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Best 152 ai checker Tools in 2025

GPTBot Checker, AICheatCheck, Mediktor, AI Chrome Extension powered by ChatGPT - Magictool AI, Rewording Tool, Plerdy, Grammarize, Smriti, Niah AI, CHCKR are the best paid / free ai checker tools.

What is ai checker?

An AI checker is a tool that uses artificial intelligence to review and analyze various aspects of written content, such as grammar, syntax, readability, tone, and style. These tools can help writers and editors improve the quality and consistency of their work by identifying potential issues and suggesting corrections or improvements.

What is the top 10 AI tools for ai 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.

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.

Originality.ai

AI Content Detection
Plagiarism Checking
Fact Checking Aid
Readability Score Checker
Team Management
AI Content Detector API
Site Scan

Pay as you go $30 One time on-demand pricing. Get 3,000 one-time credits. Need more? You can buy additional credits as needed under "Settings" in your account. Unused credits expire 2 years after purchase. 1 credit equals 100 words
Pro $12.95/month (Annual) or $14.95/month (Monthly) For individuals and small teams. Get 2,000 credits per month. Need more? It's easy to top up and buy additional credits as needed. Subscription credits are set to expire at the end of each month if they aren't used. 1 credit equals 100 words
Enterprise $136.58/month (Annual) or $179/month (Monthly) Ideal for agencies & publishers. Get 15,000 credits per month. Need more? It's easy to top up and buy additional credits as needed. Subscription credits are set to expire at the end of each month if they aren't used. 1 credit equals 100 words

Users can sign up for Originality.ai, choose a pricing plan, and then use the AI checker, Plagiarism Checker, Fact Checker, and Readability Checker to analyze their content. They can upload files, paste text, or scan entire websites to understand the originality and quality of their content.

Copyleaks

AI Content Detection
Plagiarism Checker
Writing Assistant
API Integration
LMS Integration
Browser Extension

AI + Plagiarism Detection $13.99 /mo Up to 1,200 Credits (1 credit equals 250 words)
Plagiarism Checker $8.99 /mo Up to 1,200 Credits (1 credit equals 250 words)
AI Detector $7.99 /mo Up to 1,200 Credits (1 credit equals 250 words)
Enterprise & LMS Contact us For a plan tailor-made to fit the needs of your organization

Users can upload documents, paste text, or integrate Copyleaks' API into their existing systems to scan for plagiarism and AI-generated content. The platform provides detailed reports highlighting potential issues and sources of similarity.

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.

PlagiarismCheck.org

Plagiarism detection
AI content detection
Authorship verification
Similarity percentage reports
Integration with educational platforms

Basic $5.99 For individuals
Light $9.99 For individuals
Standard $25.49 For individuals
Premium $45.49 For individuals
Advanced Contact for quote For organizations
PRO Contact for quote For organizations

Users can upload documents or paste text into the online checker. The system analyzes the content against various databases and the internet, providing a similarity percentage and highlighting potential plagiarism.

Newest ai checker AI Websites

All-in-one AI Chrome extension with ChatGPT, AI writer, grammar checker, and summarizer.
Penelope.ai automates manuscript checks for journal compliance, aiding editors and authors.
AI-powered writing assistant for grammar, spelling, and style improvements.

ai checker Core Features

Grammar and spelling checks

Readability analysis

Tone and style suggestions

Plagiarism detection

Vocabulary enhancement

What is ai checker can do?

Educational institutions use AI checkers to help students improve their writing skills and submit polished assignments.

Marketing agencies use AI checkers to ensure their content is engaging, error-free, and optimized for target audiences.

Publishing companies use AI checkers to streamline the editing process and maintain high editorial standards.

ai checker Review

Users generally praise AI checkers for their ease of use, comprehensive feedback, and time-saving capabilities. Some reviewers note that while AI checkers are helpful, they should be used in combination with human proofreading for the best results. A few users mention that some AI checkers may flag false positives or miss certain nuances in writing style.

Who is suitable to use ai checker?

A student uses an AI checker to proofread their essay before submission, ensuring proper grammar and readability.

A content creator uses an AI checker to maintain a consistent tone and style across their blog posts.

A translator uses an AI checker to verify the accuracy and fluency of their translated text.

How does ai checker work?

To use an AI checker, users typically copy and paste their text into the tool's interface or upload a document. The AI checker then analyzes the content and provides feedback, suggestions, and scores based on its algorithms. Users can review the feedback and make changes to their text accordingly. Some AI checkers integrate with word processors or content management systems for seamless use.

Advantages of ai checker

Improved writing quality and consistency

Time-saving through automated checks

Increased confidence in writing

Enhanced readability and engagement

Reduced risk of plagiarism

FAQ about ai checker

What is an AI checker?
How accurate are AI checkers?
Can AI checkers replace human editors?
Are AI checkers free to use?
Can AI checkers detect plagiarism?
Do AI checkers work with multiple languages?