Free AI humanizer that rewrites AI-generated text into natural, human-sounding writing
Datasets for RAG, fine-tuning and training built from public sources
Stage
Not given
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Founded
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Based in
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Pricing model
Freemium
Paid
Pricing
Free tier: unlimited inputs up to 500 words each with no signup required. Pro adds Ultra mode, 2,000-word inputs, and per-sentence rephrasing.
Web Corpus: starter sets from $49 (250,000-500,000 documents); shelf corpora from $99-$199 per shelf (one-time license); Everything (full crawl) $3,000 one-time; Whole Library (all builds for one year) $5,000 per year. Reference Collections: Encyclopedia $1,200 commercial or $349 research (one-time)
Key features
Advanced AI Detection Bypass - rewrites AI-generated text until it reads like a human wrote it
Rephrase Individual Sentences - rewrite a single line instantly without touching the rest of text
Unlimited Humanizing - humanize as many times as needed with no overall hard cap, up to 500 words per run free
Multilingual Support - humanize AI text in 38 languages with Ultra mode and 17 with Standard
Save Your History - free account saves humanized sessions for future reference
PDF and Doc Upload - upload PDF or Word document directly instead of copying and pasting text
No Credit Card Required - start humanizing immediately without adding a payment method
Per-sentence rephrasing included with Basic and Pro plans
Web corpus with 100.7M documents and 105B tokens from Common Crawl
Documents scored with Bear Rank and shelved by subject
15 million encyclopedia entries with sources and model attribution
200 million synthetic Q&A records with metadata
Delivered as JSONL and Parquet formats
Free samples available on Hugging Face
Command-line client with resumable downloads and SHA-256 verification
Statistics collection with 7,000 topics and 140,000 figures
Glossaries for 10,000 topics with one million definitions
Book Q&A dataset with 8,000 titles for reading comprehension
What makes it different
No signup or credit card required - start humanizing immediately with no account needed
Unlimited free usage with no total word cap - most competitors stop at approximately 1,000 total words
Monthly published AI detector test results showing 97% pass rates on GPTZero and Turnitin
Per-sentence rephrasing feature not found in typical humanizers
Privacy-first approach - content never sold, shared, or used to train models
All datasets built only from public sources with full provenance tracking
Every record includes source attribution and licensing information
Eight curated subject shelves for targeted corpus selection
Flexible purchasing: buy individual shelves, slices, or entire library
Over 4 TB of clean, deduplicated text ready for machine learning