step1、install ndk-pkg

step2、update ndk-pkg-formula-repository

ndk-pkg update

step3、build and install base64

ndk-pkg install base64

ndk-pkg formula view base64

{{ formula }}

if the formula of base64 dosn't meet your needs, you can edit it ⤵︎

ndk-pkg formula edit base64

after editing, you may want to rebuild this package ⤵︎

ndk-pkg install base64