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Pingo 1.25.1 by Cedric Louvrier is an experimental command-line image optimizer engineered to shrink PNG, JPEG, WebP and APNG files for faster web delivery without—if desired—any visual loss. Operating entirely in the background, the single-file executable applies multi-threaded, codec-specific algorithms that recompress palettes, strip metadata, reduce bit-depth and re-predict scanlines, often cutting file sizes by 5–25 % losslessly and up to 60 % in lossy mode while preserving perceived quality. Web developers, designers and CI pipelines invoke it through simple batch scripts or build tools to automate bulk optimization of sprites, thumbnails, banners and user uploads, ensuring pages pass Core Web Vitals and consume less bandwidth. Because the tool is portable and dependency-free, it can be embedded in local workflows, Docker containers or GitHub Actions, producing repeatable results across Windows, macOS and Linux. Although still labeled experimental, version 1.25.1 is the first and therefore current public release, offering stable syntax and consistent output for production use. The program is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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