LockDoc

Tracking since Apr 18, 2026.

Changelog

• May 20, 2026
  description

  Simple way to secure file attachments in Gmail. The first 3 secure links are free! When you're ready, sign up for the per-link or subscription plan at https://lockdoc.co/sign-up
  
  How it works:
        📎   Click the blue "Upload" button in your Gmail compose window, and select files as normal
  
        🔗   A download link for the encrypted files is inserted into the email body
  
        📨    In order for recipients to download the files, they'll enter a passphrase. You choose how it is shared. You can copy it and share it yourself, or have LockDoc share the passphrase automatically with your recipient once your email is sent (via email or SMS)
  
  It's secure file sharing in just a few clicks. Since files are end-to-end encrypted, no one can view the files you send but your recipient, not even us!
  
  For those who want to read more technical details you can do so here https://lockdoc.co/how-it-works
  
  Things to note:
          -    No account required for recipients. They only  need a passphrase to download the files. Upon entering the passphrase, the files are automatically decrypted and downloaded 
          -    Log history of files you've sent via LockDoc link can be viewed in the dashboard (https://lockdoc.co/dashboard)
          -     Exceed Gmail file limit. There is no cap on how big the files you upload are, only the storage allotment of the plan you select
  
  Pricing
          -     Per link: $3 per LockDoc secure link + $0.50 per GB of files. No storage limit. Great option if you only need to send encrypted files once in a while
          -     Basic: $9 per month. Comes with 2GB of storage
          -     Business: $18 per month. Comes with 30GB of storage, and ability to use the client upload portal
          -     Premium: $42 per month. Comes with 100GB of storage, client upload portal

  Send secure file attachments from Gmail with end-to-end encryption.
  
  How it works:
       1. Click the blue LockDoc upload button in Gmail and select your files.
       2. Files are encrypted in your browser before upload.
       3. A secure download link is inserted into your email.
       4. Choose how to share the passphrase.
  
  AutoLink: Passphrase embedded in the secure link for simple recipient access.
  
  Copy Passphrase: Share the passphrase separately by SMS, phone, or another channel.
  
  Recipients do not need a LockDoc account. They only need the secure link and passphrase.
  
  About LockDoc:
       - End-to-end encrypted file sharing
       - Browser-side encryption before upload
       - No file size limits
       - Sent file history in your dashboard
       - Works inside your existing Gmail workflow
  
  Pricing:
  Per Email: $3 per secure email + $0.50/GB, pay only when you send
  Basic: $9/month, 2GB storage
  Business: $18/month, 30GB storage + client portal
  Business Premium: $42/month, 100GB storage + client portal
  
  Learn more: https://lockdoc.co

• May 20, 2026
  short_description

  Send & receive encrypted files in just a few clicks

  Secure file sharing for Gmail

• May 20, 2026
  category

  productivity/communication

  make_chrome_yours/privacy

• May 20, 2026
  host_permissions

  https://mail.google.com/*, https://lockdoc.co/*, https://cognito-identity.us-east-1.amazonaws.com/, https://email.us-east-1.amazonaws.com/, https://sns.us-east-1.amazonaws.com/

  https://mail.google.com/*, https://lockdoc.co/*

• May 20, 2026
  permissions

  activeTab, storage, identity, webRequest

  activeTab, storage, identity

Permissions & access

Permissions

activeTabstorageidentity

Host access

https://mail.google.com/*, https://lockdoc.co/*

Screenshots

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