# Copyleaks vs Humanizer.Pro

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.

| Metric | [Copyleaks](https://openaitools.app/tool/copyleaks) | [Humanizer.Pro](https://openaitools.app/tool/humanizer-pro) |
| :--- | :--- | :--- |
| Website URL | https://copyleaks.com | https://humanizer.pro |
| Categories | AI Content Detector, AI Detector, AI Writing Assistants, Large Language Models (LLMs) | Humanizer AI, AI Paraphraser, Undetectable AI, AI Content Detector |
| Pricing Model | Paid, Contact for Pricing | Freemium |
| Monthly Visits | 2,402,494 | 96,179 |
| MoM Growth Rate | -14.1% | -34.7% |
| Primary Market | United States | United States |
| Direct Visits | 758,498 | 42,256 |
| Review Score | 4.4 | 3.8 |
| Saved Count | 8 | 1 |
| Supported Platforms | Website | Website |

## Copyleaks

Copyleaks has focused on content integrity since 2015, starting with plagiarism detection and expanding into AI detection and governance as generative models spread. Its core AI Detector analyzes text across more than 30 languages and can identify output from leading models such as ChatGPT, Gemini, Claude and DeepSeek, while its Plagiarism Checker searches a database covering 60 trillion websites, 16,000+ open-access journals and millions of internal documents to catch copying, paraphrasing and character manipulation. A unified multi-modal layer adds detection for video, audio and images, aiming to replace fragmented single-purpose tools.

For organizations, Copyleaks goes beyond individual checks with a scalable API that plugs content analysis into existing workflows, LMS platforms and publishing pipelines. Its compliance and governance use cases map to academic integrity, generative AI governance, code governance, IP and copyright protection, and detection of unauthorized LLM usage. Reporting dashboards, integrations and role-based controls help teams act on results at scale.

Founded as a plagiarism tool, Copyleaks now serves both individuals and large institutions. Free web tools give students and writers quick access to the AI Detector and Plagiarism Checker, while paid enterprise plans provide higher volumes, richer reporting and dedicated support. The company reports 100+ countries, 500+ enterprise and education customers and tens of millions of monthly scans.

**Pricing & Plans:** Paid, Contact for Pricing

- **AI content detection:** Identifies AI-generated text across 30+ languages and leading LLMs, with reported accuracy above 99% on internal English test sets.
- **Plagiarism checking:** Searches 60 trillion websites, 16,000+ open-access journals and internal repositories to catch paraphrasing and hidden copying.
- **Multi-modal detection:** Extends detection to AI-generated video, audio and images so teams can verify content beyond text alone.
- **API and integrations:** A scalable API and workflow integrations automate content analysis inside LMS platforms, publishing tools and enterprise systems.
- **Governance and compliance:** Supports academic integrity, GenAI governance, code governance and IP protection programs with reporting and controls.

**Strengths:** Combines AI detection and plagiarism checking in one platform; Broad language coverage and a very large comparison database; Scalable API and workflow integrations for enterprises; Free tools available for individuals alongside paid plans

**Limitations:** Pricing is quote-based and aimed mainly at organizations; AI-detection results can produce false positives on human writing; Full feature set requires an enterprise contract

[Profile (Markdown)](https://openaitools.app/tool/copyleaks.md)

## Humanizer.Pro

Humanizer.Pro targets the growing problem of text that reads as obviously machine-written. You paste a passage, pick a mode, and the tool rewrites it — not by swapping a few synonyms, but by restructuring sentences so the output flows like a human wrote it. The site reports 1.2M+ users, 1.5M+ words processed daily, and average human scores above 98%.

The interface is built around three usage modes — Simple, Normal, and Advanced — so you can trade speed for rewriting depth. There is also a sample button and a built-in AI detection check, letting you test the tool before committing real content. The engine is trained to handle a wide range of formats, from essays and homework answers to emails, business reports, and website articles.

Beyond humanizing, Humanizer.Pro emphasizes error-free output: the site claims results are grammatically precise, readable, and structured to pass plagiarism checkers. It supports humanizing across more than 50 languages, making it useful for international students, global businesses, and multilingual creators. The free plan allows 200 words at a time, while paid tiers lift the word limit.

**Pricing & Plans:** Freemium. The free plan covers the core humanizing features with a 200-word-per-run limit and no login required for basic use. The premium plan removes the word limit and adds extra credits and features for heavier users. Specific premium pricing is listed on the site's pricing page.

- **Three rewriting modes:** 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.
- **Detector-oriented output:** 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.
- **Grammar and plagiarism care:** 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.
- **50+ language support:** Humanize AI text in Spanish, French, German, Japanese, and dozens more languages, with attention to each language's natural patterns and nuances.
- **Try-before-you-use workflow:** A sample text button and an integrated AI check let you see results on your own content before running a full document through.

**Strengths:** No login needed to try the core humanizing features on the free tier; Three modes let you control how aggressive the rewrite is; Supports humanizing in 50+ languages, useful for multilingual work; Addresses both AI detection and plagiarism checks in one workflow

**Limitations:** The free plan caps input at 200 words per run, which is limiting for long documents; Promoting detector evasion can conflict with some schools' and publishers' AI policies; Quality of the rewrite varies with the source text and the mode chosen

[Profile (Markdown)](https://openaitools.app/tool/humanizer-pro.md)

## Frequently Asked Questions

### How do Copyleaks and Humanizer.Pro compare in monthly traffic?

Copyleaks has 2,402,494 monthly visits, while Humanizer.Pro has 96,179. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Copyleaks has a month-over-month growth rate of -14.1%; Humanizer.Pro has -34.7%.

### How does pricing compare?

Copyleaks: Paid, Contact for Pricing. Paid, Contact for Pricing Humanizer.Pro: Freemium. Freemium. The free plan covers the core humanizing features with a 200-word-per-run limit and no login required for basic use. The premium plan removes the word limit and adds extra credits and features for heavier users. Specific premium pricing is listed on the site's pricing page.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [ZeroGPT](https://openaitools.app/tool/zerogpt) | 32,864,541 | +19.7% | Freemium, Paid | Widely used for quick AI text detection, but less comprehensive for enterprise plagiarism and code auditing. | [.md](https://openaitools.app/tool/zerogpt.md) |
| 2 | [GPTZero](https://openaitools.app/tool/gptzero-me) | 23,246,989 | +32.5% | Freemium, Paid | Stronger focus on educational integrity reporting, though it lacks Copyleaks' deep enterprise compliance workflows. | [.md](https://openaitools.app/tool/gptzero-me.md) |
| 3 | [HumanizeAI.pro](https://openaitools.app/tool/humanizeai-pro) | 9,652,312 | +26% | Free | Free browser AI humanizer that rewrites AI text to read naturally | [.md](https://openaitools.app/tool/humanizeai-pro.md) |
| 4 | [Scribbr](https://openaitools.app/tool/scribbr) | 7,530,803 | +14.6% | Freemium | Includes expert human proofreading alongside plagiarism checks, but lacks native automated AI content detection. | [.md](https://openaitools.app/tool/scribbr.md) |
| 5 | [Undetectable AI](https://openaitools.app/tool/undetectable-ai) | 3,113,403 | +17.5% | Freemium | Combines AI detection with built-in text humanization, whereas Copyleaks focuses strictly on rigorous integrity verification. | [.md](https://openaitools.app/tool/undetectable-ai.md) |
| 6 | [StealthWriter](https://openaitools.app/tool/stealthwriter) | 2,887,114 | +15.5% | Freemium | Humanize AI text and check how human it reads | [.md](https://openaitools.app/tool/stealthwriter.md) |
| 7 | [AI Humanize](https://openaitools.app/tool/ai-humanize) | 2,152,089 | +8.1% | Freemium, Paid | Turn AI-generated text into natural, human-sounding writing | [.md](https://openaitools.app/tool/ai-humanize.md) |
| 8 | [Originality.ai](https://openaitools.app/tool/originality) | 2,049,639 | +2.8% | Paid | Offers robust combined AI detection and plagiarism checking, but lacks Copyleaks' extensive enterprise API ecosystem. | [.md](https://openaitools.app/tool/originality.md) |
| 9 | [Phrasly](https://openaitools.app/tool/phrasly-ai) | 1,209,985 | +17.9% | Freemium, Subscription | Humanize AI text and check it against major AI detectors | [.md](https://openaitools.app/tool/phrasly-ai.md) |
| 10 | [Isgen AI Detector](https://openaitools.app/tool/isgen-ai) | 901,917 | +5.8% | Freemium | Features detailed sentence-level analysis for multilingual text, but lacks Copyleaks' broad enterprise feature set. | [.md](https://openaitools.app/tool/isgen-ai.md) |

---
Source: https://openaitools.app/compare/copyleaks-vs-humanizer-pro

More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)