---
name: "opj_dump"
section: "1"
platform: "linux"
package: "openjpeg2"
version: "2.5.4-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/opj_dump"
---

# opj\_dump(1)

This program reads in a jpeg2000 image and dumps the contents to stdout. It is part of the OpenJPEG library. Valid input image extensions are .j2k, .jp2, .jpt

## NAME

opj\_dump -  This program reads in a jpeg2000 image and dumps the contents to stdout. It is part of the OpenJPEG library.

Valid input image extensions are **.j2k, .jp2, .jpt**

## SYNOPSIS

**opj\_dump -i infile.j2k**

**opj\_dump -ImgDir images/ Dump all files in images/**

**opj\_dump -h Print help message and exit**

## OPTIONS

- **-i name**

  (jpeg2000 input file name)

- **-ImgDir directory\_name**

  (directory containing jpeg2000 input files)

## AUTHORS

Copyright (c) 2010, Mathieu Malaterre

## SEE ALSO

[opj\_compress(1)](/opj_compress/1.md) [opj\_decompress(1)](/opj_decompress/1.md)