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[7] Users can type in a URL or upload one or more files (if they are all of the same format) from their computer; Zamzar will then convert the file(s) to another user-specified format, such as an Adobe PDF file to a Microsoft Word document. [8] Once conversion is complete, users can immediately download the file from their web browser. [9]
Data in a RAW-file is structured according to the Bayer filter's pattern in cameras that use a single image sensor. Debayering, the process of obtaining bitmap data from a RAW-image is always a lossy operation. [citation needed] In addition, some downsampling is always performed, again reducing image information.
Normally, the image is processed by a raw converter, in a wide-gamut internal color space where precise adjustments can be made before conversion to a viewable file format such as JPEG or PNG for storage, printing, or further manipulation. There are dozens of raw formats in use by different manufacturers of digital image capture equipment.
B1 Free Archiver supports opening most popular archive formats (such as B1, ZIP, RAR, 7z, GZIP, TAR.GZ, TAR.BZ2 and ISO) but can create only .b1 and .zip archives. [6] The utility can also create split archives which consist of several parts each of specified size [7] and password-protected archives, encrypted with 256 bit AES algorithm. [8]
In addition to pure container formats, which specify only the wrapper but not the coding, a number of file formats specify both a storage layer and the coding, as part of modular design and forward compatibility. Examples include the JPEG File Interchange Format (JFIF), for containing JPEG data, and Portable Network Graphics (PNG) formats.
The maximum size of an uploaded file is 100 megabytes. The following file types may be uploaded: png, gif, jpg/jpeg, xcf, pdf, mid, ogg/ogv/oga, svg, djvu and webm. note: pdf and djvu are intended primarily for projects like Wikisource. A screencast that walks through how to upload files to Wikimedia Commons and add them to Wikipedia articles.
The MP4 file format was generalized into the ISO base media file format (ISO/IEC 14496-12:2004 or ISO/IEC 15444-12:2004), which defines a general structure for time-based media files. It is used as the basis for other file formats in the family such as MP4, 3GP, and Motion JPEG 2000). [8]
This is a listing of open-source codecs—that is, open-source software implementations of audio or video coding formats, audio codecs and video codecs respectively. Many of the codecs listed implement media formats that are restricted by patents and are hence not open formats.