DOCX to PNG
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| - Information about DOCX |
| Id |
| 21 |
| File extension |
| docx |
| File category |
| Document file |
| Stands for |
| Microsoft Word Open XML document |
| Developer |
| Microsoft |
| Overview |
| DOCX is an upgraded version of the DOC file format. It is a widely used and accepted format by users. The files stored in it are of smaller size due to ZIP compression. Furthermore, it is based on an open Extensible Markup Language. Due to their reduced size, it is very easy to send them in emails as attachments. They are used at homes and working environments for writing letters, resumes, invitations and other documents. This format can easily incorporate many objects in it like charts, graphs, images, tables; etc. Although in this, images can be stored using varied extensions like .JPG and .PNG, yet, the text is always saved as plain text. |
| Technical description |
| DOCX extension came into existence with the introduction of Microsoft Word 2007. They store data in an open XML format and do not follow a binary file format like DOC. Besides this, XML has three directories, named as – docProps, word and _rels. These folders or directories have the information regarding the document properties, content and relationship between distinct files. The stored files are often stocked as separate files and folders in a ZIP compression, not in a single file. It supports a high level of data management and also data recovery. It is very easy to restore the lost data or something that is accidentally deleted. It should be noted that in this encoding security is the main concern as data can be passed on easily from corporate firewalls due to open XML. |
| Links |
| wikipedia.org |
| - Information about PNG |
| Id |
| 37 |
| File extension |
| png |
| File category |
| Raster image file |
| Stands for |
| Portable Network Graphics |
| Developer |
| PNG development Group(Donated to World wide web Consortium/ W3C) |
| Overview |
| These files are commonly termed as ‘ping' and they store the raster files using lossless compression. It came into existence in order to replace the GIF file format as they both have the ability to show transparent backgrounds. Furthermore, it was an enhanced and improved version of Graphics Interchange format. It supports different types of photos. The first one is palette-based photographs that can either have palettes of 24-bit RGB or 32-bit RGBA colours. Second is grayscale images which may or may not have an alpha channel for transparency. Lastly, there is a full-colour non-palette which is based on RGB/RGBA pictures. There is one limitation of this type. It does not support animation like GIF. Besides this, it is non-patented which means there are no copyright limitations. |
| Technical description |
| The expanded features like 8- bit channel for transparency and 24- bit RGB support make PNG more popular. The files stores in this format allow the fading of colours from opaque to transparent which is not present in the preceding format. CMYK does not offer support to this extension as it was developed for transferring of files over the internet, not for professional-quality print graphics. It stores information like textual comments, integrity checks and encoded basic pixels in its extensible structure of chunks. It always starts with an 8-byte signature followed by a series of chunks. A chunk furthermore comprises of four parts- length (4 bytes), chunk type (4 bytes), chunk data (length bytes) and CRC- Cyclic redundancy checksum or code (4 bytes). |
| Links |
| wikipedia.org |
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