Founding Member Access
Get a Year Free
SendLock normally comes with a 7-day trial. As one of our first 500 users, you get a full year. No credit card. No catch.

All I ask in return is that you use it, and tell me what you think.

— Rustin, Founder
A personal message from Rustin
Email Rustin to Claim Your Free Year
Only 500 spots. I'll personally get you set up.
Free year includes SendLock. SendLock AI requires separate opt-in when available.
Mistakes How It Works Security Pricing
Add to Gmail
Stop Mistakes Before It's Too Late

One Email Can Cost You Everything

Now you're in control. Again.

Protect My Emails — Free for 7 Days
One click install  ·  No credit card required.
See SendLock in action
The Risk

The Risk Is Real

You already know the feeling. You just don't know the cost.

93%
of professionals admit to making email mistakes at work
Not occasionally. Regularly. The inbox is where credibility gets damaged one rushed reply at a time.
Grammarly & The Harris Poll
1 in 3
businesses lost a customer because of a misdirected email
One email. Wrong recipient. Relationship gone. It happens every day in offices exactly like yours.
Project.co, 2026
$2M
lost from a single misdirected email. She also lost her job.
Reported by Inc. The kind of mistake any of us could make on a busy Tuesday. Before SendLock.
Inc. Magazine
Protect My Emails — Free for 7 Days
How It Works
Three seconds to set up.
A Lifetime of Protection.
You get a buffer. Mistakes don't.
1
Install
One click from the Chrome store. Works instantly in Gmail. No setup. No training.
2
Send
Everything works exactly as it always has. Compose. Hit send. Done.
3
Breathe
SendLock holds every email. Stop it, fix it, or let it go. You decide.
Security

Your Data.
Your Rules.

SendLock protects your reputation without ever touching your data.

  • We never read your emails.
  • We never store your emails.
  • Your messages never leave Gmail.
  • We simply and safely delay the send.
SendLock
SendLock AI Coming Soon
CASA Security Certified
Passed Google's Computed Attack Surface Analysis on the first attempt with zero vulnerabilities and one of the highest possible scores.
Zero Data Stored
We never store email bodies, attachments, threads, or contacts. Only your delay preference and a count of how many times SendLock saved you.
Built for teams that use
Gmail on Chrome

Works instantly. No IT required. No training. Just install and send with confidence.

Gmail on Chrome
Pricing

Simple, Transparent Pricing

SendLock
$199
per year
For professionals who send important emails every day and can not afford to get it wrong.
  • Full SendLock protection
  • 60-second email buffer
  • Stop, fix, or cancel any send
  • Works instantly in Gmail
  • CASA certified — zero data stored
Get SendLock
Billed annually · Cancel anytime
Most Popular
SendLock — Team
$2,500
per year · up to 25 users · $100/person
For organizations where one bad email can cost a customer, a deal, or a reputation.
  • Everything in Individual
  • Up to 25 team members
  • Instant team-wide protection
  • Single standard across your org
  • Priority support
Get Team Access
Need a PO or invoice? billing@sendlock.com
The SendLock Guarantee
SendLock will give you at least one "I'm glad I caught that" moment this year, or we'll refund every dollar. No questions asked.
Email has a 25-year problem.
Once you hit send, it's over.
SendLock just fixed that.
Install in one click. No credit card. No training. Just protection.
Protect My Emails — Free for 7 Days