100% Private & Auto Deleted

Send Files Securely with OTP

Share files online with password protection. One-time download, auto-delete, no public links.

No signup required Files never stored permanently

What is SendLock?

SendLock is a free secure file sharing tool that lets you send files using a one-time password (OTP). Unlike traditional file sharing platforms, your files are protected with a unique code, expire automatically, and can only be downloaded once.

Why Choose SendLock?

OTP Protected File Sharing

Every file generates a unique 6-digit code. No code, no access.

One-Time Download Links

Once the file is downloaded by the receiver, the link is destroyed forever.

Auto Delete After Download

Files are wiped from our servers immediately after download or expiry.

10-Minute Expiry System

Unclaimed files are automatically purged after 10 minutes for maximum privacy.

No Public Access

No shareable URLs. Private, direct, and un-guessable transfers only.

No Login Required

Start sharing instantly without creating an account or paying fees.

How to Send Files Securely

  • 1

    Upload your file and generate a secure OTP

  • 2

    Share the generated OTP directly with your receiver

  • 3

    Receiver enters the OTP to access the file

  • 4

    File is deleted automatically after download

Why Use OTP File Sharing?

Traditional file sharing links can be forwarded, leaked, or accessed by anyone who discovers them. OTP file transfer solves this.

  • Prevents unauthorized access
  • Safer than public links
  • Ideal for sensitive files
  • Temporary storage = guaranteed privacy

SendLock vs Traditional File Sharing

FeatureSendLockGoogle Drive / WeTransfer
OTP Protection
Auto Delete
One-Time Access
No Login Required

Frequently Asked Questions

Is SendLock free to use?

Yes, SendLock is completely free to use. There are no hidden fees or subscriptions required.

How secure is OTP file sharing?

Extremely secure. Your file is protected by a unique One-Time Password (OTP). It cannot be accessed by anyone who doesn't have the code.

Do files get stored permanently?

No. Files are automatically and permanently deleted from our servers immediately after they are downloaded once, or if they expire after 10 minutes.

What is OTP file transfer?

OTP file transfer is a method where a sender uploads a file and receives a One-Time Password. The receiver must enter this exact password to download the file, ensuring secure and private sharing.

Can I send large files?

Yes, SendLock supports secure file sharing for files up to 50MB per transfer, making it perfect for documents, images, and short videos.

Do I need to create an account?

No login or account is required. SendLock allows you to send and receive files instantly without any registration.

Need more tools?