Hypervault (https://hypervault.github.io/ https://hypervault.github.io/) - a complete file encrytion web app contained in a single HTML file (so it runs totally

Hypervault (https://hypervault.github.io/ https://hypervault.github.io/) - a complete file encrytion web app contained in a single HTML file (so it runs totally client-side). It outputs a "locked vault" - the encrypted file data embedded in a copy of itself.