.j2k JPEG-2000 codestream
Images
| MIME type | image/x-jp2-codestream |
|---|---|
| Description | JPEG-2000 codestream |
| Category | Images |
| Other extensions | .j2c, .jpc |
Frequently asked questions
What is a .j2k file?
A .j2k file is a “JPEG-2000 codestream” (MIME type image/x-jp2-codestream).
How do I open a .j2k file?
With any image viewer that supports the format – the Photos app on Windows, Preview on macOS, Eye of GNOME or GIMP on Linux. For unusual formats a converter such as ImageMagick helps.
How can you tell a genuine .j2k file?
No fixed signature at the start of the file is registered for this format; it is recognised mainly by its extension. On Linux and macOS, file --mime-type example.j2k shows the guessed type.
Which MIME type belongs to .j2k?
The MIME type is image/x-jp2-codestream. In the Apache web server: AddType image/x-jp2-codestream .j2k; in nginx: types { image/x-jp2-codestream j2k; }.