Convert.Guru

J2K Converter

Convert J2K files online for free


Drop or upload your .J2K file

How to convert your J2K file

  1. Click Select File above, and choose your J2K file.
  2. You'll see a preview.
  3. Click the "Convert file to..." button to save your file in the format you want.


Convert J2K to another file type

The converter easily converts your J2K file to various formats—free and online. No Photoshop or extra software needed.

  • J2K to JPG
  • J2K to PDF
  • J2K to PNG
  • J2K to GIF
  • J2K to BMP
  • J2K to TIFF
  • J2K to TIF
  • J2K to WEBP
  • J2K to ICO
  • J2K to CUR
  • J2K to PSD
  • J2K to PSB

Convert a file to J2K

The converter also works in reverse, allowing you to convert your file into the J2K file type—in the best quality.

  • RAW to J2K
  • PNG to J2K
  • AI to J2K
  • NEF to J2K
  • PSB to J2K
  • DNG to J2K
  • SVG to J2K
  • GIF to J2K
  • EPS to J2K
  • JPG to J2K
  • ARW to J2K
  • PDF to J2K

About J2K files

J2K is a file type that is used to store digital images. It is based on the JPEG 2000 standard, and is a more advanced version of the JPEG image format. J2K files are lossy, meaning that some of the image data is lost when the file is compressed. This makes them more suitable for web use, as they take up less space than other image formats. However, this also means that J2K files are not suitable for use in applications that require high-fidelity images.

J2K files can be converted to other image formats using software such as IrfanView, XnView, and Adobe Photoshop. It is important to consider the quality of the output when converting J2K files, as the lossy compression can lead to some image degradation. Additionally, some software may not be able to open J2K files, as the format is not as widely supported as other image formats.

Due to the potential drawbacks of using J2K files, it may be beneficial to use a free and easy online website such as Convert.Guru to convert J2K files to other formats. Convert.Guru supports a wide range of file formats, including JPEG, PNG, BMP, and TIFF, and is easy to use.


The J2K Converter Story

The history of Convert.Guru began more than 25 years ago in California, when Tom Simondi published the most comprehensive database of file formats on his website. Before that, Tom had worked on Space Shuttle development at the Air Force Systems Command’s Space Division in Los Angeles. He is known as one of the top programmers of the late 1980s.

When Microsoft integrated Tom’s Filext database into Windows XP, it became the leading platform for analyzing and processing file types and formats.

Today, we use the latest technologies to analyze, process, and convert one of the world's largest collections of file formats. We are committed to developing the best J2K converter by continuously improving quality, usability, and reliability.

Drop here