Sponsored by Tripo AI.

Best 128 ai writing checker Tools in 2025

Smriti, PaperTyper, Grammarize, Word Changer, Grammarly, RytersBlock.com, CorrectEnglish, Fixkey, IELTS Writing Helper, Yomu AI are the best paid / free ai writing checker tools.

What is ai writing checker?

An AI writing checker is an AI-powered tool that analyzes written content for grammar, spelling, punctuation, style, tone and other aspects of writing. It leverages natural language processing (NLP) and machine learning models trained on large datasets of written works to provide automated proofreading and editing suggestions. AI writing checkers aim to enhance the quality, clarity and consistency of writing across various domains and help writers improve their skills.

What is the top 10 AI tools for ai writing checker?

Core Features
Price
How to use

Grammarly

Grammar and spelling checker
Style and tone suggestions
AI-powered writing assistance
Plagiarism checker
Text generation
Brand tone detection

Free $0 USD / month Write without mistakes. See your writing tone. Generate text with 100 AI prompts.
Pro $12 USD / member / month, billed annually ($30 when billed monthly) Everything included in Free. Rewrite full sentences. Adjust your writing tone. Stay on-brand. Generate text with 2,000 AI prompts.
Enterprise Contact Sales Everything included in Pro. Unlimited members. Dedicated support. Confidential mode. Granular roles and permissions. Data loss prevention. Unlimited generative AI prompts.

Grammarly integrates with various applications and websites. Users can simply type or paste text into the Grammarly editor, or use the browser extension to receive real-time suggestions as they write. Grammarly provides feedback on grammar, spelling, punctuation, style, and tone, allowing users to improve their writing.

Monica

AI Chatbot
Copywriting templates
Text explanation, translation, and rephrasing
Image, video, and PDF processing tools

Pro US$8.3/month 1500 Advanced Credits
Unlimited US$16.6/month 4500 Advanced Credits
Free US$0 40 accesses to basic models daily

Install the Chrome extension, then use Monica to chat, compose text on web pages, explain selected text, translate, or rephrase.

Sider

ChatGPT Sidebar
GPT-4 Support
AI Reader
AI Writer
ChatPDF Integration
Image Tools
Group AI Chat

Install the Sider Chrome/Edge extension to seamlessly integrate AI assistance into your browsing, reading, and writing tasks. Select any text to explain, translate, summarize, or rewrite it using the ChatGPT sidebar.

LanguageTool

Grammar checking
Spelling correction
Style improvement
Punctuation checking
Rephrasing tool
Multi-language support

Premium Only with LanguageTool Premium, you can use the spell checking for longer texts, get more corrections of style and enjoy more features for your proofreading.

Paste your text or start typing in the editor to check grammatical errors and spelling mistakes. Use the browser add-on for real-time suggestions while writing online.

Smodin

AI Text Rewriter
Plagiarism Checker
AI Writer
AI Content Detector
AI Essay Grader
Multi-lingual Translator
AI Homework Solver
Citation Machine

Teachers (Starter Plan) $9 USD /Month billed annually Includes AI Detector, AI Grader, and Plagiarism Checker
Students (Best Value) $15 USD /Month billed annually Includes Author, Paragraph Rewriter, Text Summarizer, Multi-lingual translator, and Omni
Ultimate (Premium) $18 USD /Month billed annually Includes AI Detector, AI Grader, Plagiarism Checker, Author, Paragraph Rewriter, Text Summarizer, Multi-lingual translator, and Omni

Smodin provides various AI-powered tools accessible through its dashboard. Users can select the desired tool, such as the text rewriter or plagiarism checker, and input their text. The AI then processes the text and provides the requested output, such as rewritten content or a plagiarism report.

ProWritingAid

Grammar Checker
Style Editor
Manuscript Analysis
Virtual Beta Reader
Chapter Critique
Paraphrasing Tool
Rephrase
Sparks
Writing Reports

Free Free Basic writing suggestions, everywhere you write. 500 word count limit, 2 runs per report per day, 10 rephrases per day, 3 Sparks per day.
Premium (Monthly) $30.00 per month Write and edit like an expert. No word limits. Everything in Free, Unlimited word count, Unlimited report runs, Unlimited rephrases, 5 Sparks per day, Advanced style improvements, Custom style guide, Snippets, 25+ writing analysis reports, Customizable suggestions, Terminology management, Author comparison, Citations, Collaboration, Unlimited document storage, 1 Chapter Critique per day, 30% discount on Manuscript Analysis Credits.
Premium Pro (Monthly) $36.00 per month Unlock extended AI features to spark ideas. Everything in Premium, 50 Sparks per day, 3 Chapter Critiques per day, 50% discount on Manuscript Analysis Credits.
Premium (Yearly) $10.00 per month, billed yearly $120 Write and edit like an expert. No word limits. Everything in Free, Unlimited word count, Unlimited report runs, Unlimited rephrases, 5 Sparks per day, Advanced style improvements, Custom style guide, Snippets, 25+ writing analysis reports, Customizable suggestions, Terminology management, Author comparison, Citations, Collaboration, Unlimited document storage, 1 Chapter Critique per day, 30% discount on Manuscript Analysis Credits.
Premium Pro (Yearly) $12.00 per month, billed yearly $144 Unlock extended AI features to spark ideas. Everything in Premium, 50 Sparks per day, 3 Chapter Critiques per day, 50% discount on Manuscript Analysis Credits.
Premium (Lifetime) $399.00 One-time payment Write and edit like an expert. No word limits. Everything in Free, Unlimited word count, Unlimited report runs, Unlimited rephrases, 5 Sparks per day, Advanced style improvements, Custom style guide, Snippets, 25+ writing analysis reports, Customizable suggestions, Terminology management, Author comparison, Citations, Collaboration, Unlimited document storage, 1 Chapter Critique per day, 30% discount on Manuscript Analysis Credits.
Premium Pro (Lifetime) $699.00 One-time payment Unlock extended AI features to spark ideas. Everything in Premium, 50 Sparks per day, 3 Chapter Critiques per day, 50% discount on Manuscript Analysis Credits.

Users can access ProWritingAid through various integrations, including desktop apps, browser extensions, and integrations with popular writing software like Word and Google Docs. Once installed, the tool analyzes the user's writing and provides suggestions for grammar, style, and overall improvement. Users can review these suggestions and apply them to enhance their writing.

Wordtune

Rewriting and rephrasing
AI-powered suggestions
Word Finder
Examples from trusted sources
Tone adjustment (Casual, Formal)
Sentence expansion and shortening
Summarizer
AI writing
Grammar checker
Humanize AI

Basic $0.00 For those looking to fix spelling and grammatical errors — for limited use only.
Advanced $6.99 per month For those looking to perfect their writing — for limited daily use.
Unlimited $9.99 per month For those looking to write confidently — anywhere, anytime.

Users can add Wordtune to Chrome or use it on desktop. It works on various websites like Google Docs, Gmail, LinkedIn, Facebook, Twitter, Slack, and Outlook Web. Users can input text and receive AI-powered suggestions to improve clarity, fluency, and vocabulary.

Winston AI

AI content detection
Plagiarism checker
AI image detection
Writing feedback
HUMN-1 Website certification

Free $0 2,000 credits / 14 day trial. Includes AI Content detection, AI Image & deepfake detection, Email and Chat support, Scan documents, HUMN-1 website certification / 14 day trial, Scan pictures and handwriting (OCR), Generate shareable PDF reports, Advanced plagiarism detection, Invite team members, Top-up Credits
Essential (Monthly) $12 / month 80,000 credits / month. Includes AI Content detection, AI Image & deepfake detection, Writing Feedback, Email and chat support, Scan documents, Scan pictures and handwriting (OCR), Generate shareable PDF reports, Advanced plagiarism detection, Invite team members, Top-up Credits
Advanced (Monthly) $19 / month 200,000 credits / month. Includes AI content detection, Advanced plagiarism detection, AI Image & deepfake detection, Writing Feedback, Email and chat support, Scan documents, Scan pictures and handwriting (OCR), Generate shareable PDF reports, HUMN-1 website certification, Up to 5 team members, Top-up Credits
Elite (Monthly) $32 / month 500,000 credits / month. Includes AI content detection, Advanced plagiarism detection, AI Image & deepfake detection, Writing Feedback, Email and Chat support, Scan documents, Scan pictures and handwriting (OCR), Generate shareable PDF reports, HUMN-1+ website certification, Unlimited team members, Top-up Credits
Essential (Annual) $18 / month 80,000 credits / month. Includes AI Content detection, AI Image & deepfake detection, Writing Feedback, Email and chat support, Scan documents, Scan pictures and handwriting (OCR), Generate shareable PDF reports, Advanced plagiarism detection, Invite team members, Top-up Credits
Advanced (Annual) $29 / month 200,000 credits / month. Includes AI content detection, Advanced plagiarism detection, AI Image & deepfake detection, Writing Feedback, Email and chat support, Scan documents, Scan pictures and handwriting (OCR), Generate shareable PDF reports, HUMN-1 website certification, Up to 5 team members, Top-up Credits
Elite (Annual) $49 / month 500,000 credits / month. Includes AI content detection, Advanced plagiarism detection, AI Image & deepfake detection, Writing Feedback, Email and Chat support, Scan documents, Scan pictures and handwriting (OCR), Generate shareable PDF reports, HUMN-1+ website certification, Unlimited team members, Top-up Credits

To use Winston AI, create a free account, enter the text you want to check (either by pasting or uploading a document), and the AI detector will provide a percentage indicating the likelihood of the text being generated by a human or AI. You can also activate the plagiarism checker to scan for plagiarized content.

Rytr

AI Autocomplete Text
Text Editing: Continue Writing
Text Inflator
Grammar Checker & Text Improver
AI Paragraph Generator
Rewording Generator
Sentence Shortener
AI Command Generator
Blog Outline Generator
AI Blog Generator
AI Meta Description Generator
SEO Meta Title Generator
AI Landing Page Generator
Keyword Extractor
AI Keyword Generator
AI Newsletter Generator
Custom Poem Generator
AI Song Generator
AI Story Generator
Call To Action Generator
Social Media Ad Generator
Google Ad Generator
AI Caption Generator
AI SMS Generator
AI Bio Generator
Video Description Generator
Video Channel Description Generator
Video Idea Generator
AI LinkedIn Post Generator
AI Quora Answer Generator
AI Facebook Post Generator
AI Product Description Generator
AI Bullet Point Generator
AIDA Copywriting Generator
PAS Copywriting Generator
AI Response Generator
Business Pitch Generator
AI Business Idea Generator
AI Cover Letter Generator
Email Generator
AI Interview Question Generator
AI Job Description Generator
AI Tagline Generator
AI Real Estate Listings

Free $0/m Free forever, no CC required. Generate 10k characters per month, Access 40+ use-cases, Write in 20+ tones, Access to chrome extension
Unlimited $7.50/m Unlimited generations for individuals getting started with generative AI. Everything in Free + Generate UNLIMITED copy each month, Build 1 personalised tone of voice, 50/m plagiarism checks
Premium $24.16/m For freelancers that need to create content for multiple brands. Everything in Unlimited + Build 5 personal tones of voice, Increased character input limits, Write in 40+ languages, 100/m plagiarism checks

Choose from over 40+ content use cases and templates—from email responses and blog posts to social media ads and everything in between. Rytr's Chrome Extension lets you craft quality content wherever you write.

Quetext

Plagiarism Checker
AI Content Detector
AITutorMe paraphrasing tool
Citation Generator
DeepSearch™ technology
ColorGrade™ Feedback
Interactive Snippet Text

Free $0/month Deep Search Plagiarism Checker (up to 500 words), AI Content Detector (up to 250 words), Website Citation Generator, Citation Assistant
Essential Starting from $13.99/month AITutorMe, Includes 100,000 Words, Bulk file uploads (up to 20 files), Google Drive & Microsoft OneDrive file uploads, Grammar & Spell check, Everything in free
Enterprise Starting from $11.99/month AITutorMe, Unlimited users, Remarks Tool, Admin Control, Select the monthly word count that works best for your needs, Everything in Essential

Users can check for plagiarism and AI content by uploading text or documents to the Quetext website. The tool analyzes the content and provides feedback on originality, potential plagiarism, and AI-generated content. AITutorMe helps paraphrase content, and the citation generator creates citations in MLA, APA, and Chicago styles.

Newest ai writing checker AI Websites

All-in-one AI Chrome extension with ChatGPT, AI writer, grammar checker, and summarizer.
AI-powered writing assistant for grammar, spelling, and style improvements.
AI essay writer for high-quality, plagiarism-free academic content.

ai writing checker Core Features

Grammar and spell checking to identify errors and suggest corrections.

Style and tone analysis to ensure writing matches the intended voice and audience.

Plagiarism detection by comparing content against databases of existing works.

Word choice and synonym recommendations to enhance vocabulary and precision.

Readability scoring based on factors like sentence length and complexity.

What is ai writing checker can do?

Content marketing agencies using AI writing checkers to maintain high quality and consistency across client projects.

Academic institutions providing AI writing tools to help students improve their papers and theses.

Legal firms leveraging AI to ensure documents are error-free and adhere to specific legal writing styles.

Translation agencies using AI to check grammar and usage of machine-translated or non-native language content.

ai writing checker Review

User reviews of AI writing checkers are largely positive, praising the time savings, quality improvements, and educational value. Some reviewers note that the tools can occasionally make incorrect or nonsensical suggestions, underlining the importance of human oversight. A few users express concern over data privacy and the subscription costs of certain tools. Overall, AI writing checkers are regarded as helpful assistants for most writers, but not infallible replacements for human judgement.

Who is suitable to use ai writing checker?

A student uses an AI writing checker to proofread their essays before submission, identifying grammatical errors and receiving word choice suggestions.

A professional writer uses the tool to analyze the tone and style of their articles, ensuring they match the publication's guidelines.

An email marketer runs their messages through an AI writing assistant to optimize the language for clarity and persuasion.

A novelist checks their manuscript with an AI tool to catch inconsistencies in spelling or capitalization of character and place names.

How does ai writing checker work?

To use an AI writing checker, simply input or paste your text content into the tool's interface or text editor. The AI models will analyze the writing in real-time and highlight potential issues inline or in a separate suggestions panel. Review the suggestions, which often include explanations and replacement options. Apply or ignore the recommended changes as appropriate. Some AI writing checkers integrate directly with word processors, email clients, and content management systems for seamless use in existing workflows.

Advantages of ai writing checker

Saves time and effort in proofreading and editing.

Improves the overall quality and polish of the final written work.

Catches errors and inconsistencies that are easy for humans to miss.

Helps writers learn and avoid common mistakes.

Ensures adherence to style guides and brand voice standards.

FAQ about ai writing checker

How accurate are AI writing checkers?
Can AI writing checkers replace human proofreaders?
Do AI writing checkers work for all languages?
Are AI writing checkers expensive?
How do AI writing checkers handle data privacy?
Can AI writing checkers handle specialized terminology?