The only AI humanizer that protects your keywords.

Most humanizers destroy your keywords in the rewrite. Whether you're an SEO agency, a blogger, or just someone who knows exactly what words need to stay — HumanizerPro lets you lock them, then rewrites everything else.

50M+Words Processed
99.9%Success Rate
Live Demonstration

The Content Architect in Action

[ STREAM_01: RAD-X alpha ]
ID: 8829-PX-012
BANDWIDTH OPTIMIZED

Built to protect your keywords, not destroy them.

Lock what you've earned. Rewrite what sounds robotic.

KP

Keyword Protection

Mark the exact keywords and phrases you've ranked for. They don't move. The engine rewrites everything around them — nothing inside them.

SR

Surgical Rewriting

Most humanizers rewrite the whole thing and kill your SEO in the process. HumanizerPro only touches the robotic phrasing — your keyword placement stays exactly where it is.

HO

Human-Looking Output

The result reads naturally and passes detection — with every protected keyword exactly where you put it. No surprises.

Protect first. Rewrite second.

BUILT FOR SEO WRITERS, CONTENT TEAMS, AND AGENCIES WHO CAN'T AFFORD KEYWORD LOSS

01

Shield

Select the keywords, anchor phrases, and sentences that must stay untouched. Shield them before a single word changes.

02

Scan

The engine maps your protected zones, isolates the robotic phrasing, and marks what needs work — without crossing into your shielded terms.

03

Refine

Humanize only what sounds robotic. Export clean, natural copy — every protected keyword exactly where you left it.

Other humanizers destroy your keywords. We protect them.

FeatureGeneric HumanizersHumanizerPro
Keyword IntegrityOverwrites or removes your SEO terms without warningLocks every keyword you mark — they don't move
Rewrite ScopeRewrites the entire text, whether it needs it or notTargets only the robotic phrasing, leaves the rest intact
ControlBlack box — you get what it gives youYou decide what stays, what changes, and what gets exported
Output FormatPlain text dumpFull editor workflow plus JSON export for API use
Developer Hub

Scale the workflow for agency teams.

Use the API when your team needs the same controlled humanization workflow across large batches of AI-assisted content. Preserve key language, reduce manual cleanup, and keep outputs more consistent.

API access for agency and bulk workflows
Keyword and phrase protection in every request
Built for repeatable high-volume content cleanup
humanize_request.py
import human_sdk

client = human_sdk.Client(api_key="sk_live_...")

response = client.process(
text="Initial AI content here...",
shield_terms=["topical authority", "keyword clusters"],
mode="natural"
)

print(response.human_score) # 97%

Transparent Pricing

Start solo, then scale into agency workflows.

For Solo Writers

Starter

$9
/ month
10,000 words included monthly
  • 10,000 humanized words / month
  • 10 protected shields per run
  • 1 shield profile
  • 15 terms per profile
  • 1 user seat
  • Full editor access
  • Keyword shielding
  • Email support
Popular
For Consistent Creators

Pro

$20
/ month
30,000 words included monthly
  • 30,000 humanized words / month
  • 30 protected shields per run
  • 3 shield profiles
  • 50 terms per profile
  • 1 user seat
  • Full editor access
  • Priority queue
  • Email support
For Small Teams & Agencies

Enterprise

$40
/ month
75,000 words included monthly
  • 75,000 humanized words / month
  • 100 protected shields per run
  • 10 shield profiles
  • 150 terms per profile
  • 3 user seats
  • Full editor access
  • Priority processing
  • Priority support

Questions people ask before trying it

Will my keywords actually be safe during the rewrite?

Yes — and that's the whole point. You mark the keywords, phrases, and sentences that must stay untouched before the tool runs. The engine only rewrites the editable parts. Your protected terms don't move. Period.

How is this different from a common paraphraser?

Most paraphrasers rewrite the whole draft and give you no control over what changes. HumanizerPro is built around a different idea: protect what matters first, then refine only what sounds robotic. Your keywords stay. The robotic phrasing goes.

Will Google penalize me for using this?

Google cares about useful, high-quality content. HumanizerPro is meant to help you improve readability and clean up robotic phrasing, but it is still your job to make sure the final content is accurate, helpful, and worth publishing.

Your keywords are too valuable to lose in a rewrite.

Start Protecting Your Keywords