Humanizador de IA is a multilingual AI humanizer and text rewriting tool. Users can paste AI-generated drafts, choose a writing style, and review a more natural version with improved grammar, rhythm, and structure. The product supports Spanish, Portuguese, English, and Japanese and is useful for blog posts, product copy, SEO drafts, comparisons, and marketing text.
Who it is for
Writers, marketers and SEO teams who publish Spanish, Portuguese, English or Japanese content and need AI drafts to read more naturally.
Problem it solves
AI drafts often read flat and repetitive. Sentences come out uniform, transitions feel mechanical, and the text carries patterns that readers notice. Rewriting by hand takes time and often leaves the original structure intact.
The solution
Paste the draft, choose a writing style, and review a more natural version with improved grammar, rhythm and structure. The rewrite keeps the original meaning while making the language sound like a person wrote it.
What makes it unique
It covers four languages — Spanish, Portuguese, English and Japanese — in one place, and it is built for real publishing work such as blog posts, product copy, SEO drafts, comparisons and marketing text.
Features3 listed
Multilingual humanizing in four languages
Paste a draft in Spanish, Portuguese, English or Japanese and get a more natural version back.
Choose a writing style before you review
Pick the tone you need so the rewrite matches the piece you are working on.
Cleans up grammar, rhythm and structure
Improves grammar, sentence rhythm and structure so the text reads as if a person wrote it.
Details
Platforms
Web
Pricing
Freemium
Built for
Writers, marketers and SEO teams who publish Spanish, Portuguese, English or Japanese content and need AI drafts to read more naturally.
In IndieTools' mobile lab test on November 12, 2026, the Humanizador de IA website scored 96 out of 100 (good). Largest Contentful Paint took 1.05 s, rated good. It placed #121 overall in the finalized week 2026-W45.
Measured (UTC)
LCPLargest Contentful Paint
1.05 s
Good
TBTTotal Blocking Time
147 ms
Good
CLSCumulative Layout Shift
0.000
Good
FCPFirst Contentful Paint
1.05 s
Good
Ranked #121 overall in 2026-W45, best #121.
Humanizador de IA lab metrics
Speed metrics for Humanizador de IA, measured November 12, 2026
Metric
Result
Status
Trend
Mobile lab testMid-range phone on a throttled 4G connection, two runs averaged. Changes compare with the run on Nov 11.
Performance score
GoodDown 1 points
96 / 100
GoodDown 1 points
First Contentful PaintFCP
GoodAbout the same
1.05 s
GoodAbout the same
Largest Contentful PaintLCP
GoodAbout the same
1.05 s
GoodAbout the same
Speed IndexSI
Needs improvement203 ms slower
4.14 s
Needs improvement203 ms slower
Total Blocking TimeTBT
Good35 ms slower
147 ms
Good35 ms slower
Cumulative Layout ShiftCLS
GoodAbout the same
0.000
GoodAbout the same
Unthrottled observationsTimed on the test machine's own fast connection, so they read lower than the lab metrics above.
Page loadLoad
220 ms slower
2.60 s
220 ms slower
Server responseTTFB
231 ms slower
236 ms
231 ms slower
Humanizador de IA performance history
54 comparable mobile lab runs since September 27, 2026. Choose a metric and a range, then move along the line to read each run.
Humanizador de IA Speed ranking
Weekly Speed standing for Humanizador de IA
Weekly standingLatest finalized week 2026-W45. Bests cover the last 52 finalized weeks.
Stored lab observations from controlled test runs, not real-user Core Web Vitals or a guarantee of search rankings. Weekly standings remain attached to their finalized edition.Method psi-mobile-two-sample-mean-v1, 2 samples per reading. Lab results can vary between runs.
Model difference+7. DR4 is 7 points higher than DR3.
Measured · besthumanizadordeia.com
What do DR4, DR3 and the model difference mean?
DR4:
Ahrefs' newer model. It gives more weight to links from sites with organic search traffic and rates a subdomain on its own links.
DR3:
The previous model, shown in the Ahrefs app until 1 December 2026.
Model difference:
DR4 minus DR3 for the same domain. The models calculate differently, so this is not growth or a drop; the “since” lines compare each model with itself.