LockDoc
Send encrypted files through GMail and Outlook
LockDoc launched on May 5, 2025 with 8 votes, #2,977 of 7,905 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Share large files securely and password protect PDFs for free. Easy, fast, and encrypted file sharing with top-tier security for all your documents.
Send end-to-end encrypted files from Gmail/Outlook and receive client files securely. No account needed for recipients.
As easy as sending a regular attachment. Use LockDoc right within Outlook and Gmail. Receive files from clients without them needing an account. Your clients can send you files through your portal, as easy as uploading a file like normal. Files are automatically encrypted, and no client account is required. You'll be notified via email when files are added. Choose Pay Per Send for pay-as-you-go secure emails, or select a monthly plan for included storage. Client portal for secure financial document uploads. Protect outgoing client data with encrypted email attachments. HIPAA-compliant portal for patient record uploads. Share medical research securely via encrypted email attachments. Secure…from lockdoc.co
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Send/Share Files by CouchdropOct 2025 · couchdrop.io · ▲135Send encrypted file links instead of email attachments
SendSecurely.io2023 · sendsecurely.io · ▲89Permissioned and auditable secure file and document sharing
Send Files Encrypted2023 · sendfilesencrypted.com · ▲68Send encrypted files in your browser and share them securely
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