XWD to HRZ conversion is the process of transforming an X Window Dump (XWD) image — a raw bitmap snapshot produced by X11 windowing systems — into the HRZ format, a raster image container used for [HRZ]-compatible viewers and tools. This conversion repackages pixel data and metadata (such as dimensions and color depth) from the XWD structure into the HRZ encoding so the image can be opened, optimized, or distributed as an HRZ file.
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 .XWD file from your computer or use the browse function.
Confirm .hrz as the selected destination format.
Click "Convert" and download your converted .HRZ file once ready.
XWD files use the image/x-xwindowdump MIME type and are typically raw bitmap screen captures from Unix systems. HRZ files use the image/hrz MIME type and support advanced compression codecs for optimized storage. The conversion process involves decoding raw XWD data and encoding it into the more efficient HRZ format.
The HRZ (.HRZ) format is commonly used for image. Understanding its characteristics can be helpful when converting to or from other formats like XWD.
While specific technical details aren't available here, HRZ files generally serve the purpose of storing image effectively within their domain.
Our online XWD to HRZ converter lets you convert XWD files to HRZ format quickly and securely. Designed for seamless XWD conversion, this tool supports hassle-free uploads and instant downloads, making file format changes simple for users across different categories.
XWD is an older, less compressed format often used for raw screen captures, while HRZ is a modern format optimized for efficiency and compatibility. HRZ files tend to be smaller and quicker to open compared to XWD, making HRZ better suited for sharing and editing workflows.
Keep individual XWD input files under 100–250 MB for best web-conversion reliability; very large raw XWD captures can slow processing.
To preserve visual fidelity, convert 24/32-bit XWD files to HRZ lossless or high-quality settings; avoid maximum compression if color accuracy matters.
For batch conversions, group files with similar dimensions and color depth to reduce memory spikes and speed up processing.
Note format-specific limitation: some XWD files embed X11-specific colormap metadata that may require remapping during conversion, potentially altering color indices.
This XWD converter saved me hours by quickly converting my files online.
Emily R.
Photographer
Reliable and fast tool to convert XWD to HRZ without any software installation.
Mark D.
Developer
The best solution for smooth XWD to HRZ conversion with excellent output quality.
Anna L.
Designer
Start your free XWD to HRZ conversion now.
Drag your file here to to upload.
Up to 250MB
If alpha/transparency is critical, verify the original XWD includes an alpha channel and choose an HRZ lossless or alpha-preserving option.