AI detection tools are widely used to evaluate the originality of written content. However, these systems are not always accurate and can incorrectly classify human-written or lightly edited AI content as fully AI-generated, which results in negative consequences for students and researchers.
Writing that reads likeyou.
ClearPen refines AI-assisted drafts into natural prose and shows your AI-detection score before and after — so you can see exactly what changed, and why.
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AI detection tools are widely used to evaluate the originality of written content. These systems classify human-written and AI text using statistical patterns.
Schools lean hard on AI detectors now — and the truth is, they get it wrong all the time. Even the work you wrote yourself can come back flagged.
The problem
Your real writing keeps getting flagged as AI.
Detectors aren't neutral. They punish formal style, ESL writers, and anyone whose sentences are slightly too clean. One false positive can cost you a grade, a client, or a career.
Before and after
See exactly what changed.
Same meaning. Same voice. Clearer prose — and the detection score alongside it, both times.
Schools and publishers lean on AI detectors now, and those tools get things wrong — often enough that people lose marks for work they genuinely wrote. ClearPen lets you see what a detector sees, and tightens prose that reads as flat or formulaic, without changing what you actually said.
Illustrative example. Scores come from ClearPen's own detector and vary by text — third-party detectors use different models and will return different numbers.
What's inside
Four superpowers. One tap.
See your AI score before you hit send.
Live readout from a model trained on Turnitin, GPTZero, and Originality.ai patterns. No guesswork.
Natural sentence variation, not synonym swaps.
Restructures rhythm and burstiness — the exact patterns detectors flag, fixed at the structure level.
Academic, casual, business — your call.
Pick the voice your audience expects. Tone stays consistent across paragraphs, never goes off-brand.
One tap re-voices every paragraph — Casual selected.
Your meaning. Your intent. Just clearer.
Keeps the argument, citations, and structure intact. We refine — we don't rewrite from scratch.
meaning: kept ✓
tone: kept ✓
structure: refined →
AI score: dropped 93pts
Why trust the output
Built to be checked, not taken on faith.
Most tools in this category hand back a block of text and ask you to trust it. ClearPen shows you the score, the changes, and the reasoning — so the judgement stays yours.
Check it yourself
You never have to take our word for it.
The detector is built into the editor. Run your text before and after and read both scores yourself — on the free plan, without an account upgrade.
Nothing hidden
Every change is shown to you.
ClearPen marks what it altered and why, sentence by sentence. If a rewrite drifts from what you meant, you will see it and can reject it.
Your meaning stays
Arguments, citations and structure intact.
The pipeline refines phrasing and rhythm. It does not invent sources, restate your conclusions, or quietly change what you claimed.
AI detectors produce false positives, and the people who pay for them are usually the ones who did the work — non-native English writers most of all. We built ClearPen so a writer can see what a detector sees before someone else does.
Why us
Most humanizers are a black box.
They hand back text and tell you nothing. ClearPen shows the score, the edits, and the reasoning.
Pricing
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Cancel anytime. Annual saves 30%.
All plans include the humanizer, detector, and every tone preset. Full comparison →
Real questions
You're probably wondering…
See your score in 30 seconds.
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