ImgCompress
Private image compression for Docker
ImgCompress is a self-hosted, open-source Docker application for compressing, converting, resizing, and removing backgrounds from images without uploading files to a cloud service. It runs locally in a container with no telemetry or internet dependency after the initial image pull, keeping image processing on the user's own hardware.
The tool supports 70+ image formats, including HEIC, PSD, AVIF, and PDF, with batch compression using multi-core parallel processing, quality and output format controls, and ZIP downloads for bulk results. It includes a bundled local AI model for background removal, smart PDF creation with automatic A4 pagination, and both a web UI and a CLI within the same image. It is air-gap ready for private networks, NAS drives, and homelabs.
ImgCompress is aimed at self-hosters and users who need local, private image processing for varied formats. It is packaged as a free, open-source Docker image available via Docker run or Docker Compose, with no subscription, license checks, or usage limits mentioned.
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