Easy-to-use image converter for modern formats.
Downloads
Version 1.2.0 / Changelog
Windows
Windows 10 or later
Available on Scoop as extras/xl-converter
Linux
Ubuntu 22.04 or later
Installer: Unpack then run./install.sh
Resources
Docs.
Learn how XL Converter works or report a bug.
Donations
Tech Support
Support the development on Patreon.
Misc.
Licensed under GPLv3.
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.
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.
- Novel Lossless JPEG Transcoding features:
- Verify: Validates checksum and reconstruction data.
- Normalize: Allows for transcoding problematic JPEG images. Rewrites image structure without affecting quality or metadata.
- The new AVIF encoder: SVT-AV1-PSY.
- Copying and preserving source image if the result is larger.
- 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.
This is the official website for XL Converter. XL Converter is free and open source.