JPEG XL vs JPEG
JPEG makes a compact photographic delivery file, but ordinary JPEG discards detail and has no alpha. Keep the richer source for editing and use JPEG when the receiving workflow expects an opaque photo.
Image format
JPEG XL
A JPEG-family image system for lossy and lossless pictures, high precision, alpha and animation.
Explore the format
Convert JPEG XL to
Choose a target format for your JPEG XL images.
JPEGJPEGJPEG XL → JPEGPNGPNGJPEG XL → PNGWebPWebPJPEG XL → WebPAVIFAVIFJPEG XL → AVIFHEICHEICJPEG XL → HEICHEIFHEIFJPEG XL → HEIF
All 21 conversions
GIFGIFJPEG XL → GIFWith caveatTIFFTIFFJPEG XL → TIFFBMPBMPJPEG XL → BMPICOICOJPEG XL → ICOJPEG 2000JPEG 2000JPEG XL → JPEG 2000QOIQOIJPEG XL → QOITGATGAJPEG XL → TGAPCXPCXJPEG XL → PCXPPMPPMJPEG XL → PPMPGMPGMJPEG XL → PGMWith caveatPBMPBMJPEG XL → PBMWith caveatPAMPAMJPEG XL → PAMHDRHDRJPEG XL → HDREXREXRJPEG XL → EXRPDFPDFJPEG XL → PDF
Marked paths may need steps such as flattening, rasterization, tone mapping or animation loss.
Convert to JPEG XL
Choose a source format to convert to JPEG XL.
JPEGJPEGJPEG → JPEG XLPNGPNGPNG → JPEG XLWebPWebPWebP → JPEG XLAVIFAVIFAVIF → JPEG XLHEICHEICHEIC → JPEG XLHEIFHEIFHEIF → JPEG XL
All 36 conversions
GIFGIFGIF → JPEG XLWith caveatTIFFTIFFTIFF → JPEG XLBMPBMPBMP → JPEG XLSVGSVGSVG → JPEG XLICOICOICO → JPEG XLJPEG 2000JPEG 2000JPEG 2000 → JPEG XLQOIQOIQOI → JPEG XLTGATGATGA → JPEG XLPCXPCXPCX → JPEG XLPPMPPMPPM → JPEG XLPGMPGMPGM → JPEG XLPBMPBMPBM → JPEG XLPAMPAMPAM → JPEG XLHDRHDRHDR → JPEG XLWith caveatEXREXREXR → JPEG XLWith caveatPSDPSDPSD → JPEG XLWith caveatPDFPDFPDF → JPEG XLWith caveatDNGDNGDNG → JPEG XLCanon CR2Canon CR2Canon CR2 → JPEG XLCanon CR3Canon CR3Canon CR3 → JPEG XLCanon CRWCanon CRWCanon CRW → JPEG XLNikon NEFNikon NEFNikon NEF → JPEG XLSony ARWSony ARWSony ARW → JPEG XLFujifilm RAFFujifilm RAFFujifilm RAF → JPEG XLOlympus ORFOlympus ORFOlympus ORF → JPEG XLPanasonic RW2Panasonic RW2Panasonic RW2 → JPEG XLPentax PEFPentax PEFPentax PEF → JPEG XLSigma X3FSigma X3FSigma X3F → JPEG XLKodak RAWKodak RAWKodak RAW → JPEG XLHasselblad 3FRHasselblad 3FRHasselblad 3FR → JPEG XL
Marked paths may need steps such as flattening, rasterization, tone mapping or animation loss.
About JPEG XL
JPEG XL Image Coding System
JPEG XL is a separate image coding system standardised as ISO/IEC 18181, not a new extension for ordinary JPEG. It targets image delivery and photographic workflows with both lossy and lossless coding. Its codestream can represent wide-gamut, high-bit-depth images and additional channels such as alpha.
JPEG XL includes progressive decoding, animation and blending features. Its optional box-based container carries metadata and reconstruction data for losslessly recompressed JPEG bitstreams. Ordinary pixel encoding and reversible JPEG recompression are different operations; saving decoded JPEG pixels into JXL does not necessarily preserve the original JPEG bytes.
Use JPEG XL for supported photographic interchange or storage where precision, alpha or lossless coding matter. Verify support in the actual receiving software, including metadata and optional features. It can preserve rich image information, but should not be assumed to retain all editing semantics of an arbitrary layered Photoshop document.
Key capabilities
Lossless pixels, lossy pixels and reversible recompression of an eligible JPEG bitstream are separate modes. Exact JPEG reconstruction requires its reconstruction data, not just matching rendered pixels.
History of JPEG XL
JPEG XL standardisation separates coding, file storage, conformance and reference software, with an explicit transition path for existing JPEG images.
JPEG XL compared
Different formats, different trade-offs. Choose for the image and the workflow.
JPEG XL vs AVIF
AVIF uses AV1 coding and supports alpha, image sequences and higher bit depths for HDR workflows. It is worth evaluating for final delivery; codec settings and the receiving application determine whether its additional features survive.
JPEG XL vs PNG
PNG preserves decoded pixels losslessly and can carry alpha. It is useful for transparent graphics and screenshots; it does not preserve editable document layers or camera sensor data, and photographic files can be large.
JPEG XL vs JPEG 2000
JPEG 2000 uses wavelet coding and offers both reversible lossless and irreversible lossy modes. JP2 can carry colour information around a codestream; it is useful in specialised interchange, with fewer assumptions about ordinary web image viewers.
JPEG XL FAQ
What does this format store?
JPEG XL is a separate image coding system standardised as ISO/IEC 18181, not a new extension for ordinary JPEG. It targets image delivery and photographic workflows with both lossy and lossless coding. Its codestream can represent wide-gamut, high-bit-depth images and additional channels such as alpha.
How does compression affect quality?
Lossless pixels, lossy pixels and reversible recompression of an eligible JPEG bitstream are separate modes. Exact JPEG reconstruction requires its reconstruction data, not just matching rendered pixels.
Can JXL restore the original JPEG file?
Yes for a supported losslessly recompressed JPEG with its reconstruction data. A generic JXL image encoded from decoded JPEG pixels does not provide that guarantee.
What should I check before opening the file?
Check JXL decoding, animation and the intended colour/bit-depth path. libjxl is a reference implementation, but its availability does not mean every browser or editing application supports the file.
What changes when I export to another format?
An ordinary JPEG export removes alpha and usually reduces sample precision; SDR targets need HDR tone mapping. A still export removes timing. Bitstream reconstruction is available only when the necessary JPEG reconstruction information is present.
When is this format useful?
Use JPEG XL for supported photographic interchange or storage where precision, alpha or lossless coding matter. Verify support in the actual receiving software, including metadata and optional features. It can preserve rich image information, but should not be assumed to retain all editing semantics of an arbitrary layered Photoshop document.