495 Open source projects that are alternatives of or similar to zImageOptimizer

Node.js packages for converting SVG into other formats using headless Chromium

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Lossy PNG compressor for RGBA PNGs. Has two modes: lossy averaging filter (blurizer) that denoises the image and optimal posterization using Median Cut quantization to reduce number of unique colors in the image with minimal visual distortion

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Fast, Docker-ready image processing server in Go and libvips

Mac OS X: Convert any image to HEIF/HEIC format

Better image downscale with canvas.

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A multi platform image density converting tool converting single or batches of images to Android, iOS, Windows or CSS specific formats and density versions given the source scale factor or width/height in dp. It has a graphical and command line interface and supports many image types (svg, psd, 9-patch, etc.) aswell as some lossless compressors like pngcrush.

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PAPPL - Printer Application Framework

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Ruby client for the Tinify API.

Optimize images as part of your Netlify build process. Optimizes PNG, JPEG, GIF and SVG file formats.

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A handy tool to fix jpeg files downloaded from WhatsApp and prevent errors upon opening these files in Adobe Photoshop.

PNG image decoder and encoder written entirely in JavaScript

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Simple baseline JPEG decoder

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Vagrantfiles for self-contained development/test environments.

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