Make e keep the input language by itself
Certentis dey detect the main input language and rewrite the text for that same language – no need to manually choose target language.
Humanizer
Make AI text sound natural again with Humanizer
Certentis Humanizer dey improve existing AI drafts and your own text in the language e detect automatically. Sentence structure, rhythm and word choice go sound more natural – you fit compare the new version directly with the original.
For everyday life, work, editing and study – with special focus on academic terms and quotations. E no be translation, and AI Detector no get guaranteed result.
Try am live
Humanizer
Try this Certentis tool once without account and get real result.
Protected ProcessingWe protect against abuse with necessary device cookie and pseudonymised network signal. Your text no go enter advert or analytics.
Original
Your original text
Humanized
Natural and academic
Your new version dey ready
Put at least 100 characters. Your result go show for here straight after.
03For text wey get serious demands
To write naturally no mean say you go simplify everything
The Humanizer dey loosen stiff patterns without replacing technical terms with vague everyday language. For scientific, legal, medical, or financial statements, your final check still dey very important.
Original
The analysis show say the method wey you choose dey bring important connections to light, so e make more detailed assessment possible.
- Keep academic terms inside their context
- Protect direct quotes and source references well-well
- No add new facts when you dey rewrite
04The version wey we improve
Compare original and result directly
The evaluation bring important connections to light. This one make am easier to assess the method wey you choose in more detail.
05Na three steps
From draft reach controlled rewrite
- 01
Paste the text
Paste one draft wey you don already get. Certentis go detect the language and analyze the starting text.
- 02
Rewrite am naturally
The Humanizer go change sentence structure and wording, while e try keep the main points and protected parts.
- 03
Compare both versions
Check the differences, analysis results, and sensitive details before you use the rewrite. Na you still get the final responsibility to check the content.
06Make am sound natural
Humanize AI text without losing the main content
Good Humanizer go make existing wording flow better and sound more natural, but e go still follow the original content, terms, and sources.
Protect sensitive content where e matter
Technical terms, names, numbers, and quotes dey treated as parts wey need special protection.
Check changes so you fit follow dem
The original and result dey available side by side. That way, you fit check the small differences, important details, and intended meaning before you use am.
07Fair comparison
Seven Humanizers. The same source texts.
This table reports a dated internal comparison, not a universal ranking. The combination of quality, semantic fidelity, and formal safety matters more than one detector score.
Updated July 28, 2026. Ten cases per provider; RewriteAI produced nine usable outputs.
Overall quality across all seven providers
A horizontal detail view on an explicitly truncated 40-to-100 point scale. Exact values and every additional metric remain available in the table below.
85.4
Quality · Certentis
Quality scale 40–100 · truncated axis
405060708090100
| Provider | Cases | Quality | Semantics | Exact citations | Correct language | Word ratio | Human + Mixed |
|---|---|---|---|---|---|---|---|
| Certentis | 10 | 85.4 | 91.7 | 8/10 | 10/10 | 0.98 | 92.96% |
| WriteHuman Academic | 10 | 82.4 | 85.4 | 4/10 | 10/10 | 1.01 | 50.3% |
| StealthGPT Heavy PhD | 10 | 70.0 | 72.8 | 6/10 | 10/10 | 0.82 | 68.75% |
| RewriteAI | 9 | 69.67 | 73.0 | 4/9 | 9/9 | 1.08 | 78.41% |
| Humbot Advanced | 10 | 65.8 | 71.5 | 0/10 | 10/10 | 1.10 | 66.89% |
| Rephrasy v3 | 10 | 52.2 | 49.8 | 0/10 | 10/10 | 1.08 | 82.98% |
| HumanizerPro Advanced | 10 | 42.7 | 62.0 | 2/10 | 6/10 | 1.03 | 93.31% |
Highest overall quality in this run
Certentis scored 85.4, ahead of the six compared configurations on this dataset.
Detector scores are not enough
One provider reached 93.31% Human + Mixed but scored 42.7 for overall quality and preserved the language in only 6 of 10 cases.
Citations remain the hard discipline
No provider achieved 10 of 10 exact citation sets. Certentis led this run with 8 of 10.
Updated July 28, 2026. Ten cases per provider; RewriteAI produced nine usable outputs. · 2026-07-28
08 · Open evidence
Read di numbers. Understand di method. Know di limits.
Certentis separate results, test process and product comparison so e go clear wetin dem measure and wetin di test no fit prove.
09Wetin people dey use am for
Three situations wey people fit use this tool
Humanize academic drafts
Rewrite complete sections with an AI Humanizer, but e no go replace research, source checking, or your professional responsibility.
Reports and documentation
Make monotone sentence patterns flow better, while you still keep names, numbers, responsibilities, and key points for eye.
Blog and web content
Make existing posts flow better with an AI Humanizer, while na you still dey control the message, facts, and tone.
10Clear plans
One credit. Three tools. Full control.
Choose subscription for regular work or permanent credit for single projects. Humanizer, AI analysis and plagiarism reports dey together for one workspace.
- 01Shared Credits
- For Humanizer, AI analysis and plagiarism reports. You go see clearly how each tool dey use am.
- 02Subscription or one-time
- E match how you dey work.
- 03Plagiarism by word
- Each word wey dem check dey cost one Credit.
You go see the final total and tax details before you buy for the Stripe checkout.
11Humanizer
Questions people dey ask often
Other tools we get