XL Converter

XL Converter is an easy-to-use image converter for modern formats.

Downloads

Version 1.0.2 (2024-08-07)

Windows

Windows 10 or later

Installer

Available on Scoop as extras/xl-converter

Linux

Ubuntu 22.04 or later
fuse installed

Installer
AppImage

Installer: Unpack then run./install.sh

New Version Preview

The preview builds of 1.1 (2024-11-25) are available to Patreon subscribers. Support the development and get access to pre-release builds, news, and tech support.

Download on Patreon

Features

Batch convert to JPEG XL, AVIF, WebP, and JPEG with parallel encoding.

JPEGLI

Encode fully-compatible JPEG images with up to 35% better compression ratio.

JPEG XL and AVIF

Achieve high quality at a small file size with JPEG XL and AVIF.

JPEG -> JPEG XL -> JPEG

Compress JPEG images losslessly to save 20% of space then reverse the process when needed.

User-friendly

Just drag ‘n drop your files and convert.

Resources

Docs

Learn how to best use XL Converter.

Manual
Report Bug

Donate

Support the development.

Donate

Source

Licensed under GPLv3.

Source Code
Changelog
Older Versions

Screenshots

Widely Used

Featured on the supported_software list in the official JPEG XL repository.

Listed on jpegxl.info

Used by hundreds of people.

Full Feature List

  • Conversion
    • Batch conversion to JPEG XL, AVIF, WebP, JPEG and PNG
    • Lossless JPEG Transcoding and Reconstruction
    • Fast parallel encoding
    • Top quality JPEG encoding with JPEGLI
    • Top quality AVIF encoding with AOM AV1
    • Keep folder structure
    • Scaling to resolution, shorter (or longer) side
    • Metadata handling with ExifTool
    • Smallest Lossless (OxiPNG vs WEBP vs JPEG XL)
  • User Experience
    • Clean interface
    • Drag ‘n drop
    • Dark theme
    • Good defaults
    • Lightweight Qt-based GUI
  • Quality of Life
    • Privacy-focused
    • No internet connection required
    • No ads, no telemetry, no annoyances