JPEG XL Toolbox

This application offers various JPEG XL (JXL) functionalities.

Supports:

• ProRAW DNG -> DNG

  • Lossless compression, about 1/2 of the original size
  • Lossy compression, about 1/6 of the original size

• ProRAW DNG -> JXL

  • Lossy conversion, about 1/7 of the original size

• DNG -> JXL

  • Lossy conversion, about 1/7 of the original size

• HEIF -> JXL

  • Lossy conversion

• JPEG -> JXL

  • Lossless conversion

Features:

• Keeps the internal metadata
• Preserves 16-bit depth
• Preserves HDR display effects in iOS Photos App
• Batch conversion capabilities

=== CHNAGELOG ===

version 0.3.2

• Bumps libjxl to v0.10.2
• Adjusts settings view

version 0.3.1

• Improves processing speed significantly
• Adds lossless mode for ProRAW compression
• Uses 7 as the default effort

version 0.3.0

• Adds ProRAW direct compression

version 0.2.1

• Settings page adjustment
• Some UI improvements

version 0.2.0

• Adds Pro version purchase
• Adds several ProRAW parameters in settings for Pro version
• Adds decoding speed in settings
• Low memory mode now allows devices with 4GB RAM to convert 48M ProRAW

version 0.1.2

• Uses lossless encoding for JPEG automatically
• Adds Modular mode support
• Adds Progressive mode support
• Adds Colorspace support
• Keeps HDR effect when converting from ProRAW

version 0.1.1

• Adds support for ProRAW to lossy JPEG XL conversion
• Adds Batch conversion
• Keeps DNG Metadata in JXL
• Adds quality and effort in settings