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JPG to JXL Converter

Convert your JPEG Image files to JPEG XL Image format quickly and for free. Just upload your JPG files below, and Converti turns them into JXL in seconds — directly in your browser, with no software to install.

or drag them here
Up to 50 files

    Why convert JPG to JXL?

    Converting your JPG files to JXL makes them easy to open, share and use anywhere. A JPEG Image keeps every detail of your original image, but JPEG XL Image files are supported by virtually every browser, device, photo app and website — so once you convert, you can email, upload or post your images without worrying about compatibility. Converti does it right in your browser in seconds, at the highest quality, and never stores your files.

    How to convert JPG to JXL

    1. Click "Browse Files" or drag your JPG files into the upload area.
    2. Optionally adjust the quality and metadata options.
    3. Press "Convert" and download your new JXL file — multiple files arrive as a ZIP.

    About JPG and JXL

    JPEG Image. JPG (JPEG) is the most widely supported photo format, using lossy compression for small file sizes.

    JPEG XL Image. JXL (JPEG XL) is a next-generation format with excellent compression, lossless JPEG re-encoding and wide colour support.

    Convert JPG to other formats

    JPG to PNG JPG to WebP JPG to GIF JPG to BMP JPG to TIFF JPG to AVIF JPG to ICO JPG to PDF
    Convert JPG to any format

    Convert other formats to JXL

    PNG to JXL WebP to JXL
    Convert to JXL from any format

    Frequently asked questions

    Upload one or more JPG files using the box above, click Convert, and download the resulting JXL file. The whole process takes just a few seconds.

    Yes. Converting JPG to JXL on Converti is completely free, with no sign-up, no watermarks and no limits on the number of conversions.

    Your files are processed only to perform the conversion and are not shared with anyone. We recommend downloading your results and not uploading confidential documents to any online tool.

    Yes. Select several JPG files and they will all be converted to JXL and delivered together in a single ZIP archive.