Artificial Intelligence (AI) tools can sometimes help us express our ideas more clearly. However, identifying AI-generated content is generally straightforward due to its use of complex wording and unnecessary fluff. To enhance your writing while maintaining a human touch, I tested various AI humanizers and found several that stand out in converting robotic text into more relatable content. Here’s a guide to the best AI humanizer tools that can make your writing sound more authentic.
Overview of the Best AI Humanizer Tools
Let’s take a closer look at some of the best AI humanizers on the market today, along with their key features, what they offer in free plans, and their pricing options.
| AI Humanizer Tools | Best For | Free Plan | Pricing |
|---|---|---|---|
| Clever AI Humanizer | Long research and assignments | 200,000 word limit monthly | Free |
| StealthWriter.ai | Customized and strict humanization | Free access with 1,000 word limit for 20 humanizations daily | Basic plan at $20/month (approximately €19) |
| RewriterPro.ai | Regional language humanization | Up to 5 rephrases daily | Paid plans start at $9.95/month (approximately €9) |
| Humanizer Pro | Quick simplification of text | 80 word limit for free | Basic plan from $12/month (approximately €11) |
| Writehuman.ai | Simple rephrasing and minor adjustments | 200 word limit per rephrase | Basic plan starts at $18/month (approximately €17) |
| GPTinf | SEO-friendly content humanization | 200 word limit for all features | Lite plan starts at $9.99/month (approximately €9) |
| QuillBot Humanizer | Quick humanization of short content | Language support with limited word count | Paid plan at $50.07/year (approximately €47) |
Best AI Humanizers Compared
Many of these tools offer free versions, making them perfect for students. However, some paid options provide superior quality that justifies the cost. Here’s my curated list of the top AI humanizers that can help you evade AI detection.
1. Clever AI Humanizer

Clever AI Humanizer excels at refining your writing to sound more human-like. With a generous monthly limit of 200,000 words in its free version, you can significantly enhance your content without losing its original essence. It improves grammar and readability while clearly indicating the changes made.
| Pros | Cons |
|---|---|
| Reliable AI humanization every time | Basic tool with limited text customization |
| Scores well in AI detection tests | |
| Generous free word limit | |
| Text formatting options available |
Pricing: Free
2. StealthWriter.ai
StealthWriter is a powerful humanizer that offers various configurations to suit your needs. You can freeze specific words from being changed and pick models to adjust humanization levels. This tool also generates multiple drafts, giving you options to choose from, which can help in maintaining uniqueness.

This tool’s strength lies in its ability to pass AI detection tests effectively, making your content appear more authentic. You can humanize up to 1,000 words 20 times a day, which outpaces many other tools.
| Pros | Cons |
|---|---|
| Multiple humanizations available daily | Limited language support |
| Allows adjustments to writing style | Pro features not in the free version |
| Generates various drafts for selection | Complex sentences can sometimes confuse the tool |
Pricing: Free, Basic plan at $20/month (approximately €19)
3. RewriterPro.ai
RewriterPro stands out by letting you tailor the emotional tone of the content, shifting bland AI output into something more heartfelt or optimistic. It allows for up to five rephrasings per day, which is beneficial for both students and professionals.

| Pros | Cons |
|---|---|
| Flexible tone and emotion options | Free version has limited features |
| Enjoys good reputation in humanizing AI content | |
| Supports multiple languages |
Pricing: Free, paid plan begins at $9.95/month (approximately €9)
4. Humanizer Pro

Humanizer Pro excels at making AI-generated jargon sound relatable. While the free plan limits text to 80 words, the Pro version significantly lifts those restrictions, enhancing usability for more extended texts. Most notably, it scores human-like text reliability, helping you avoid detection by AI tools.
| Pros | Cons |
|---|---|
| Intuitive and user-friendly | Text limits in free version |
| Offers a human score feature | |
| Streamlines unnecessary content |
Pricing: Free, Basic plan starts at $12/month (approximately €11)
5. Writehuman.ai

Writehuman.ai is another excellent choice, effectively converting AI-generated text into more natural-sounding prose. While it doesn’t ensure complete accuracy in passing human detection, it performs well enough to make the cut among its competitors. You can adjust the content’s tone, making it versatile across various needs.
| Pros | Cons |
|---|---|
| Produces convincingly human text | Free option has a 200-word limit |
| Tricks many AI detection systems | Advanced features require payment |
| Allows tone customization | Lacks deep text customization |
Pricing: Free, Basic plan starting at $18/month (approximately €17)
6. GPTinf

GPTinf is particularly useful for students and researchers. It allows users to freeze specific words, ensuring more precise humanization while also improving the text’s readability. The design is simple yet effective, limiting the free version to 120 words. However, for those who need more extensive features, the paid options expand capabilities.
| Pros | Cons |
|---|---|
| Flexibility in tone selection | Free version has word count limits |
| Cross-checks content across multiple detectors | Advanced features require payment |
| Improves text readability |
Pricing: Free, Lite plan starts at $9.99/month (approximately €9)
7. QuillBot Humanizer
Famous for its paraphrasing features, QuillBot also offers AI humanization capabilities. It effectively streamlines complex language into simpler phrases, supporting various dialects and even multiple languages. While it didn’t pass every AI detector in my tests, it still performed admirably in many cases.

| Pros | Cons |
|---|---|
| Supports document uploads for easy rewriting | Advanced tone options are paid |
| Offers multiple language support | Limited text customization capabilities |
| Customizable tone settings |
Pricing: Free, Paid plan available at $50.07/year (approximately €47)
These are some of the leading AI humanizer tools available today. Each has its strengths in morphing AI-generated text into something that resonates on a human level. If you have any favorite tools or suggestions to share, feel free to leave a comment!