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
Available on Scoop as extras/xl-converter
Linux
Ubuntu 22.04 or later
fuse installed
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.
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.
Donate
Support the development.
Source
Licensed under GPLv3.
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