Best DeepL Alternatives for Grammar Checking
23 AI tools that can replace DeepL for checking grammar, ranked by how closely they match. The percentage is a match score, not a popularity score.
Replacing: DeepL — Most translation tools convert text and stop thereInput: text, audio, documents · Output: text, audio, documents
1
Writing confidence that follows you everywhere
Input: text · Output: text
Free planFrom $12/mo
80%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 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
RewritingWritingAI DetectionPlagiarism CheckingHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
2
LanguageTool checks grammar, spelling, punctuation, casing and style as you write, and works in more than 30 languages and dialects, including English, German, Portuguese, Spanish, French and Dutch.
Input: text · Output: text
Free planBrowser extensionTeams
80%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 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
RewritingWriting
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
3
ProWritingAid is a writing toolkit built around the full path of a book, from first idea to publication.
Input: text · Output: text
Free planFrom $10/mo
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 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
Book WritingWriting
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
4
Rephrase until it sounds right
Input: text, images, documents · Output: text, images, documents, slides
Free planFrom $19.95/mo
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 3 we tag DeepL for
Grammar Checking
Also tagged for
RewritingSummarizingWritingAI DetectionPlagiarism CheckingHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
5
Rewrite sentences without rewriting them yourself
Input: text · Output: text
Free planFrom $4.89/mo
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 3 we tag DeepL for
Grammar Checking
Also tagged for
RewritingWriting
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
6
Grammar Checker.cc is a free online grammar checker.
Input: text, documents · Output: text
Free plan
65%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 3 we tag DeepL for
Grammar Checking
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
7
RewriteBar offers a free trial before you buy
Input: text · Output: text
Free planFrom $29/mo
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 3 we tag DeepL for
TranslationGrammar Checking
Also tagged for
RewritingWriting
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
8
Writefull is automated writing and proofreading software for academics.
Input: text, documents · Output: text
Teams
61%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Grammar Checking (its core category)70/70
- Shares DeepL's other goals3/10
- Feature description similarity2/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
RewritingWriting
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
9
Hemingway Editor is a writing app that marks up your draft so you can see where the prose gets heavy.
Input: text · Output: text
Free trial
61%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Grammar Checking (its core category)70/70
- Shares DeepL's other goals3/10
- Feature description similarity1/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
RewritingWriting
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
10
Grammarly for Education is the institutional version of Grammarly's AI writing support, offered to universities, colleges and schools.
Input: text · Output: text
61%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Grammar Checking (its core category)70/70
- Shares DeepL's other goals3/10
- Feature description similarity4/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
Writing
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
11
Trinka is an AI writing assistant and grammar checker aimed at academic and technical writing.
Input: text, documents · Output: text, documents
Free planTeams
61%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Grammar Checking (its core category)70/70
- Shares DeepL's other goals3/10
- Feature description similarity5/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
RewritingWritingAI DetectionPlagiarism Checking
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
12
Ginger Software is an English writing assistant that checks spelling and grammar by reading whole sentences, so its corrections follow context instead of isolated word matches.
Input: text · Output: text
APIMobile appBrowser extensionTeams
61%Partial replacement — covers the main need with gaps
00
How the score adds up
- Built for Grammar Checking (its core category)70/70
- Shares DeepL's other goals3/10
- Feature description similarity4/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
RewritingWriting
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
13
Reverso is an online translation and language-learning service that combines neural machine translation with a contextual dictionary.
Translation plus language learning and grammar help in one service; from $6.49 a month
Input: text, documents · Output: text, documents
Free planFrom $6.49/mo
56%Limited overlap · same core category as DeepL
00
How the score adds up
- Offers Grammar Checking as a secondary capability42/70
- Shares DeepL's other goals7/10
- Feature description similarity7/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag DeepL for
TranslationGrammar Checking
Also tagged for
Language Learning
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
14
AI in browser sidebar always ready
Input: text, images, documents, code, web pages · Output: text, images, video, code
Free planFrom $8.3/mo
51%Limited overlap
00
How the score adds up
- Offers Grammar Checking as a secondary capability42/70
- Shares DeepL's other goals6/10
- Feature description similarity4/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag DeepL for
TranslationGrammar Checking
Also tagged for
RewritingSummarizingWritingImage GenerationVideo GenerationVideo SummariesCodingMind MappingEmail WritingPDF WorkSearchData Analytics
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
15
Your AI assistant for everything
Input: text, images, audio, documents, code · Output: text, images, audio, code
Free planFrom $8/mo
50%Limited overlap
00
How the score adds up
- Offers Grammar Checking as a secondary capability42/70
- Shares DeepL's other goals6/10
- Feature description similarity3/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag DeepL for
TranslationGrammar Checking
Also tagged for
Essay WritingRewritingSummarizingWritingImage GenerationImage to ImageVideo GenerationVoice AssistantsCodingAI AgentsPDF WorkPresentations
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
16
Resoomer is a free online text studio that summarizes, paraphrases, translates, proofreads and reads documents aloud from one workspace.
Input: text, documents, web pages · Output: text, audio
Free planMobile appBrowser extension
50%Limited overlap
00
How the score adds up
- Offers Grammar Checking as a secondary capability42/70
- Shares DeepL's other goals6/10
- Feature description similarity2/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 3 we tag DeepL for
TranslationGrammar Checking
Also tagged for
RewritingSummarizingReading
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
17
You describe what you need and it creates, reads and edits the document, rewrites passages, summarizes long files and answers questions on how to improve your writing.
Input: text, audio, documents · Output: text, images, documents
Free planFrom $99.99/moMobile appTeams
49%Limited overlap
00
How the score adds up
- Offers Grammar Checking as a secondary capability42/70
- Shares DeepL's other goals3/10
- Feature description similarity4/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
RewritingSummarizingWriting
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
18
Overleaf AI Assist is the set of AI features built into Overleaf, the online LaTeX editor.
Input: text, images, code · Output: text, code
Free planFrom $7.25/mo
48%Limited overlap
00
How the score adds up
- Offers Grammar Checking as a secondary capability42/70
- Shares DeepL's other goals3/10
- Feature description similarity3/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
RewritingSummarizingWritingResearch Papers
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
19
Chegg is a student study service offering step-by-step solutions, practice questions, expert proofreading and instant citations.
Input: text · Output: text
Mobile app
47%Limited overlap
00
How the score adds up
- Offers Grammar Checking as a secondary capability42/70
- Shares DeepL's other goals3/10
- Feature description similarity2/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
Homework HelpMath
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
20
SpinBot is a free online article spinner and paraphrasing tool that rewrites readable text into new wording.
Input: text · Output: text
Free planBrowser extension
47%Limited overlap
00
How the score adds up
- Offers Grammar Checking as a secondary capability42/70
- Shares DeepL's other goals3/10
- Feature description similarity2/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
Rewriting
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
21
Scribbr Plagiarism Checker compares a document with a database of 99 billion web pages and 8 million publications and shows where the text matches existing sources.
Input: text, documents · Output: documents
Free plan
47%Limited overlap
00
How the score adds up
- Offers Grammar Checking as a secondary capability42/70
- Shares DeepL's other goals3/10
- Feature description similarity2/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
AI DetectionPlagiarism Checking
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
22
Course Hero is a study platform that combines millions of student-shared course documents with AI homework help and tutors.
Input: text, images · Output: text
Mobile app
46%Limited overlap
00
How the score adds up
- Offers Grammar Checking as a secondary capability42/70
- Shares DeepL's other goals3/10
- Feature description similarity1/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
FlashcardsHomework HelpMath
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
23
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
46%Limited overlap
00
How the score adds up
- Offers Grammar Checking as a secondary capability42/70
- Shares DeepL's other goals3/10
- Feature description similarity1/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 3 we tag DeepL for
Grammar Checking
Also tagged for
RewritingWritingAI DetectionPlagiarism CheckingHumanizing Text
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
Can it really replace DeepL for checking grammar? Vote on each alternative — no account needed. Votes gently reorder the list; they never change the match score.
Missing an alternative for checking grammar? Suggest it
At a glance: top DeepL alternatives for Grammar Checking
| Tool | Match | Input | Output | Pricing | Free plan | Rating | Category |
|---|---|---|---|---|---|---|---|
| Grammarly | 80% | text | text | From $12/mo | Yes | — | AI Grammar Checker |
| LanguageTool | 80% | text | text | Free | Yes | — | AI Grammar Checker |
| ProWritingAid | 72% | text | text | From $10/mo | Yes | — | AI Writing Assistants |
| QuillBot | 70% | text, images, documents | text, images, documents, slides | From $19.95/mo | Yes | — | AI Rewriter |
| Wordtune | 70% | text | text | From $4.89/mo | Yes | — | AI Rewriter |
| Grammar Checker.cc | 65% | text, documents | text | Free | Yes | — | AI Grammar Checker |
Frequently asked
What is the best DeepL alternative for checking grammar?
Grammarly (80% match) is the closest alternative to DeepL for checking grammar: Writing confidence that follows you everywhere. LanguageTool (80% match) and ProWritingAid (72% match) come next.
Is there a free alternative to DeepL for checking grammar?
Yes. 16 of the 23 ranked alternatives have a free plan or free tier, including Grammarly, LanguageTool, ProWritingAid.
How is the match percentage calculated?
It measures how much of DeepL's job a tool can take over for checking grammar: 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 DeepL's job each tool can take over when the goal is checking grammar: 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.