Humanize AI writing. Keep formatting intact.
Preserve the original meaning and document appearance while making the writing more human.
Sign in to upload documents, follow progress, and download polished results.
1,000 words costs 100 credits — you are only charged for the words actually rewritten
Job files are kept for 7 days and then removed; the job record stays.
Meaning preserved, formatting intact
Keep structure, terminology, citations, layout, and styles in an editable document.
Target precisely, polish on demand
Select source passages manually or import an existing Turnitin AI report to locate exactly what needs work.
Two strengths, your control
Choose balanced or stronger rewriting to match the document.
Any length, delivered fast
Polish multiple passages in parallel with no page-count limit; most jobs are ready in minutes.
Frequently asked questions
Which files does NLH-AI support?
NLH-AI supports DOCX and PPTX. The result comes back in the same editable format.
Will polishing change the meaning or document formatting?
NLH-AI aims to preserve meaning, structure, terminology, citations, layout, and styles while rewriting only the necessary language. Review complex documents after download.
Can I humanize only selected passages?
Yes. Add passages directly, or import an existing Turnitin AI Writing Report PDF. A paragraph is the smallest unit the engine rewrites: if your selection covers only part of one, it is expanded to the full paragraph and shown that way for you to confirm. Everything else is left untouched.
How are credits calculated?
1,000 words costs 100 credits, and only the words actually rewritten are billed: a whole-document job counts the document, while a selected-passages job counts just those passages. A paragraph is the smallest unit a rewrite can touch, so a selection is expanded to full paragraphs before it is counted. You see an estimate before starting; credits are reserved when the job starts and charged only after it succeeds.
What if some passages are still flagged after rewriting?
On the result page, click Free re-humanize to import a detection report (Turnitin / iThenticate supported) and run a free second pass on just the still-flagged passages - Balanced usually works fine.
How can I get a Turnitin detection report?
We work with a professional detection provider who can supply an official Turnitin AI report. Reach their support through either QR code below.
Tap a code to enlarge
How long does a document take?
Most jobs are ready within a few minutes. NLH-AI polishes multiple passages in parallel without a page-count limit; timing still varies with the document, selected scope, and queue activity.
How do I reach you if something goes wrong?
Email 316855609@qq.com and we will respond as soon as we can. Please include the job ID, shown on every job in your history, so we can trace it.