Convert HEIC to JPEG XL (JXL) in bulk.
Large HEIC files are supported.

Max size: 200 MB per file

You can convert HEIC Learn more about HEIC files to


How to convert HEIC to JXL?

You can convert HEIC to JXL with MConverter in three easy steps:
  1. Choose HEIC files from your device
    At the top of this page, drag and drop your HEICs.
    You can also click to select HEIC files using your operating system's file picker.
    Another method is to press the keyboard shortcut Ctrl+V (⌘+V on Mac) to paste a HEIC file you have copied to clipboard.
    Converting a folder with HEIC files to JXL is also supported: simply paste or drag and drop it.
  2. Click or tap on JXL from the list of target formats
    Alternatively, you can use the search field to quickly find the format you need, whether it's JXL or something else.
  3. Download your JXL files, after MConverter has finished processing them
    There's an option to automatically download the converted JXL files, so you don't have to press the download icon for each JXL.
    You may see a share icon as well. Use it to directly share the JXLs with other apps.

About the formats

Extension heic
Category Image/Picture file formats
Developed by MPEG (Moving Picture Experts Group)
Mime type image/heic


HEIC is a new graphics format, containing one or more images stored in the High Efficiency Image Format (HEIF). This format, which is more efficient than JPEG, is heavily pushed by Apple on iOS and MacOS.
However, other operating systems may not be able to open such files, so it is a good idea to convert to another image format with wider adoption (JPG, PNG, or more efficient ones like WebP, JXL, or AVIF) when sending a photo from an iPhone, for example.
Extension jxl
Category Image/Picture file formats
Developed by Joint Photographic Experts Group
Mime type image/jxl


JPEG XL (or JXL) is a new image format with better compression than other image formats like legacy JPEG, PNG, WebP, AVIF and others. Designed for the modern web and with professional photography in mind, JPEG XL offers a more efficient way of storing images. In addition to supporting alpha channels/transparency, lossless, progressive loading and animations, the new image format promises high speed encoding and decoding even on phones.

JPEG XL has experimental support in Firefox, Chrome and other Chromium-based browsers like Edge. For now, you need to enable a feature flag for the browsers to display JXL images.

MConverter’s conversions from JPEG XL are lossless, so there is no reduction in the quality of your images.
When converting from JPG or GIF to JXL, the quality is mathematically lossless. In all other cases when converting to JXL, the image quality is kept visually lossless. Your images will look visually identical.

Common questions about converting HEIC to JXL

Can I convert HEIC to JXL in bulk?

Yes, MConverter supports batch converting of multiple HEICs to JXLs simultaneously. You can even drag and drop folders containing HEICs to convert to JXL.
Pasting HEIC files and folders copied in the clipboard also works: use Ctrl+V.

Can I convert a HEIC file to JXL, if its size is 1 GB?

Yes, with MConverter Premium you can convert big HEICs, up to 1 gigabyte each.
The free version lets you convert files up to 200 MB. If you need to convert HEIC files over 200 megabytes, try MConverter Premium.

Is converting HEICs to JXL safe with MConverter?

Yes, we encrypt your connection using industry standards. Plus, your HEIC files are only accessible by you. 24 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your HEICs and other converted files immediately after finishing the conversion by clicking the bin icon.
Join others who have trusted us to convert over 2,640,548 files so far.

How long does it take to convert HEIC to JXL?

For most images, the wait should be less than a minute. If they are animated, it may take a little longer. However, MConverter also supports converting larger images, meaning that it could take a while (up to over an hour, for example).
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