Stealthwriter
StealthWriter is a web-based AI text humanizer and detector that rewrites AI-generated content to read naturally human, with sentence-level analysis and a built-in detector to verify results.
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Quick Overview
Best for: Copywriting
What it does
Copywriting software for decision-makers comparing workflow fit and alternatives.
Best fit
Copywriting
Pricing snapshot
Free from $0/mo
Next step
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StealthWriter is an online tool that humanizes AI-generated text and detects AI-written sentences. It provides an AI Humanizer that rewrites content to read naturally with selectable rewrite intensities (light, medium, aggressive), and an AI Detector that highlights sentences flagged as AI-generated. The product is aimed at anyone who uses AI for writing — including students, bloggers, marketers, copywriters, researchers, and professionals — and emphasizes fast processing, sentence-level feedback, and privacy (text is not stored after processing).
StealthWriter is a web-based AI text humanizer and detector that rewrites AI-generated content to read naturally human, with sentence-level analysis and a built-in detector to verify results.
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AI Humanizer
Rewrites AI-generated text into natural, human-sounding prose with selectable rewrite levels: light, medium, or aggressive.
AI Detector
Scans text to show how likely it is to be flagged as AI-generated, including sentence-by-sentence highlights.
Deep Scan
Performs sentence-level analysis with color-coded highlights showing exactly which sentences are flagged.
Alternative Rewrites
Provides multiple alternative rewrites per sentence so users can click to choose alternatives and fine-tune voice.
Fast Processing
Built for speed to return humanized text in seconds, designed for quick turnaround at scale.
Built-in Verification
Includes a detector to verify results before and after humanizing so users can see the score change.
Privacy Controls
The site states submitted text is not stored, shared, or used for training after processing completes.
Pricing
Free plan: $0/month, 10 humanizations/day, 10 AI scans/day, 1,000 words per input; no credit card required.
Free
$0/mo- 10 humanizations/day
- 10 AI scans/day
- 1,000 words per input
Starter
$20/mo (or $200/year)- 50 humanizations/day
- 50 AI scans/day
- 5,000 words per input
Plus
$50/mo (or $500/year)- 150 humanizations/day
- 150 AI scans/day
- 5,000 words per input
Pro
$100/mo (or $1,000/year)- 350 humanizations/day
- 350 AI scans/day
- 5,000 words per input
Scale
$400/mo (or $4,000/year)- 2,000 humanizations/day
- 5,000 words per input
Use Cases
Humanize AI-generated content for publishing
Rewrite drafts from models like ChatGPT, Claude, or Gemini so they read naturally for blog posts, articles, and marketing copy.
Pre-publish verification
Scan text before and after humanizing to verify it no longer appears AI-generated using the built-in detector.
Sentence-level editing and voice tuning
Use alternative rewrites and sentence-level highlights to fine-tune tone, rhythm, and flow to match the user's voice.
Academic and professional writing workflows
Support students, researchers, and professionals who want AI-assisted drafts rewritten into original, publication-ready prose.
Integrations
No verified integration details are available.
Benefits
Limitations
Frequently Asked Questions
What is StealthWriter?
Who is StealthWriter for?
Does it actually work? Will my text be humanized?
Will my humanized text be flagged as plagiarism?
Is my text stored or shared with anyone?
What if AI detectors get updated — will StealthWriter still work?
How is StealthWriter different from other AI humanizers?
Is there a free plan?
What plans are available?
Getting Started
- 1 Sign up for a free account (no credit card required) or sign in if you already have an account.
- 2 Paste or upload your AI-generated text into the input area (supports up to plan-specific word limits).
- 3 Choose a rewrite level (light, medium, aggressive) and run the humanizer; optionally scan before and after with the detector.
- 4 Click sentence-level alternatives to fine-tune the output, then copy or export your humanized text.
Support
Support via email at [email protected].
phone
Phone support: +1 (307) 998-3768, Monday–Friday, 9:00 AM–5:00 PM Mountain Time.
docs
FAQ and changelog available on the site for self-service help.
API
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