# Simply Humanize — AI Humanizer > Simply Humanize is a free online AI humanizer that rewrites AI-generated text from > ChatGPT, Claude, Gemini, and other models into natural, human-sounding writing in > seconds. It removes machine-writing patterns (uniform sentence length, repetitive > transitions, stiff vocabulary, filler) while preserving meaning and SEO keywords. > No sign-up or credit card required to try it. Key facts: - Free tier with a generous per-request word limit; paid plans add higher limits, batch processing, more styles, and priority speed. - Selectable writing styles: casual, professional, friendly, confident, academic. - Side-by-side original vs. humanized output; re-run for fresh variations. - Includes grammar/clarity cleanup and readability tuning (targets grade 7–9). - Best results in English; partial support for major languages (Spanish, French, German, Portuguese). - Pasted text is processed to generate output and is not used to train public models. ## Main pages - [Home / AI Humanizer tool](https://simplyhumanize.com/): Paste AI text and get natural, human-sounding writing in one click. Includes how-it-works, features, and FAQ. - [Use cases](https://simplyhumanize.com/use-cases): Overview of who uses the humanizer and how. - [About](https://simplyhumanize.com/about): What the tool does and how it works. - [Contact](https://simplyhumanize.com/contact): Get in touch. ## Free tools - [AI Content Detector](https://simplyhumanize.com/tools/ai-content-detector): Free browser-based detector that scores text for six AI writing patterns (sentence uniformity, clichés, hedging, passive voice, repeated openers) with a transparent per-signal breakdown. Nothing is uploaded. - [All free tools](https://simplyhumanize.com/tools): Directory of Simply Humanize's free AI writing tools. ## Humanize by AI model - [Humanize ChatGPT text](https://simplyhumanize.com/humanize-chatgpt-text): Rewrite ChatGPT/GPT-4/GPT-4o output into natural writing; removes ChatGPT's signature patterns. - [Humanize Claude text](https://simplyhumanize.com/humanize-claude-text): Rewrite Anthropic Claude output (Claude 3, 3.5 Sonnet) into natural, expert-sounding writing. - [Humanize Gemini text](https://simplyhumanize.com/humanize-gemini-text): Rewrite Google Gemini output (1.5, 2.0) into natural prose, removing the structured AI sound. ## Languages - [Humanizador de Texto IA (Spanish)](https://simplyhumanize.com/es): Spanish landing page with the free humanizer embedded; explains the AI-writing tells typical of Spanish text. - [Humaniser un Texte IA (French)](https://simplyhumanize.com/fr): French landing page with the free humanizer embedded; explains the AI-writing tells typical of French text. - [KI-Text menschlich machen (German)](https://simplyhumanize.com/de): German landing page with the free humanizer embedded; explains the AI-writing tells typical of German text (incl. Nominalstil). - [Humanizar Texto de IA (Portuguese)](https://simplyhumanize.com/pt): Portuguese landing page with the free humanizer embedded; explains the AI-writing tells typical of Portuguese text. ## Humanize by use case - [For students](https://simplyhumanize.com/ai-humanizer-for/students): Humanize AI-assisted essays, assignments, and research drafts (follow your school's AI policy). - [For bloggers](https://simplyhumanize.com/ai-humanizer-for/bloggers): Keep your voice at scale and publish faster. - [For SEO writers](https://simplyhumanize.com/ai-humanizer-for/seo-writers): People-first content that keeps keywords and improves engagement signals. - [For essays](https://simplyhumanize.com/ai-humanizer-for/essays): Make an AI essay draft sound like you while preserving the argument. - [For content writers](https://simplyhumanize.com/ai-humanizer-for/content-writers): Write more, edit less; humanize client drafts in seconds. - [For marketers](https://simplyhumanize.com/ai-humanizer-for/marketers): Email, landing page, and ad copy that converts. - [For agencies](https://simplyhumanize.com/ai-humanizer-for/agencies): Scale across multiple client brand voices without editing bottlenecks. - [For businesses](https://simplyhumanize.com/ai-humanizer-for/businesses): Professional proposals, reports, and emails that sound human. ## Blog - [Blog index](https://simplyhumanize.com/blog): Guides on AI writing patterns, AI detectors, and humanizing AI-assisted drafts — grouped by topic. - [Words ChatGPT Overuses: The Complete List](https://simplyhumanize.com/blog/words-chatgpt-overuses): Categorized list of AI-typical vocabulary and phrases, why models overuse them, and how to edit them out. - [Why Does ChatGPT Use So Many Em Dashes?](https://simplyhumanize.com/blog/chatgpt-em-dashes): The mechanics behind the em-dash tell and how to fix AI-typical dash density. - [Does Turnitin Detect ChatGPT?](https://simplyhumanize.com/blog/does-turnitin-detect-chatgpt): How Turnitin's AI detection works, its accuracy record, and what students should do. - [AI Detector False Positives](https://simplyhumanize.com/blog/ai-detector-false-positives): Why human writing gets flagged as AI, who gets flagged most, and what to do about it. - [How to Humanize AI Text: The Complete Guide](https://simplyhumanize.com/blog/how-to-humanize-ai-text): Manual editing checklist, prompting techniques, and automated humanizing compared. - [How to Make ChatGPT Sound More Human](https://simplyhumanize.com/blog/make-chatgpt-sound-more-human): Copy-paste prompts that reduce robotic output, and why prompting alone plateaus. - [AI Humanizer vs Paraphrasing Tool](https://simplyhumanize.com/blog/ai-humanizer-vs-paraphrasing-tool): What each tool actually does and why paraphrased AI text still reads as AI. - [Why We Don't Promise a "100% Human Score"](https://simplyhumanize.com/blog/why-we-dont-promise-100-human-score): Our position on the market's standard guarantee and why it's unfalsifiable. - [Is Using ChatGPT Cheating?](https://simplyhumanize.com/blog/is-using-chatgpt-cheating): A straight answer for students — the spectrum of AI use and where schools draw lines. - [How to Use AI for Homework Without Breaking the Rules](https://simplyhumanize.com/blog/how-to-use-ai-for-homework): Green/yellow/red zones of AI use, disclosure templates, and a safe workflow. - [Does Google Penalize AI Content?](https://simplyhumanize.com/blog/does-google-penalize-ai-content): What Google's policies actually say and a checklist for publishing AI-assisted content safely. - [llms.txt: What It Is and Whether You Need One](https://simplyhumanize.com/blog/what-is-llms-txt): The proposed standard explained, honest adoption status, and how we built this file. - [The Most Common AI Words and Phrases](https://simplyhumanize.com/blog/most-common-ai-words): The exact pattern lists our detector checks, with signal weights explained. - [AI Cover Letters: Do Recruiters Notice?](https://simplyhumanize.com/blog/ai-cover-letters-do-recruiters-notice): The six tells of AI cover letters and the two-paragraph fix. - [How to Make an AI-Written Resume Sound Like You](https://simplyhumanize.com/blog/make-ai-resume-sound-like-you): Bullet-level fixes, ATS vs AI detection explained, keeping keywords while losing robot voice. - [What Makes Writing Sound Human?](https://simplyhumanize.com/blog/what-makes-writing-sound-human): Five craft fundamentals — specificity, stance, rhythm, surprise, imperfection. - [The Case for Short Sentences](https://simplyhumanize.com/blog/the-case-for-short-sentences): Why short sentences are the strongest human signal and how to use them. ## Legal - [Privacy Policy](https://simplyhumanize.com/privacy-policy): How content and data are handled. - [Terms of Service](https://simplyhumanize.com/terms): Terms for using the tool. ## Optional - [Sitemap](https://simplyhumanize.com/sitemap.xml): Full list of indexed URLs.