developer
I appreciate the fast and hassle-free conversion process, no downloads needed.
Lisa K.
Photographer
Start your free PGX to XBM conversion now.
Drag your file here to to upload.
Up to 250MB
Format-specific limitation: XBM is strictly 1-bit monochrome (no greyscale or color), so nuanced tonal information in PGX will be approximated via thresholding or dithering.