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.icns,.ICNS (max 100MB)
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ICNS (ICNS icons) - Apple Icon Image, high-resolution macOS icon format. Best for macos application icons, retina display icons.
JXR (JXR) - JPEG XR / HD Photo - Microsoft advanced compression with HDR support. Ideal for hdr imaging, windows photo ecosystem, lossless hd photo archival.
Yes, GoConvertFile offers free conversion of ICNS to JXR for files up to 100MB. No registration required.
Most ICNS to JXR conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
JXR is ideal for hdr imaging, windows photo ecosystem, lossless hd photo archival. JPEG XR / HD Photo - Microsoft advanced compression with HDR support
Yes, converting ICNS to JXR uses lossy compression, which reduces file size by discarding some visual data. Set quality to 85-95% for a good balance of quality and file size.
JXR files are typically 50-80% smaller than ICNS files because JXR uses efficient lossy compression. The exact reduction depends on quality settings.
No, JXR does not support transparency. Any transparent areas in your ICNS will be filled with a solid color (usually white) during conversion. Use PNG or WebP if transparency is needed.
Apple Icon Image (ICNS) is the native icon format for macOS, supporting multiple resolutions including Retina in a single file.
JXR files are built around lossy compression. Designed for hdr imaging, windows photo ecosystem, lossless hd photo archival, they use the image/jxr MIME type and typically range from varies by content.
Reach for ICNS when your priority is macos application icons, retina display icons — its uncompromising quality ensures every detail is preserved.
Reach for JXR when your priority is hdr imaging, windows photo ecosystem, lossless hd photo archival — its efficient compression makes sharing fast and storage minimal.
Learn more about ICNS and JXR formats in our detailed guide.