Fastest pure-JavaScript ZIP library (8 kB) • no WASM • runs 100% in browser.
This demo uses fflate@0.8.2 • March 2026 edition.
Drop files here or click to browse
Any file type – all packed into a single .zip (DEFLATE)
Drop a .zip here or click to browse
fflate.unzipSync – full support for DEFLATE + Unicode