When it comes to optimizing jpeg images for faster web page loading speed, there are two compression algorithm – lossy and lossless. Before we dive into that, which is better, Online Jpeg Compression with WordPress Plugin or Desktop Software for optimizing jpeg images? Personally, I prefer downloading ( backing up ) the entire jpeg library, compress it on my desktop and re-upload it. The reason why I dislike WordPress Plugin is it uses unnecessary resources, downloading for compressing also doubles up as a backup. Lossless vs lossy.
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- Lossless compression retains values and manages to lower file size.
- Lossy compression reduces file size by eliminating redundant information.
My favorite Mass and Batch Jpeg Compressor is JPEGmini, it has an impressive algorithms where you can reduce the file size of your photos by up to 5x, while keeping their original quality and JPEG format. I bought the license for JpegMini and all the jpegs in this site are compressed with JpegMini software.
↓ 01 – RIOT [ Contain Adware ] | Windows | Lossy
Radical Image Optimization Tool (RIOT for short) is a free image optimizer that will let you to visually adjust compression parameters while keeping minimum filesize. It uses with a side by side (dual view) or single view interface to compare the original with the optimized image in real time and instantly see the resulting file size.
It is lightweight, fast and simple to use, yet powerful for advanced users. You will be able to control compression, number of colors, metadata settings and much more, and select image format (JPG, GIF or PNG) for your output file. RIOT can be integrated as plug-in in well known programs like The GIMP, IrfanView and XnView.
↓ 02 – FILEminimizer | Windows | Lossless
FILEminimizer Pictures is a software to reduce the size of your images, photos and pictures by up to 98% through our native file optimization technology. After compression, your photos and images are still in your image format and are still beautiful – but a lot smaller in size!
FILEminimizer Pictures compresses JPEG photos, TIFF, BMP and PNG images and pictures by up to 98%. Optimized photos, images and pictures remain in their original format – no need to unzip. Send and share your best photos and pictures easier via email and over the internet.
↓ 03 – ImageOptim | macOS | Lossy
Removes bloated metadata. Saves disk space & bandwidth by compressing images without losing quality. Downloaded by over half a million people! (15,000 new users a month). ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It’s useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization). ImageOptim removes EXIF metadata, such as GPS position and camera’s serial number, so that you can publish images without exposing private information (but there’s an option to keep the metadata if you need it).
- Faster web pages and apps – Reduces image file sizes — so they take up less disk space and download faster — by applying advanced compression that preserves quality.
- Image files scrubbed clean – Removes invisible junk: private EXIF metadata from digital cameras, embedded thumbnails, comments, and unnecessary color profiles.
↓ 04 – Photo Size Optimizer | macOS | Lossless & Lossy
Also known as Lossless Photo Squeezer, Photo Size Optimizer for Mac, a powerful photo re-sizer and optimizer for Mac OS X, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original resolution, quality and png, jpg, gif formats. With Photo Size Optimizer for Mac, you can save huge space and share full-resolution photos with your friends much faster. It supports 70 types of image formats for re-sizing:
JPG, BMP, PNG, GIF, PDF, PSD, PNT, RGB, ARW, BMPF, CUR, CRW, CR2, DCR, DNG, EPSF, EPSI, EPI, EPS, EXR, EFX, ERF, FPX, FPIX, FAX, FFF, GIFF, G3, HDR, ICNS, ICO, JP2, JFX, JFAX, JPE, JFIF, JPF, MPO, MAC, MRW, MOS, NRW, NEF, ORF, PICT, PIC, PCT, PS, PNTG, PNGF, PEF, QTIF, QTI, RAW, RAF, RW2, RWL, SR2, SRF, SRW, SGI, TRIC, TIFF, TGA, TARGA, TIF, XBM, 3FR, 8BPS
↓ 05 – Shrink O’Matic | Plugin | Lossless & Lossy
Shrink O’Matic is an AIR application to easily (batch) resize (shrink) images. It handles JPGs, GIFs and PNGs. Simply drag and drop images and they’ll be resized as you wish! Options allow you to choose the output sizes, rotation (supports EXIF data), names and location, formats and watermarks.