A writer's journal, fountain pen, coffee cup, and dried flowers on cream linen in warm morning light

Write like a human.
Even when AI helped.

Check a draft for the phrases that read like a machine, then fix the ones that matter. The check is free with no daily limit and no signup. The detector highlights sentence-level patterns associated with AI writing.

Check a draft — free, no limit Or humanize one →

Free to try · No signup · UK-registered company

Start Here

Pick the workflow that matches why you came.

Show intent first, keep free value obvious, and find the paid path when volume grows.

Students

Check grammar, understand a detector score, get clearer wording.

For essays and assignments: write it yourself, edit with the tools, and disclose AI help where your course requires it.

Grammar Checker
AI Detector
AI Rewriter

See student flow →

Creators

Draft faster, rewrite cleaner, publish with confidence.

Check a draft, then edit the wording for clarity and tone before you publish.

AI Detector
AI Humanizer
AI Rewriter

Browse tool library →

Teams

Start free, then upgrade when the workflow becomes daily.

The free tier keeps the product useful from day one. Paid plans add more throughput, better modes, and cleaner writing workflows when usage becomes serious.

Starter / Pro
Stripe billing
Browser-first start

Review plans →

Flagship Tool

AI Humanizer
Natural-Sounding Writing

Transform AI-generated text into natural, human-sounding content that reads better in academic, professional, and everyday contexts. Choose from 9 writing modes to match your context.

9 modes — Standard, Academic, Blog, Formal, Simple + 4 premium
Varies sentence length and trims stock connectors so the draft reads more naturally
Preserves meaning — changes how it sounds, not what it says

Try Humanizer See pricing →

codaone.ai/ai-humanizer

AI Input Artificial intelligence has fundamentally transformed the landscape of modern technology. Moreover, the integration of machine learning algorithms plays a crucial role...

Humanized AI has really changed how we think about tech these days. Machine learning, in particular, has become one of those things that quietly makes everything work better behind the scenes...

Example Standard mode. The rewrite changes sentence structure and word choice, not what the passage says — an illustrative sample, not a measured result.

codaone.ai/ai-detector

AI has really changed how we think about tech these days. Machine learning, in particular, has become one of those things that quietly makes everything work better...

Example report

Detection is evidence, not proof.

The detector reports the AI patterns it finds, sentence by sentence. A low score means no machine-like pattern stood out — never that a human wrote it.

Browser-First Start

AI Detector
Know Before You Ship

Check any text for AI patterns in a browser-first workflow. Open the detector in the web app, run a first pass, then keep revising inside the same tool family.