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Zamzar is an online file converter and compressor, created by brothers Mike and Chris Whyley in England in 2006. [ 1 ] [ 2 ] It allows users to convert files online, without downloading a software tool, and supports over 1,200 different conversion types. [ 3 ]
Like any resampling operation, changing image size and bit depth are lossy in all cases of downsampling, such as 30-bit to 24-bit or 24-bit to 8-bit palette-based images.. While increasing bit depth is usually lossless, increasing image size can introduce aliasing or other undesired artifa
Guetzli supports only the top of JPEG's quality range (quantizer settings 84–100) [7] [8] and supports only sequential (non-"progressive") encoding. Guetzli is more effective with bigger files. [8] Google says it is a demonstration of the potential of psychovisual optimizations, intended to motivate further research into future JPEG encoders. [2]
The JPEG filename extension is JPG or JPEG. Nearly every digital camera can save images in the JPEG format, which supports eight-bit grayscale images and 24-bit color images (eight bits each for red, green, and blue). JPEG applies lossy compression to images, which can result in a significant reduction of the file size.
A powerful winter storm is bringing snow squalls and biting winds to millions across the Northeast on Thursday.. Footage by Nathan Voytovick shows strong winds, blowing snow and poor visibility at ...
The number of Americans filing new applications for unemployment benefits fell again last week, but many laid-off workers are experiencing long bouts of joblessness, keeping the door open to ...
In the Faroe Islands, wild, unpredictable weather — fierce winds and rain, and thick fog that settles like a curtain — can sometimes make travel by car or ferry problematic.
Existing JPEG files can be compressed a bit more, with no additional loss in quality, using jpegtran -optimize. This results in a smaller file, but the compression is slower. Jpegtran is part of libjpeg. A package called littleutils contains a script called opt-jpg that automates JPEG optimization, using jpegtran as the underlying engine.