PiPic — Free online image compressor

Image compression for modern web formats arrives without configuration or complexity. This free online service handles JPG, PNG, WebP, and AVIF files, processing up to 100 images per batch with each file capped at 8 MB. Files compress the moment they land, with no settings to adjust and no account required. The web interface accepts drag-and-drop uploads and returns a single zip containing the entire compressed batch. Each file maintains its original format and dimensions while reducing file size through compression tuned for near-invisible quality loss. A before-and-after comparison shows original size, new size, and exact savings for every file. Users can download individual files or retrieve all 100 in one click. Beyond the browser, a command-line interface published as @pipic/cli on npm enables scripted workflows. A single command compresses entire folders in place or writes output to a separate directory. The CLI requires one-time authentication, after which scripts, continuous integration pipelines, and AI agents can run compression tasks unattended. The tool sends only the image itself over the wire, with no telemetry about the user, repository, or machine. The complete source code is public on GitHub for independent audit. The service targets "people who care how images look and how fast pages load." Privacy measures are explicit: files exist on servers only during active compression, then immediate deletion follows. No copies persist, no data sharing occurs, and no material feeds training datasets. The free tier includes 100 images monthly with no sign-up. A Pro tier raises the monthly limit to 5,000 images. The free tier supports unlimited batches—users requiring more than 100 images at once simply run successive batches at no cost. Compression defaults prioritize visual fidelity, preserving original dimensions while reducing file weight. The service positions itself as infrastructure that integrates into existing workflows, whether through browser uploads, command-line automation, or agent-driven optimization.