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How to convert BMP to JXL?
You can convert BMP to JXL with MConverter in three easy steps:
Choose BMP files from your device
At the top of this page, drag and drop your BMPs. You can also click to select BMP files using your operating system's file picker. Another method is to press the keyboard shortcut Ctrl+V (⌘+V on Mac) to paste a BMP file you have copied to clipboard. Converting a folder with BMP files to JXL is also supported: simply paste or drag and drop it.
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.
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. On desktop platforms, you can download the JXL files to a different folder by clicking on SAVE TO... You may see a share icon as well. Use it to directly share the JXLs with other apps.
About the formats
Image file formats
BMP files, also known as bitmap image files, are uncompressed raster images. They contain a file header with a bitmap identifier, width, height and color settings among other information, as well as bitmap pixels with different colors. Because of the lack of any compression, BMP files often have a relatively large file size. Therefore, it may be beneficial to convert such images to newer, better-optimized formats like WebP and AVIF.
Image file formats
Joint Photographic Experts Group
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 BMP to JXL
Can I convert BMP to JXL in bulk?
Yes, MConverter supports batch converting of multiple BMPs to JXLs simultaneously. You can even drag and drop folders containing BMPs to convert to JXL. Pasting BMP files and folders copied in the clipboard also works: use Ctrl+V.
Can I convert a BMP file to JXL, if its size is 1 GB?
Yes, with MConverter Premium you can convert big BMPs, up to 1 gigabyte each. The free version lets you convert files up to 100 MB. If you need to convert BMP files over 100 megabytes, try MConverter Premium.
Is converting BMPs to JXL safe with MConverter?
Yes, we encrypt your connection using industry standards. Plus, your BMP files are only accessible by you. 4 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your BMPs and other converted files immediately after finishing the conversion by clicking the bin icon. Join others who have trusted us to convert over 5,205,357 files so far.
How long does it take to convert BMP 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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