run sfnt2woff on browser with webassembly
firstly install emscripten : https://emscripten.org/docs/getting_started/downloads.html
execute :
git clone --recursive https://github.com/Jijun/sfnt2woff-wasm.git
cd sfnt2woff-wasm
sh ./emscripten.sh
https://jijun.github.io/sfnt2woff-wasm/index.html
the submodule sfnt2woff belong the original author.