png2webp.sh - Free PNG to WebP Converter

A lightweight, offline browser extension for converting PNG images to WebP format. Designed with a striking console aesthetic.

A lightweight, 100% Offline browser extension for converting PNG images to WebP format. Designed with a striking terminal/console-inspired aesthetic. Features: 100% Client-Side Processing: No servers, no APIs, no external requests. Your images never leave your browser, ensuring complete privacy and security. Single & Bulk Conversion: Drop a single PNG or process multiple files in bulk. Built-in Constraints: Safely handles up to 50 files or 50 MB in total size per batch, preventing browser crashes. Limits are enforced via retro-styled terminal modals. Smart ZIP Downloads: When converting multiple files, the app automatically bundles all converted WebP images into a single .zip archive for easy downloading. Drag & Drop Support: Easily upload your PNG files by clicking the upload area or dragging and dropping files directly into the browser window. Each new upload appends to the existing queue, files already in the list are never replaced. Editable File Queue: Remove individual files from the queue before conversion using the [ X ] button next to each file. The queue is re-validated against the 50-file / 50 MB limits on every append. Live Preview & Stats: Instantly view your uploaded files, track real-time status indicators during bulk conversion, and see the exact bandwidth saved.