DOCX to JPG
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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 JPG |
| Id |
| 38 |
| File extension |
| jpg |
| File category |
| Raster Image |
| Stands for |
| Joint photographic experts group |
| Developer |
| The JPEG group |
| Overview |
| Files stored in this format are small in size that is why they can be uploaded and downloaded with ease. It takes less time over the internet to upload and download due to smaller size which results in saving of bandwidth. This extension is compressed using a lossy algorithm that is why there can be a reduction in the quality of the photograph. It has the ability to compress the file to one-tenth of its original size. It is widely used in emails and also when images are to be posted on websites. Digital Cameras and other photographic image capture devices widely use this JPG format. The paintings and photos of realistic scenes that have smooth variations of colour can be best illustrated by this format. |
| Technical description |
| A technique used in JPEG format to compress files is lossy compression which is based on DCT (Discrete Cosine Transform) as it is the most practical Mathematical operation. The DCT actually converts each frame of the video from the spatial domain to a frequency/transform domain. It discards the information of high frequency that has sharp transitions in intensity as well as in colour hue. Furthermore, this standard defines a codec which tells how an image can be encoded into a stream of bytes and decoded back into an image. The files can be compressed in the ratio of 100:1 but that would result in the poor quality of an image. Therefore, to retain the quality of a photo, a file should be compressed till 20:1 ratio not more than that. |
| Links |
| wikipedia.org |
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