Protecting 1,500+ businesses

Bots are filling your forms
with fake data.
You can't tell the difference. We can.

SpamKill analyzes behavior, not content. Bots fill forms differently than humans — we block them at 99.9% accuracy. And the rare real person we're unsure about always has a path through, so nothing is silently lost. No CAPTCHAs. No friction.

0+
Businesses Protected
99.9%
Accuracy Rate
5 min
Average Setup
100M+
Submissions Filtered
Find your solution

What's your biggest spam problem?

Different businesses feel bot attacks differently. Pick the one that sounds like your morning, and we'll show you exactly how to fix it.

Not sure which fits? Each card links to a page built for your exact situation.

Managing forms for clients? There's a partner program that pays you →

How it works

One form. Two realities.

SpamKill creates two versions of every form. Humans see a clean experience. Bots see an incomprehensible maze. No CAPTCHAs. No friction.

What Your Visitors See
Name
Jane Smith
Email
Message
I'd like to learn more about your services...
Submit — Clean lead delivered ✓
What Bots See
sk_x9K_trap_A7q TRAP
sk_6Lin8xq5ZhRd9E
email HONEYPOT
sk_MSMvop3jEH7Iu
credit_card HONEYPOT
bot_detect_R3m TRAP
⛔ Blocked — Bot signature detected
Why SpamKill

You tried CAPTCHAs. Then invisible scores.
The bots kept coming.

Checkbox CAPTCHAs punish real visitors while solver farms pass them for pennies. The invisible generation — reCAPTCHA v3, Turnstile, edge bot protection — dropped the puzzles but kept the failure mode: they decide before a submission exists, so a mistake means a lead that was never captured and no record it was ever there. SpamKill decides after capture, at the form level. Worst case with us is a review. Worst case with a gate is a lead you'll never know you lost.

vs reCAPTCHA → vs Cloudflare → vs hCaptcha →
Gate-based tools
SpamKill
Blocked lead recovery
✗ Lost forever
✓ Held & reviewable
What real users see
✗ Puzzles, checkboxes, or silent scoring
✓ Nothing — invisible
Misjudged real person
✗ Turned away, no path through
✓ One-step verification, continues
Record of what was blocked
✗ None
✓ Every submission
Conversion impact
✗ Every visible challenge costs completions
✓ Zero — nothing to solve
Setup time
✗ 30+ minutes
✓ 5 minutes
Proof

Trusted across industries and company sizes

Small Business
"
I had a web form giving me upwards of 20 spam submissions a day. I followed the instructions and immediately my spam went completely to zero. Probably the most no-brainer, easiest solution for spam I've ever seen.
A
Anthony Casera
True Productions Media Services, Chicago
Business Owner
"
Very simple and effective tool that eradicates all bot signups and spam signups. Acts as a really good perimeter defence. Since installing SpamKill, we haven't had a single bad contact added. Very cost effective — does exactly what it says on the tin.
A
Adrian Savage
EmailSmart
Agency Partner
"
SpamKill has been how we "got in the door" and converted several prospects into clients. We install it free for a month — if we stop the spam, they switch to us. 100% success rate. Truly one of the best tools we have for getting new clients.
E
Evan Samurin
Fundamental Marketing
Three steps

Setup in 5 minutes. Protection forever.

Works with any form, any platform, any tech stack. No backend changes required.

01
Add SpamKill
WordPress plugin, HTML transformer, or our built-in form builder. Takes minutes regardless of your platform.
02
Forms transform
SpamKill creates two realities — a clean form for humans, an obfuscated maze for bots. Invisible to your visitors.
03
Clean leads flow
Real submissions reach your CRM. Suspicious ones are held, not deleted — flagged visitors verify in one step, and you can review the rest. No real lead silently lost.
Prove it to yourself

Paste your form. Watch it transform.

The Form Transformer runs your actual HTML through the same API that protects forms in production — and hands back the protected version. No signup, no card, nothing to install.

Open the Form Transformer →

Two realities, generated from your own markup.

Why us

Built by automation engineers who moved to security.

We know how bots evade detection because we've spent years inside the automation ecosystem — understanding the tools, techniques, and patterns from the engineering level, not from a security textbook. That depth of expertise is our competitive edge — and the foundation of patent-pending form transformation technology nobody else has.

SpamKill doesn't bolt security onto your forms as an afterthought. We transform them at the DNA level — randomizing fields, injecting intelligent honeypots, analyzing behavioral signals — all invisibly.

Our Story → The Technology →
🔍
100M+
Submissions analyzed
And counting
🎯
99.9%
Detection accuracy
Near-zero false positives
📜
Patent-pending
Form transformation
Two realities, one form
4.9
on G2 · Capterra · Trustpilot
Verified customer reviews

Ready to see only real leads?

Whether you're a small business owner or running million-dollar funnels, the first step is the same — find out what's real and what's not.

Find Your Solution See How It Works
Free trial for small business · 30-day pilot for teams · Strategy call for enterprise