Convert JPG to JP2 offline
Convert local JPG files to JP2 files offline by JavaScript in your web browser without any software downloads or file uploads!
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How to convert JPG to JP2 offline
Choose local JPG 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. Use online converter instead if this offline converter doesn't work in your web browser.
| Name | JPG | JP2 |
| Full name | Joint Photographic Experts Group | JPEG 2000 |
| File extension | .jpg, .jpeg, .jpe, .jif, .jfif, .jfi | .jp2, .j2k, .jpf, .jpx, .jpm, .mj2 |
| MIME | image/jpeg | image/jp2 |
| Developed by | Joint Photographic Experts Group | Joint Photographic Experts Group |
| Type of format | Lossy image format | Graphics file format |
| Introduction | JPEG is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and image quality. JPEG typically achieves 10:1 compression with little perceptible loss in image quality. | 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. |