Best Grammarly Alternatives for Humanizing Text
30 AI tools that can replace Grammarly for humanizing AI text, ranked by how closely they match. The percentage is a match score, not a popularity score.
Replacing: Grammarly — Writing confidence that follows you everywhereInput: text · Output: text
1
Undetectable AI bundles an AI text detector, an AI humanizer and an AI image detector into one account.
Input: text, images, documents · Output: text, data
Free trialFrom $5/moAPIBrowser extensionTeams
85%Strong alternative
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Also tagged for
Fake Image Detection
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
2
StealthGPT is an AI humanizer and writing assistant that rewrites generated text so it reads naturally and avoids detector flags.
Input: text · Output: text
APIBrowser extensionTeams
82%Strong alternative
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
3
UndetectedGPT is an AI humanizer that rewrites machine-drafted text into natural writing aimed at passing detectors such as GPTZero, Turnitin and Originality.
Input: text, documents · Output: text
Free planFrom $19.99/moAPI
78%Strong alternative
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 3 of the 6 we tag Grammarly for
AI DetectionRewritingHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
4
Humanizer AI is an editing room for AI-assisted drafts.
Input: text, documents · Output: text
From $10/moAPI
74%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
5
A content marketer drafts 15 blog posts using AI, then realizes every piece sounds robotic and formulaic
Input: text · Output: text
Free planFrom $7.99/mo
74%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 3 of the 6 we tag Grammarly for
AI DetectionPlagiarism CheckingHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
6
A content marketer at a SaaS company drafts blog posts using AI writing tools, then faces a problem
Input: text · Output: text
Free plan
72%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
7
You paste AI-generated text into the input box and pick between Standard or Ultra mode
Input: text, documents · Output: text
Free plan
70%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 1 of the 6 we tag Grammarly for
Humanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
8
AI Humanizer by WriteHybrid rewrites AI-generated drafts into natural, human-sounding text while preserving your meaning.
Input: text · Output: text
Free planFrom $19/mo
68%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
9
AI-generated content often sounds like a robot wrote it
Input: text · Output: text
Free planFrom $8/mo
66%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
10
Transforms machine-written text into something that reads like a human wrote it
Input: text · Output: text
Free planFrom $9.99/mo
64%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
11
Humaniser processes AI-generated text through pattern analysis and linguistic transformation to make it appear human-written
Input: text · Output: text
Free planFrom $5/moTeams
62%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
12
Students face AI detection flags
Input: text · Output: text
Free trialFrom $9.99/mo
60%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
13
The promise sounds too good: turn any AI text into writing that passes for human
Input: text · Output: text
Free plan
60%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 6 we tag Grammarly for
RewritingHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
14
Rephrase until it sounds right
Rewriting-first tool that also summarizes and checks plagiarism; free tier
Input: text, images, documents · Output: text, images, documents, slides
Free planFrom $19.95/mo
59%Limited overlap
00
How the score adds up
- Offers Humanizing Text as a secondary capability42/70
- Shares Grammarly's other goals9/10
- Feature description similarity13/20
Capped below the editor-ranked picks above it.
Shared goals 6 of the 6 we tag Grammarly for
Grammar CheckingAI DetectionPlagiarism CheckingRewritingWritingHumanizing Text
Also tagged for
Summarizing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
15
ACE ESSAY converts AI-written text into something that reads more human
Input: text · Output: text
Free plan
59%Limited overlap
00
How the score adds up
- Built for Humanizing Text (its core category)70/70
- Shares Grammarly's other goals2/10
- Feature description similarity3/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 6 we tag Grammarly for
Humanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
16
Takes AI-written text and rewrites it to pass human detection tests
Input: text, images, audio, video · Output: text
Free trialFrom $3.99/mo
59%Limited overlap
00
How the score adds up
- Built for Humanizing Text (its core category)70/70
- Shares Grammarly's other goals2/10
- Feature description similarity8/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 6 we tag Grammarly for
Humanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
17
59%Limited overlap
00
How the score adds up
- Offers Humanizing Text as a secondary capability42/70
- Shares Grammarly's other goals9/10
- Feature description similarity9/20
Capped below the editor-ranked picks above it.
Shared goals 6 of the 6 we tag Grammarly for
Grammar CheckingAI DetectionPlagiarism CheckingRewritingWritingHumanizing Text
Also tagged for
Essay Writing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
18
You've pasted ChatGPT output into a paper or blog post and cringed at how robotic it sounds
Input: text · Output: text
Free plan
59%Limited overlap
00
How the score adds up
- Built for Humanizing Text (its core category)70/70
- Shares Grammarly's other goals3/10
- Feature description similarity5/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
19
GhostPen is an advanced AI humanizer designed to help students and writers bypass AI detection tools
Input: text · Output: text
Free planFrom $4.9/mo
59%Limited overlap
00
How the score adds up
- Built for Humanizing Text (its core category)70/70
- Shares Grammarly's other goals2/10
- Feature description similarity5/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 6 we tag Grammarly for
Humanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
20
Detect.ai combines an AI content detector with a humanizer in a single browser tool.
Input: text, documents · Output: text
Free planFrom $15.99/moMobile app
57%Limited overlap
00
How the score adds up
- Offers Humanizing Text as a secondary capability42/70
- Shares Grammarly's other goals3/10
- Feature description similarity12/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
21
Smodin is an AI writing toolkit that puts an AI content detector, an AI humanizer, a plagiarism checker, an AI writer, a rewriter and an AI chat assistant in one account.
Input: text, documents · Output: text, data
59%Limited overlap
00
How the score adds up
- Offers Humanizing Text as a secondary capability42/70
- Shares Grammarly's other goals9/10
- Feature description similarity12/20
Capped below the editor-ranked picks above it.
Shared goals 6 of the 6 we tag Grammarly for
Grammar CheckingAI DetectionPlagiarism CheckingRewritingWritingHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
22
BypassGPT is an AI humanizer that rewrites machine-generated text so it reads like human writing and passes AI detectors.
Input: text · Output: text
API
59%Limited overlap
00
How the score adds up
- Built for Humanizing Text (its core category)70/70
- Shares Grammarly's other goals5/10
- Feature description similarity10/20
Capped below the editor-ranked picks above it.
Shared goals 3 of the 6 we tag Grammarly for
AI DetectionRewritingHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
23
Phrasly is an AI writing workspace built around a humanizer that rewrites machine-generated text so it reads like natural human writing, without watermarks.
Input: text · Output: text
Free trialFrom $9.8/mo
59%Limited overlap
00
How the score adds up
- Built for Humanizing Text (its core category)70/70
- Shares Grammarly's other goals5/10
- Feature description similarity12/20
Capped below the editor-ranked picks above it.
Shared goals 3 of the 6 we tag Grammarly for
AI DetectionPlagiarism CheckingHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
24
HIX Bypass is an AI humanizer that rewrites machine-generated text so it reads like a person wrote it and scores as human on detectors.
Input: text · Output: text
From $14.99/moAPI
59%Limited overlap
00
How the score adds up
- Built for Humanizing Text (its core category)70/70
- Shares Grammarly's other goals5/10
- Feature description similarity9/20
Capped below the editor-ranked picks above it.
Shared goals 3 of the 6 we tag Grammarly for
AI DetectionRewritingHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
25
WriteHuman is an AI humanizer that rewrites machine-generated drafts so they read like a person wrote them.
Input: text · Output: text
Free planFrom $12/moAPI
59%Limited overlap
00
How the score adds up
- Built for Humanizing Text (its core category)70/70
- Shares Grammarly's other goals3/10
- Feature description similarity13/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
26
StealthWriter is an AI text humanizer with a built-in AI detector.
Input: text · Output: text
Free planFrom $20/moTeams
59%Limited overlap
00
How the score adds up
- Built for Humanizing Text (its core category)70/70
- Shares Grammarly's other goals3/10
- Feature description similarity12/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 6 we tag Grammarly for
AI DetectionHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
27
59%Limited overlap
00
How the score adds up
- Built for Humanizing Text (its core category)70/70
- Shares Grammarly's other goals2/10
- Feature description similarity8/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 6 we tag Grammarly for
Humanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
28
You paste AI-generated text into the main input box and immediately see format options across the top: General, Academic, Business, Creative, or Technical Humanizer
Input: text · Output: text
Free planFrom $8/mo
59%Limited overlap
00
How the score adds up
- Built for Humanizing Text (its core category)70/70
- Shares Grammarly's other goals2/10
- Feature description similarity4/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 6 we tag Grammarly for
Humanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
29
59%Limited overlap
00
How the score adds up
- Built for Humanizing Text (its core category)70/70
- Shares Grammarly's other goals5/10
- Feature description similarity5/20
Capped below the editor-ranked picks above it.
Shared goals 3 of the 6 we tag Grammarly for
AI DetectionRewritingHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
30
UnGPT takes AI-generated text and rewrites it to mimic natural human writing patterns that slip past detection algorithms
Input: text · Output: text
From $9.92/moBrowser extension
56%Limited overlap
00
How the score adds up
- Offers Humanizing Text as a secondary capability42/70
- Shares Grammarly's other goals8/10
- Feature description similarity7/20
Capped below the editor-ranked picks above it.
Shared goals 5 of the 6 we tag Grammarly for
Grammar CheckingAI DetectionPlagiarism CheckingWritingHumanizing Text
Also tagged for
SEO Writing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
Can it really replace Grammarly for humanizing ai text? Vote on each alternative — no account needed. Votes gently reorder the list; they never change the match score.
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At a glance: top Grammarly alternatives for Humanizing Text
| Tool | Match | Input | Output | Pricing | Free plan | Rating | Category |
|---|---|---|---|---|---|---|---|
| Undetectable AI | 85% | text, images, documents | text, data | From $5/mo | No | — | AI Detector |
| StealthGPT | 82% | text | text | — | No | — | Humanizer AI |
| UndetectedGPT | 78% | text, documents | text | From $19.99/mo | Yes | — | Humanizer AI |
| Humanizer AI | 74% | text, documents | text | From $10/mo | No | — | Humanizer AI |
| GPTHumanizer | 74% | text | text | From $7.99/mo | Yes | — | Humanizer AI |
| SuperHumanizer | 72% | text | text | Free | Yes | — | Humanizer AI |
Frequently asked
What is the best Grammarly alternative for humanizing AI text?
Undetectable AI (85% match) is the closest alternative to Grammarly for humanizing AI text: Undetectable AI bundles an AI text detector, an AI humanizer and an AI image detector into one account. StealthGPT (82% match) and UndetectedGPT (78% match) come next.
Is there a free alternative to Grammarly for humanizing AI text?
Yes. 19 of the 30 ranked alternatives have a free plan or free tier, including UndetectedGPT, GPTHumanizer, SuperHumanizer.
How is the match percentage calculated?
It measures how much of Grammarly's job a tool can take over for humanizing AI text: shared core category, how many of the same use cases it covers and how similar its feature set is. Popularity and ratings never change the percentage; they only break ties in the order. Lists are recomputed nightly and reviewed by editors for the most-visited tools.
How this list is ranked
The match score measures how much of Grammarly's job each tool can take over when the goal is humanizing AI text: shared core category, how many of the same use cases it covers, and how similar its feature set is. Popularity and ratings do not change the score; they only break ties in the order.
Lists are recomputed nightly from the live catalog and reviewed by our editors for the most-visited tools. Sponsored placements are marked and sit outside the ranking.