Encrypt a file online
Password-protect ZIPs, PDFs, and documents before email — FileShot encryptor wraps files with AES so only recipients with the password can open them.
Open File EncryptorShare encrypted bundles with zero-knowledge FileShot links for double protection.
Industry-standard symmetric encryption for files at rest in transit bundles.
Encrypt spreadsheets, source code zips, medical exports, and more.
Encrypt before Gmail — password via separate channel (SMS/Signal).
When to encrypt files before sending
Email is not confidential. File Encryptor produces password-protected output — share password out-of-band.
Frequently Asked Questions
Lost password?
Encrypted files cannot be recovered without password — store secrets in a manager.
vs FileShot ZKE upload?
ZKE sharing encrypts in browser for FileShot links; encryptor makes portable encrypted files for any channel.
Legal hold?
Keep unencrypted copies internally if regulations require retention.
Frequently asked questions
Free file encryption?
Yes within tool quota.
Algorithm details?
AES-based encryption via FileShot encrypt tool — see security page for architecture.
Encrypt folder?
ZIP folder first with archive builder then encrypt the ZIP.