How to compress png/jpg files without losing quality :
It is obvious that people use to spend more time on websites which load faster. To improve the webpage load time, you need to look at so many things including a number of loading resources, HTTP requests, page cache, number of JS (JavaScript)/CSS files, media files etc. There are so many tools available to measure the performance of a webpage. Some of the important ones are Google PageSpeed, Pingdom Tool, Yahoo YSlow. Media files like images are one of the most important parts of a webpage and adds the beauty to it, but at the same time, images are the most bulky resources which load on a page. If one can cut the size of images by 25 – 30%, it will improve the page load time by a significant amount. Adobe Photoshop is having a nice feature to save the optimized version of images especially for web, but you need to spend big amount for purchasing Photoshop desktop application or the web version. In this article, I have listed few awesome and free online/offline tools as well as WordPress Plugins to reduce image (JPEG, JPG, PNG) size by up to 90% without much effort.
Compressing Tools :
1.TinyPNG : Online tool that Optimizes your images with a perfect balance in quality and file size.
2.ImageAlpha : Mac tool that can reduce PNG files using pngquant, pngnq and posterization. You can often reduce the size by 40-60% without noticeable loss in quality.
3.pngquant :
pngquant is a command-line utility and a library for lossy compression of PNG images.The conversion reduces file sizes significantly (often as much as 70%) and preserves full alpha transparency.4.CompressPNG : allows to reduce the palette size to any value between 2 and 256 colors lossless These tools don't lose any quality, they only re-compress images and remove invisible metadata.This tool converts 20 images together.
5.ImageOptim : It is a mac based image compressor.
6.PNGGauntlet : This is a windows based image compressor.
7.Trimage : This is a Linux based image compressor.
8.PngCrush : Pngcrush is an optimizer for PNG (Portable Network Graphics) files. It can be run from a command line in an MSDOS window, or from a UNIX or Linux command line.
Was This Helpful???
