PicTool is a completely free online toolbox where all tools run locally in your browser, images never leave your device, ensuring privacy and security.Supports image compression for JPG, PNG, and WebP formats, with adjustable compression quality to balance file size and image quality. Also provides format conversion, resizing, QR code generation, password generation, and a random picker tool.No registration required, no file uploads, no usage limits.All processing is based on HTML5 Canvas technology and is done entirely locally; third-party ads may use cookies.