Convert DNG to JP2 offline by JavaScript

Convert DNG to JP2 offline

Convert local DNG files to JP2 files offline by JavaScript in your web browser without any software downloads or file uploads!

Files:

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#	File Name	File Size	Actions

How to convert DNG to JP2 offline

Choose local DNG image files, choose "JP2" as target image format, then click the "CONVERT OFFLINE" button to start offline conversions in bulk. File size can be up to 2GB.

This offline converter will try to use canvas in web browser to convert images first. The image format depends on whether your current web browser supports. For example: the latest Chrome browser supports AVIF images while some old versions don't. Then the offline converter will try to use JavaScript to convert images if your current web browser doesn't support the image format.

Name	DNG	JP2
Full name	Digital Negative	JPEG 2000
File extension	.dng	.jp2, .j2k, .jpf, .jpx, .jpm, .mj2
MIME	image/x-adobe-dng	image/jp2
Developed by	Adobe Systems	Joint Photographic Experts Group
Type of format	Raw image format	Graphics file format
Introduction	Digital Negative (DNG) is a patented, open lossless raw image format written by Adobe used for digital photography. All Adobe photo manipulation software (such as Adobe Photoshop and Adobe Lightroom) released since the launch supports DNG. DNG is based on the TIFF/EP standard format, and mandates significant use of metadata. Use of the file format is royalty-free.	JPEG 2000 (JP2) is an image compression standard and coding system. It was created by the Joint Photographic Experts Group committee in 2000 with the intention of superseding their original discrete cosine transform-based JPEG standard with a newly designed, wavelet-based method.