A J2K file is an image that is compressed using the wavelet compression instead of DCT compression.
Files with POTM extension are Microsoft PowerPoint template files with support for Macros. POTM files are created with PowerPoint 2007 or above and contains default settings that can be used to create further presentation files. These settings can include styles, backgrounds, colour palette, fonts and defaults along with macros that consist of custom functions for doing particular task. They may also be opened by a previous version of PowerPoint with Open XML document support installed. POTM files can be opened in Microsoft PowerPoint for editing like any other PowerPoint file.
يمكنك أيضا تحويل J2K إلى العديد من تنسيقات الملفات الأخرى. يرجى الاطلاع على القائمة الكاملة أدناه.