Powered by groupdocs.com and groupdocs.cloud.
By uploading your files or using our service you agree with our Terms of Service and Privacy Policy.
Easily convert your J2K files online with no registration required. Convert your J2K documents from Windows, Linux, or macOS. Simply drag and drop your file into the upload form, select the desired output format, and click the convert button. Once the conversion is complete, you can download your TXT file.
Depending on the J2K file's size and format, conversion may take a few moments, but most files convert quickly. With advanced features, you can convert password-protected documents and have the results sent to your email.
Convert your J2K documents anytime, anywhere, on any device—including mobile. Use this conversion app online 24/7—free for basic conversions.
Check our videoJPEG 2000 Code Stream (J2K) is a highly efficient image compression format designed for high-quality imaging, offering superior compression ratios and lossless/lossy compression options compared to traditional JPEG. It is widely used in medical imaging, digital cinema, and archival applications, with support in tools like Kakadu, OpenJPEG, and Adobe Photoshop. The format employs wavelet-based compression, supports multiple color spaces, and includes advanced features like region-of-interest coding, progressive decoding, and metadata embedding for enhanced flexibility and scalability.
A TXT (Plain Text File) is a simple and widely used file format that stores unformatted text, making it universally readable across different platforms and devices. It can be opened and edited by basic text editors like Notepad, TextEdit, and more advanced tools like Notepad++, VS Code, or even integrated development environments (IDEs). The format contains only raw text characters, without any embedded formatting, images, or metadata, though it supports basic line breaks and encoding standards like ASCII or UTF-8 for multilingual text.
You can also convert J2K into many other file formats. Please see the complete list below.