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Attach & Send
Verified architecture · Reviewed 2026-11-01

Password-protected file sharing — included on every plan.

Basic security should not be a luxury add-on. Protect any transfer link with a password whether you are on Guest (Free), Plus, Pro, or Business.

  • Private links
  • ClamAV quarantine scan
  • No recipient account required

Drop files here

Up to 2 GB per transfer · Guest plan

or drag and drop anywhere in this panel
  • Resumable
  • Malware scanned
  • Password option
Who it's for

Who needs this workflow

Accountants, consultants, HR teams, and freelancers frequently send contracts, management accounts, or unreleased creative work where a forwarded email link should not automatically expose the files.

When you set a transfer password, file names and download endpoints remain locked behind a server-enforced challenge until the recipient enters the correct secret.

How it works

Step-by-step practical workflow

  1. 1

    Stage your files and enter a password

    Choose a password of at least 6 characters before creating your link.

  2. 2

    Send the password via a second channel

    For best operational security, send the link by email and share the password via SMS or Signal/Slack.

  3. 3

    Server verifies before issuing signed URLs

    The API verifies the password hash with per-transfer brute-force rate limiting before revealing file metadata or minting a 90-second download URL.

Plans

Free vs paid plan limits

PlanPrice / moMax transfer sizeDelivered downloadsMax expiryPassword links
Guest (Free)£02 GB5 GB / share3 daysIncluded
Plus£7.9910 GB50 GB / month14 daysIncluded
Pro£19.9950 GB250 GB / month30 daysIncluded
Business£59.99100 GB1 TB / month90 daysIncluded
Security & expiry caveats
  • Attach & Send encrypts data in transit (HTTPS/TLS) and scans files in private quarantine before release; it is not a client-side end-to-end encrypted data room.
  • After 8 failed password guesses on a transfer, password verification is rate-limited/locked to prevent automated guessing.
Read full security & threat model
FAQ

Frequently asked questions

Yes. Every Guest, Plus, Pro and Business transfer can include a password at no extra cost.