Mozjpeg - Improved JPEG encoder

  •        656

MozJPEG reduces file sizes of JPEG images while retaining quality and compatibility with the vast majority of the world's deployed decoders.MozJPEG is based on libjpeg-turbo. It's compatible with libjpeg API and ABI, and can be used as a drop-in replacement for libjpeg. MozJPEG makes tradeoffs that are intended to benefit Web use cases and focuses solely on improving encoding, so it's best used as part of a Web encoding workflow.



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libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2, NEON, AltiVec) to accelerate baseline JPEG compression and decompression on x86, x86-64, ARM, and PowerPC systems. On such systems, libjpeg-turbo is generally 2-6x as fast as libjpeg, all else being equal. On other types of systems, libjpeg-turbo can still outperform libjpeg by a significant amount, by virtue of its highly-optimized Huffman coding routines. In many cases, the performance of libjpeg-turbo rivals that of proprietary high-speed JPEG codecs.libjpeg-turbo implements both the traditional libjpeg API as well as the less powerful but more straightforward TurboJPEG API. libjpeg-turbo also features colorspace extensions that allow it to compress from/decompress to 32-bit and big-endian pixel buffers (RGBX, XBGR, etc.), as well as a full-featured Java interface.

essential-image-optimization - Essential Image Optimization - an eBook

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Bring up a terminal and type node --version. Node should respond with a version at or above 0.10.x. If you require Node, go to and click on the big green Install button.

Flyimg - Microservice to resize and crop images on the fly

  •    PHP

Image resizing, cropping and compression on the fly with the impressive MozJPEG compression algorithm. One Docker container to build your own Cloudinary-like service.You pass the image URL and a set of keys with options, like size or compression. Flyimg will fetch the image, convert it, store it, cache it and serve it. The next time the request comes, it will serve the cached version.

ImageOptim - GUI image optimizer for Mac

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guetzli - Perceptual JPEG encoder

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Guetzli is a JPEG encoder that aims for excellent compression density at high visual quality. Guetzli-generated images are typically 20-30% smaller than images of equivalent quality generated by libjpeg. Guetzli generates only sequential (nonprogressive) JPEGs due to faster decompression speeds they offer.There's also a Bazel build configuration provided. If you have Bazel installed, you can also compile Guetzli by running bazel build -c opt //:guetzli.

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When compressing JPEG images, the same compression level is used on the entire image. However, most JPEG images contain homogeneous and heterogeneous areas, which are varyingly well-suited for compression. Compressing heterogeneous areas in JPEGs to reduce filesize causes compression artefacts due to the lossy nature of JPEG compression. This script adaptively alters the compression level for areas within JPEGs (per-block) to achieve optimized file size while maintaining a decent visual quality. This script achieves a significantly reduced file size compared to standard tools such as cjpeg while maintaining good visual quality, as can be measured via SSIM. This is good news for the Web Performance and thus Web Developer community to achieve a great user experience on websites.

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Scrimage is a consistent, idiomatic, and immutable scala library for manipulating and processing of images. The aim of the this library is to provide a quick and easy way to do the kinds of image operations that are most common, such as scaling, rotating, converting between formats and applying filters. It is not intended to provide functionality that might be required by a more "serious" image processing application - such as face recognition or movement tracking.

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Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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Cornerstone - JavaScript library to display interactive medical images including but not limited to DICOM

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  •    CSharp

libjpeg is a free software library written for JPEG image compression.

Concorde - Download and decode progressive JPEGs on iOS.

  •    Objective-C

This is a framework for downloading and decoding progressive JPEGs easily on iOS and OS X. It uses libjpeg-turbo as underlying JPEG implementation. We vendor version 1.4.0 of the static library from libjpeg-turbo's official release for convenience. and replace your usage of UIImageView with CCBufferedImageView to automatically use progressive JPEGs if you have been using the UIImageView category before. This will work regardless of the original format of your files due to the image transformation functionality of the delivery API.

ImageSharp - A cross-platform library for the processing of image files; written in C#

  •    CSharp

ImageSharp is a new, fully featured, fully managed, cross-platform, 2D graphics API. Without the use of System.Drawing we have been able to develop something much more flexible, easier to code against, and much, much less prone to memory leaks. Gone are system-wide process-locks; ImageSharp images are thread-safe and fully supported in web environments. Built against .Net Standard 1.1 ImageSharp can be used in device, cloud, and embedded/IoT scenarios.

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