Reversible domain-transfer cipher. Pick a cipher, drop in a file, get the other version back — same format in, same format out (.md, .csv, .html, .json, .txt, .docx). Numbers and equations are never altered.
🔒 Runs entirely in your browser — your file is never uploaded. Nothing leaves this device.
ENCRYPTSource → Cover
Upload a source document; download the disguised version.