File converter
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Images
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JPG
Online JPG converter
You can convert pictures and photos to JPG images format with free online converter.
How to convert to jpg?
Step 1
Upload file
Select a file from your computer, Google Drive, Dropbox or drag and drop it on the page
Step 2
Select files «to jpg»
Select files jpg or any other format you need (more than 100 supported formats)
Step 3
Download your jpg file
Wait for your file will convert and you will able to download it immediately jpg -file
Joint Photographic Experts Group JFIF format
File extension
.jpg
File category
Description
JPG – is a popular graphic format, which is characterized by a high degree of compression, which leads to a decrease in image quality. It uses the technology of encoding of smooth color renditions, providing the ability to reduce the amount of data frequently during the recording of the image.
Because of the small size it is requested by the owners of websites, allowing you to save the traffic effectively. It is also frequently used in memory cards of digital video cameras. The JPG algorithm is optimally suitable for compressing photographs and pictures, in which realistic scenes with little contrast of colors are present. It is not recommended to use this format for compression of drawings and various kinds of graphics, since a strong contrast between a number of closely located pixels provokes the appearance of visible artifacts.
Technical details
The procedure for compressing the digital images in JPG format is carried out in several stages. First, the photo is transformed into a color space YCbCr, then it is divided into squares to determine the upper range of the color spectrum. Finally, the colors and brightness are coded.
JPEG uses a "lossy" compression system and discrete cosine transform technology. The format acts simultaneously as the standard of ISO and the International Telecommunication Union. The file compression ratio is in the range from 10:1 to 100:1. In this case, the reduction in image quality can vary from insignificant to substantial.
Programs
Microsoft Windows Photo Gallery Viewer
Adobe Photoshop
Adobe Suite
Apple Preview
Corel Paint Shop Pro
Most web browsers
Developer
The JPEG Committee
MIME type
image/jpeg
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