100% Free · No Signup · Privacy First

AI Writing Detector
& Humanizer

Stop worrying about AI-generated text sounding robotic. Paste any content, detect AI patterns instantly, and rewrite with one click.

Used by 12,000+ content creators worldwide

How It Works

Three simple steps to make your AI-assisted writing sound naturally human.

1

Paste Your Text

Copy any text from ChatGPT, Claude, Gemini, or other AI tools. Paste it into our detector.

2

AI Detection

Our 5-dimension analysis scans for 100+ AI writing patterns.

3

One-Click Rewrite

Click highlighted sentences. Get rewrite suggestions. Apply with one click.

为什么选择UnAI.se?

为追求真实自然内容的创作者打造

100%永久免费

无隐藏费用,无高级版,无需信用卡。检测功能完全免费,采用本地处理。

隐私优先

所有文本处理都在浏览器本地完成。我们无法查看、存储或传输您的内容。

✓ 即时结果

无需等待,无加载动画。粘贴文本,一秒内获得结果。

✓ 一键改写

点击任何高亮句子,即时获取改写建议。一键应用。

✓ 智能检测

5维度分析涵盖用词模式、句式结构、段落均匀度、过渡词密度等。

✓ 移动端友好

完美适配手机、平板和桌面设备。

What Users Say

用户评价

SX

Sarah X.

Content Creator

★★★★★

"The detection accuracy is incredible. It flagged sentences I had no idea sounded robotic. After rewriting, my blog posts sound genuinely human. Worth every penny — oh wait, it's free!"

MK

Mike K.

Freelance Writer

★★★★★

"I was skeptical at first since most 'free' tools have limits. But UnAI.se delivers — no signup, no watermarks, no catches. I use it daily for all my client work. Absolutely brilliant."

LW

Linda W.

Graduate Student

★★★★★

"Privacy was my biggest concern. With UnAI.se, everything stays in my browser — no server uploads, no tracking. I can check my drafts without worrying about my research being stored somewhere."

See the Difference

效果对比

AI Original

In today's rapidly evolving technological landscape, it is becoming increasingly apparent that artificial intelligence is playing a pivotal role in transforming various industries. Firstly,Secondly,Finally, let us consider the impact on healthcare. It can be seen that AI-powered diagnostics have revolutionized patient care.

Humanized

Technology is changing fast, and AI is now reshaping how industries work — especially healthcare. Doctors now use AI tools that help diagnose patients faster and more accurately than ever before.

Red highlights = AI patterns detected · Green = Humanized result

What AI Patterns We Detect

Our 5-dimension analysis covers over 100 AI writing markers.

Template Phrases

Firstly, Secondly, Finally, In conclusion

Hedge Words

Undoubtedly, It goes without saying

Uniform Structure

Same-length paragraphs, identical patterns

Transition Density

Excessive moreover, furthermore

Passive Overuse

It can be seen that, It should be noted

Complex Sentences

80+ character sentences, typical AI verbosity

Works for both English and Chinese AI-generated content.

常见问题

关于UnAI.se的一切

真的完全免费吗?

是的,100%免费。AI腔检测使用浏览器本地规则,零API成本。改写建议中,80%使用本地规则(零成本),只有极少数复杂情况才会使用极少量AI(几分钱)。

我的文本会上传到服务器吗?

绝对不会。所有文本处理都在浏览器本地完成。您的内容永远不会离开您的设备。

检测准确吗?

我们的5维度分析(用词模式、句式结构、段落均匀度、过渡词密度、复杂度)对ChatGPT、Claude、Gemini等典型AI生成文本检测准确率很高。

能检测哪些AI腔模式?

我们检测100+种AI写作标记,包括:模板短语("首先、其次、最后")、套话("值得注意的是")、被动语态过多、段落长度高度一致、过渡词密度异常、句子过于复杂等。

可以用于学术作业吗?

UnAI.se可以帮助AI生成的文本读起来更自然。但我们建议始终正确引用来源,遵守学校的学术诚信政策。

支持哪些平台?

UnAI.se适用于任何基于文本的内容:小红书、抖音、知乎、微信公众号、微博、邮件、论文等。

和其他AI检测器的区别是什么?

大多数AI检测器只告诉你"这是X% AI"。UnAI.se更进一步:高亮具体像AI写的句子,展示原因,并提供一键改写建议。这是完整的人性化工作流,而不仅仅是检测器。

准备好让人工智能写作变得更自然了吗?

加入成千上万使用UnAI.se的内容创作者,让AI辅助写作读起来自然真实。

永久免费 · 无需注册 · 即时生效

Trusted by Creators Worldwide

12K+

Monthly Active Users

500K+

Texts Analyzed

4.8★

User Rating