Free AI grammar checkers14 AI tools for spelling, punctuation, tone and more
All the free AI grammar checkers in one list, each with a free plan on its own pricing page. See all AI tools on RankDude, in one directory. The full list, free or paid, is on the AI grammar checkers page.
Updated 1 November 2026
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Claudeclaude.aiAnthropic's general assistant for writing, research, planning and connected tasks across the web, desktop and phone…Listed in 20 lists
- AI personal assistant
- AI image generator
- AI content generator
- AI executive assistant
- AI writing assistant
- AI video editor
- AI chatbot
- AI translator
- AI email writer
- AI summarizer
- AI grammar checker
- AI essay writer
- AI script generator
- AI book writer
- AI job description generator
- AI PDF reader
- AI research paper writer
- AI chart generator
- AI blog writer
- AI product description generator
Engramengram.usChecks grammar, rephrases sentences and translates to English, aimed at non-native speakers.Listed in 1 list
Gingergingersoftware.comGrammar and writing editor for desktop and mobile that corrects and improves text.Listed in 1 list
Grammarlygrammarly.comAI writing help and text generation in any app or website.
Harperwritewithharper.comOpen-source grammar and spell checker that runs on your device.Listed in 1 list
Hemingway Editorhemingwayapp.comChecks your writing for readability and suggests edits to make sentences clearer and shorter.Listed in 2 lists
Linguixlinguix.comAI writing assistant that fixes grammar and clarity on any website.Listed in 2 lists
Outwriteoutwrite.comWriting assistant that checks grammar and rewrites sentences, anywhere online.Listed in 1 list
ProWritingAidprowritingaid.comPlan, write, edit, and publish with the complete toolkit for storytellers.Listed in 3 lists
Saplingsapling.aiLanguage model toolkit for grammar checking, autocomplete, paraphrasing and AI detection.Listed in 4 lists
Trinkatrinka.aiAI editing and proofreading for clear, concise writing.Listed in 2 lists
Wordtunewordtune.comAn AI writer that paraphrases, rewrites and corrects grammar.
Wordvice AIwordvice.aiAI revision tools including editor, reviser, translator and paraphraser.
ZeroGPTzerogpt.comDetects text written by ChatGPT and other AI models.Listed in 4 lists
Other free AI writing tools
Still looking? Browse 158 free AI writing tools across 12 lists: detectors, humanizers, story generators and more.
- Free AI detectorsTools that tell AI-written text from human text: score a document, give a percentage, highlight the sentences they doubt and scan whole files.12 tools
- Free AI humanizersTools that rewrite AI-written text so it reads as human: change the wording, vary sentence length, remove stock phrases and keep the meaning.20 tools
- Free AI story generatorsTools that write stories: a short story from a prompt, a plot outline, characters, a chapter continued from your text and a story for children.9 tools
- Free AI translatorsTools that translate with AI: text, documents, web pages, speech and images with text, in many languages while keeping the tone.13 tools
- Free AI writing assistantsAssistants that write and edit with you: drafts, rewrites, grammar and tone, long-form work such as books and reports, emails and posts.57 tools
- Free AI email writersTools that write emails: draft a reply, write a cold email, shorten a long message, change the tone and add a subject line.20 tools
- Free AI summarizersTools that condense what you give them: summarise an article, PDF, web page or video and pull out the key points.10 tools
- Free AI transcription toolsTools that turn speech into text: transcribe a recording, label who spoke, add timestamps and work in several languages.23 tools
- Free AI book writersTools that help write a whole book: plan chapters, draft chapters, keep characters and facts consistent and edit the manuscript.9 tools
- Free AI script generatorsTools that write scripts: video scripts, YouTube scripts, ad scripts, short film scenes and dialogue, with a hook, scenes and spoken lines.8 tools
- Free AI name generatorsTools that suggest names from a short brief: names for characters, babies, pets, games, usernames and fantasy places in a chosen style.6 tools
AI statistics, live monitors and how I test
- AI statisticsVisits, searches and demand for every category, monthly to October 2026.
- Live monitorsUptime, page speed, security and prices of the tested tools, checked every day.
- CheckersThe tools used during every review, explained one by one.
- Data sourcesWhere the monthly statistics come from and how they are read.
- How I testOne written procedure per category, the same scoring for every tool in it.
- Submit your AI toolNot on the list, or ready to be tested? Send it in for the next pull.
Free AI grammar checkers: questions people ask
What is a free AI grammar checker?
Tools that check writing: find spelling and grammar errors, fix punctuation, suggest clearer wording and adjust tone. On this page every tool also has a plan that costs nothing for as long as you like, read from its own pricing page.
How many AI grammar checkers have a free plan?
14 of the 21 AI grammar checkers RankDude lists, as of 1 November 2026. The full list, free or paid, is on the AI grammar checkers page.
What does the free plan usually limit?
Credits, outputs or projects per month, a watermark, lower resolution or fewer seats. The limits differ by tool; the pricing page each status was read from says exactly what the free plan includes.
Is this a ranking of free AI grammar checkers?
No. The list follows the site's one order: tools I have tested first, then the rest by how well known they are. Only a tested tool carries a grade.
Written by Miles Foster, Owner and tester, RankDude.
All free AI writing tools