Shorten any URL, set a password, and add expiration or one-time access.
OpenPassword-locked and encrypted
LOCK.PUB — Share the link. Keep the secret.
Share documents, notes, and conversations through password-protected links. Send them to the people who need them, with a password required to open the content.
No credit card neededFree plan forever
01 — 03
Choose your content, set a password, and send the link.
Password-Protected Links
Open the link, enter the password, then visit the destination.
lock.pub/demo
Project proposal
Project proposalexample.com/proposal
The destination is revealed after unlocking.
Try the recipient experience for yourself.
A password before opening
Separate the shared address from access to its content.
Protection, explained clearly
See how each tool encrypts content and what it protects.
Start with the free plan
Core features are free. Advanced settings depend on your plan.
Built for private sharing
Send, talk, and collect files
Choose a tool for the task: delivering a document, having a conversation, or requesting files from someone else.
Create private spaces for conversation and collaboration. Chat messages and board strokes are encrypted in your browser before storage.
OpenCreate one secure link to collect memos, files, images, audio, and instructions. Add a submit password when needed; only the creator can open submissions.
OpenA public @username hub for locked links, memos, and files you control.
OpenProtect and send
Shorten any URL, set a password, and add expiration or one-time access.
lock.pub/demo
Project proposal
Project proposalexample.com/proposal
The destination is revealed after unlocking.
How it works
Three steps to sharing
Paste what you want to share
A URL, memo, file, image, or a whole room — anything LOCK.PUB supports.
Set a password and limits
Set a password. Advanced controls, such as expiration and access limits, depend on the tool and plan.
Share it anywhere
Send the short link through any channel. Only people with the password get in.
Features
Choose the right tool
Links, memos, chat rooms, polls, images, whiteboards, audio, Ask boards, location sharing, files, and secure requests. Share and collect sensitive content securely with passwords and encryption.
Protect and send
Shorten any URL, set a password, and add expiration or one-time access.
Password-Protected Links
Add a password to any URL so only authorized people can access it. Even if the link is exposed, it cannot be opened without the password.
Secret Memos
Create password-protected memos to securely share text-based information. Only people with the password can view the content.
Encrypted Images
Share images securely with password protection. Photos are encrypted on the server and only accessible with the correct password.
Encrypted Audio
Record voice messages or upload audio files and share them securely with password protection.
Encrypted File Sharing
Share files securely with password protection. All files are encrypted on the server and cannot be accessed without the password.
Work together privately
Create private spaces for conversation and collaboration. Chat messages and board strokes are encrypted in your browser before storage.
Encrypted Chat
Create anonymous chat rooms. Messages are encrypted in your browser with the room password before they are stored.
Anonymous Polls
Create password-protected polls for private voting. Collect opinions securely with anonymous responses.
Collaborative Whiteboard
Create password-protected drawing boards for real-time collaboration. Strokes are encrypted in your browser before they are stored.
Encrypted Location Sharing
Share your GPS location with password protection. Coordinates are encrypted in your browser before they are stored.
Receive securely
Create one secure link to collect memos, files, images, audio, and instructions. Add a submit password when needed; only the creator can open submissions.
Anonymous Ask
Create a password-protected anonymous question board. Anyone can ask questions, only the owner can answer, and everything is stored encrypted.
Secure Request Links
Create one secure link to collect memos, files, images, audio, and instructions. Add a submit password when needed; only the creator can open submissions.
Bring it together
A public @username hub for locked links, memos, and files you control.
LOCK.PUB Link Hub
A public @username hub for locked links, memos, and files you control.
Security
Know exactly what is protected.
Chat, board and location data is encrypted in your browser before storage. Other protected content is encrypted on our servers. The exact access rules depend on the tool.
SecurityFrequently asked questions
- You set a password when creating a link or room. Recipients need that password to open it. We never store the password in plain text.
- Yes. The free plan covers core protected links forever. Pro unlocks advanced limits, Link Hub extras, and billing features.
- Link Hub is a public page that brings your links and content together. Each protected item keeps its own password and access settings.
- Chat, board and location data is encrypted in your browser before storage. Other protected content is encrypted on our servers. The exact access rules depend on the tool.
- Yes. Manage billing from Settings. You keep Pro until the end of the period you already paid for.
Popular guides
Learn how to share secrets, passwords, and files securely.
Start locking links in seconds
No credit card. Sign in, create a protected link, and share it when you are ready.