Widely used for quick AI text detection, but less comprehensive for enterprise plagiarism and code auditing.
Widely used for quick AI text detection, but less comprehensive for enterprise plagiarism and code auditing.
Copyleaks records 2,402,494 monthly visits with -14.1% month-over-month growth and Paid, Contact for Pricing pricing. Humanizer.Pro records 96,179 monthly visits with -34.7% growth and Freemium pricing.

Turn AI-written text into natural human writing
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | copyleaks.com | humanizer.pro |
| Pricing Model | Paid, Contact for Pricing | Freemium |
| Monthly Visits | 2.4M (2,402,494) | 96.18K (96,179) |
| MoM Traffic Delta | -394.39K (-14.1%) | -51.05K (-34.7%) |
| Primary Market & Share | 🇺🇸 United States (53.2%) | 🇺🇸 United States (24.3%) |
| Direct Visits / mo | 758.5K | 42.26K |
| User Rating | 4.4 | 3.8 |
| Supported Platforms | Website | Website |

Enterprise AI and plagiarism detection for content integrity
Identifies AI-generated text across 30+ languages and leading LLMs, with reported accuracy above 99% on internal English test sets.
Searches 60 trillion websites, 16,000+ open-access journals and internal repositories to catch paraphrasing and hidden copying.
Extends detection to AI-generated video, audio and images so teams can verify content beyond text alone.
A scalable API and workflow integrations automate content analysis inside LMS platforms, publishing tools and enterprise systems.

Turn AI-written text into natural human writing
Choose Simple, Normal, or Advanced depending on how deep you want the rewrite to go — useful for balancing speed against how thoroughly the text is reworked.
The engine is tuned to produce text that scores as human on major AI detectors, and the site lists Originality.AI, GPTZero, ZeroGPT, Copyleaks, and others as targets.
Output is designed to be grammatically clean and readable, and structured to pass plagiarism checks so the writing stands up in academic and professional settings.
Humanize AI text in Spanish, French, German, Japanese, and dozens more languages, with attention to each language's natural patterns and nuances.
Widely used for quick AI text detection, but less comprehensive for enterprise plagiarism and code auditing.
Widely used for quick AI text detection, but less comprehensive for enterprise plagiarism and code auditing.
Stronger focus on educational integrity reporting, though it lacks Copyleaks' deep enterprise compliance workflows.
Stronger focus on educational integrity reporting, though it lacks Copyleaks' deep enterprise compliance workflows.

Free browser AI humanizer that rewrites AI text to read naturally
Free browser AI humanizer that rewrites AI text to read naturally

SpecialistIncludes expert human proofreading alongside plagiarism checks, but lacks native automated AI content detection.
SpecialistIncludes expert human proofreading alongside plagiarism checks, but lacks native automated AI content detection.
SpecialistCombines AI detection with built-in text humanization, whereas Copyleaks focuses strictly on rigorous integrity verification.
SpecialistCombines AI detection with built-in text humanization, whereas Copyleaks focuses strictly on rigorous integrity verification.
Humanize AI text and check how human it reads
Humanize AI text and check how human it reads
Turn AI-generated text into natural, human-sounding writing
Turn AI-generated text into natural, human-sounding writing

Offers robust combined AI detection and plagiarism checking, but lacks Copyleaks' extensive enterprise API ecosystem.
Offers robust combined AI detection and plagiarism checking, but lacks Copyleaks' extensive enterprise API ecosystem.
Humanize AI text and check it against major AI detectors
Humanize AI text and check it against major AI detectors

Features detailed sentence-level analysis for multilingual text, but lacks Copyleaks' broad enterprise feature set.
Features detailed sentence-level analysis for multilingual text, but lacks Copyleaks' broad enterprise feature set.

Provides reliable multi-modal content scanning, but offers fewer enterprise-grade integrations than Copyleaks.
Provides reliable multi-modal content scanning, but offers fewer enterprise-grade integrations than Copyleaks.

Turn robotic AI text into natural, human-sounding writing
Turn robotic AI text into natural, human-sounding writing