Best free AI writing tools
Every tool below has a genuine free tier. We rank them by our editorial rating so you can start without paying.
Grammarly
Writing tool
4.6
An AI writing assistant for grammar correction, polishing and generative rewrites.
Pros
Accurate grammarWorks everywhereReal-time suggestionsEnterprise style guides
Cons
English-firstAdvanced features paidSometimes over-corrects
FreeFull review →
DeepL
Writing tool
4.5
Widely considered the most natural machine translation, plus DeepL Write polishing.
Pros
Top-tier naturalnessDeepL Write polishingFormat-preserving documentsMature API
Cons
Fewer languages than GoogleLimited free tierOccasionally stiff colloquialisms
FreeFull review →
Copy.ai
Writing tool
4.2
An AI writing and GTM workflow platform for marketing and sales teams.
Pros
Marketing templatesGTM workflowsMultilingualBatch
Cons
PriceyNeeds fact-checkingAverage Chinese
FreeFull review →
QuillBot
Writing tool
4.2
The most popular AI paraphraser: rewriting, grammar, summarizing and citations in one place.
Pros
High-quality paraphrasingUsable free tierAll-in-one toolkitAcademic friendly
Cons
Weak at creationRestrictive free planAverage Chinese support
FreeFull review →
Wordtune
Writing tool
4
AI21's rewriting companion — light, accurate tone and phrasing suggestions.
Pros
Great tone switchingVaried suggestionsGood extension ecosystemZero learning curve
Cons
Limited free rewritesWeak at long formEnglish-centric
FreeFull review →
Writesonic
Writing tool
3.9
An SEO-focused AI writing platform: keyword research to published article in one flow.
Pros
Integrated SEO workflowCompetitor analysisDirect CMS publishingRich templates
Cons
Needs fact-checkingCredit budgetingAverage Chinese
FreeFull review →