Convert JXL to PNG, JPEG, and more with XL Converter 1.2.1

XL-Converter is a fast and easy-to-use image converter focused on modern formats. It supports JPEG XL, AVIF, JPEGLI, and lossless JPEG transcoding, ensuring high-quality conversions. The tool leverages parallel encoding for speed and efficiency. It also integrates ExifTool, allowing metadata preservation and manipulation during conversion. With a simple interface, XL-Converter makes it easy to batch process images without hassle.

XL Converter key features:

  • Batch conversion for multiple images
  • Supports JPEG XL, AVIF, WebP, JPEG, PNG
  • Lossless JPEG compression & reconstruction
  • Fast parallel encoding using multiple CPU cores
  • Better JPEG compression with JPEGLI (up to 35% smaller)
  • High-quality AVIF encoding (AOM AV1)
  • Metadata handling with ExifTool
  • Easy-to-use interface with drag-and-drop & dark mode
  • Keeps folder structure during conversion
  • Resize images by resolution or dimensions
  • Lossless JPEG fixes (verify & normalize)
  • Finds smallest file size across formats
  • Privacy-friendly (no ads, telemetry, or internet required)
  • Optimized default settings for best results

XL Converter 1.2.1 changelog:

Added

  • Add new IQ tune for AVIF encoding (#99).
  • Add Page Up and Page Down navigation to file view.
  • Publish this program on Flathub (#95).

Changed

  • Reintroduce limited APNG support.
  • Update libaom to v3.12.0.
  • Update libavif, oxipng, ExifTool, ImageMagick, and Qt.
  • Notify user when Flatpak permissions are insufficient.
  • Change user data location for Flatpak builds.
  • Adjust update checker to Flatpak.

Fixed

  • Account for unsupported routine (#93).
  • Fix visual bug where a category button was not lit up.
  • Fix "Add Files" button behavior inside Flatpak.