Grammar And Plagiarism Checker
The best 50 Grammar And Plagiarism Checker AI tools - Free & Paid
Explore 50 AI for Grammar And Plagiarism Checker
Scribbr offers academic writing support with professional editing, plagiarism detection, citation generation across styles, AI‑powered proofreading, paraphrasing, summarizing, sentence rewriting, and a Chrome extension for in‑browser citations, helping students and researchers produce polished manus
Freemium
This AI tool is a free online writing assistant with advanced features to enhance writing skills and prevent plagiarism.
Freemium
QuillBot is a writing and editing tool offering features such as paraphrasing, grammar and plagiarism checks, citation generation, and content creation assistance, all accessible through a Chrome extension or online platform.
Freemium
- $33/mo
NoPlagio checks uploaded documents against 80 million academic articles and live web sources, supporting 129 languages. It gives similarity scores, color‑coded plagiarism types (citation, paraphrase, improper reference), source links, and protects privacy by never storing files.
Freemium
LanguageTool is an AI grammar, spelling, and style checker supporting 30+ languages. It offers real‑time browser extensions, desktop and Word add‑ins, advanced Picky Mode, paraphrasing, and an API for developer integration.
Free
The AI plagiarism checker from plagiarismcheck.org uses advanced AI technology to detect AI-generated content and plagiarism, supports various file formats, and is useful in academia, SEO, and recruitment.
Freemium
- $5.99
AI-based plagiarism remover rewrites duplicate text while preserving context and readability, offering modes (Word Changer, Formal, Shorten), file upload/download, 15+ languages and integrated tools for checking, paraphrasing, grammar, summarizing and citation generation and export.
Free
PlagiarismSearch.com compares submitted text to a vast database of web pages, journals, and printed sources, highlighting matches and providing similarity reports, AI‑content detection, readability checks, spell‑check, and API integration for real‑time academic integrity.
Paid
Wordvice AI provides real‑time grammar checking, paraphrasing, translation, summarization, plagiarism and AI‑content detection, plus citation generation across multiple languages. It integrates with Chrome and Word, supporting students, researchers, professionals, teams, and offers on‑demand human e
Freemium
- $8.45/mo
GPTZero AI Detector scans documents for potential AI-generated content, providing in-depth results on AI probabilities, vocabulary analysis, and hallucination detection, as well as plagiarism checking and authorship verification capabilities.
Freemium
- $12/mo
PaperTyper generates academic drafts from prompts, offering built‑in plagiarism checking, grammar correction, and citation formats (MLA, APA, Chicago, Harvard, Turabian). Users can edit, format, and export content as Word or PDF at any time.
Free
ZeroGPT is a comprehensive AI tool suite offering advanced features for content detection, text refinement, and translation, including AI detection, plagiarism checking, humanization, and summarization.
Freemium
- $7.99/mo
AI Essay Checker spots AI‑generated content, grammar errors, and plagiarism in real time. It offers multilingual support, a rich text editor, and local processing for privacy, aiding students, teachers, writers, SEO pros, and legal professionals.
Freemium
This AI paraphrasing tool lets users paste essays, articles, or sentences and receive a rewritten version within seconds. It preserves meaning, corrects grammar, removes duplicate phrasing, and ensures academic compliance without account creation.
Free
Gramara is an AI grammar checker that flags errors and awkward phrasing in real‑time, offers style and tone suggestions, and translates corrected sentences into multiple languages, helping writers improve clarity and accuracy.
Free
CorrectEnglish is an AI writing assistant delivering spelling, grammar, and style corrections on Android, iOS, and browsers. It offers contextual word suggestions, error detection, a plagiarism checker, formatting guides, readability scores, and integrates with extensions and research tools.
Freemium
- $24/mo
Paraphrasing tool with 15 modes for 100+ languages - rephrases, rewords, rewrites, checks grammar, eliminates plagiarism
Free trail
PerfectEssayWriter.ai creates structured, plagiarism‑free essays for high‑school to professional users. Set word count, essay type, academic level, tone, and citation style. Supports 27+ languages, real‑time research prompts, auto‑citation, live editing, and undetectable output.
Subscription
Rewrites text in seven styles—Simple, Creative, Formal, etc.—across 17 languages, preserving meaning while enhancing grammar, punctuation, and readability. Removes duplicate phrases for plagiarism‑free output and works with plagiarism/readability tools for students, writers, and SEOs.
Paid
- $3
Web‑based grammar checker supporting 27 languages—including Tagalog and English variants—highlights spelling, grammar, punctuation errors and offers corrections. It accepts rich text up to 15,000 characters, detects GPT‑style typos, and includes an AI content detector, usable from any browser.
Free
Trinka AI is a privacy‑first grammar and language enhancement platform for academic and technical writing. It corrects grammar, punctuation, style, provides plagiarism checks, citation formatting, and multilingual support, integrating into Word, Chrome, and other editors.
Paid
- $20/mo
TextAdviser delivers AI‑powered language tools: grammar checking, plagiarism detection, syntactic analysis, fast text generation, rewriting, tone humanization, summarization, and name/title creation. It supports English, Spanish, Portuguese, Italian, French, and German for writers, students, markete
Free
Quetext is an all‑in‑one writing platform offering plagiarism detection, AI content detection, real‑time grammar and spell correction, summarization, paraphrasing, and citation generation. It supports PDF, DOC, TXT files with bulk uploads for students, teachers, researchers, and creators.
Freemium
- $8/mo
AI‑powered essay generator producing full drafts in under 90 seconds. Users input topic, level, type, and length; it creates structured, original content with plagiarism check, APA/MLA/Chicago formatting, and a tone‑enhancing humanizer. No account required, data encrypted.
Subscription
- $7.99/mo
Aithor automates essay creation, literature reviews, and topic ideation for academic and creative writers. It provides access to 10 million verified sources, manages MLA/APA citations, offers grammar checking, paraphrasing, summarization, and tone adjustment to streamline writing.
Freemium
EssayGrad is an AI-powered tool that grades essays and provides specific feedback based on rubrics, identifies areas for improvement, summarizes the essay, detects AI-written essays, and reports grammar, spelling, and punctuation errors.
Freemium
MyPerfectWords connects students and researchers with qualified writers holding advanced degrees across 140+ disciplines. A three‑step review ensures proper structure, citations, and formatting. Each submission includes Turnitin and AI originality checks. 3‑hour urgent turnaround and 24/7 chat suppo
Paid
AI Essay Writer drafts essays in under a minute using Genius, Expand, Paraphrase, Summarise, and Continue modes. Users set essay type, level, citation style, and instructions. Plagiarism checks and editing tools preserve originality. Drafts export to PDF; 28 languages supported.
Free
Rephras is an AI tool for composing, paraphrasing, and plagiarism checking. It offers 20 modes, 100+ languages, and a keyword-based content mode.
Freemium
EssayPro Plagiarism Checker detects potential plagiarism in documents up to 3,000 words, supporting TXT, DOC, DOCX, and PDF formats. It offers instant results, detailing similarities and providing original source links along with an originality score.
Free
editGPT is a Chrome extension that turns ChatGPT into a writing assistant. It provides real‑time grammar, style, and rewriting support in 80+ languages, preserves formatting, tracks changes, and manages revisions.
Free
- $10/mo
FCK.School Free Tools offers web based writing utilities — grammar and punctuation checkers, summarizer, paraphrase and rewrite tools — plus academic content generators (outlines, thesis statements, titles, paragraphs, conclusions) to support drafting, editing, and idea development.
Freemium
SmartStudi is an AI writing assistant that offers plagiarism checking, AI detection (10% confidence), paraphrasing to evade detection, citation generation in multiple styles, document summarization, grammar correction, and file uploads from Google Drive, PDFs, DOCX, and PPTX.
Freemium
- $9.99/mo
AI Humanizer refines text by restructuring sentences to improve flow and reduce mechanical patterns while preserving meaning. It offers adjustable rewrite modes, selective paragraph editing, keyword protection, and built‑in AI detection and plagiarism checks.
Free trial
- $8/mo
ProWritingAid is an AI writing assistance tool that offers suggestions for grammar, style, and improvement with the touch of a button.
Freemium
Linguix is a writing tool that offers free grammar check, analyzes team performance over-time, can be accessed through various platforms, and has a clean and modern UI.
Freemium
- $99
Essay Builder AI creates structured, plagiarism‑free essays quickly. Users choose type, length, and topic, then receive coherent text in seconds. It offers a dashboard, built‑in plagiarism check, and PDF/Word export, suitable for all academic levels.
Freemium
- $5/mo
The Free AI Plagiarism Checker accurately detects plagiarism in multiple languages by scanning billions of sources. It supports various file formats, analyzes up to 200,000 words, and provides detailed reports on total and partial matches.
Freemium
AssignmentGPT AI delivers a desktop and mobile suite of academic tools—assignment and essay writing, math problem solving with step‑by‑step explanations, research paper review, AI humanizer, diagram generation, and image‑to‑answer uploads—supporting students across 50+ subjects and languages.
Paid
Originality.ai evaluates text for AI generation, plagiarism, factual accuracy, readability, grammar, and SEO. The Chrome extension and web app enable on‑page checks, bulk scanning, PDF uploads, and API integration for writers and editors.
Free trial
- $12.95/mo
AHelp is an AI platform offering essay writing, paraphrasing, grammar and plagiarism checks, and AI source finding in multiple languages. It generates outlines, expands paragraphs, and validates originality, streamlining drafting and quality control.
Subscription
- $4.17/mo
Grammar Checker is a free AI tool that corrects grammar, spelling, and punctuation errors. It also provides suggestions to improve your writing style and polish your text.
Free
AI Essay Writer is a web‑based tool that generates academic essays, outlines, and paragraph suggestions based on topic, type, tone, and citations. It includes grammar checks, AI detection, and reference formatting, aiding students and researchers.
Freemium
- $5/mo
TextGears is a grammar and spell checker with an API for automated proofreading, readability scoring, and text analysis. It supports multiple languages and offers both cloud-based and self-hosted deployment for integration into various business workflows.
Subscription
Writeless generates academic essays up to 20,000 words with accurate MLA, APA, Harvard, Chicago, and Vancouver citations sourced from reputable databases. It checks plagiarism, adapts tone, and verifies references are current for undergraduates, masters, PhDs, and professionals.
Freemium
- $30/mo
Thesify is an academic assistant that offers feedback on theses, dissertations, and grant proposals, evaluating strength, evidence, clarity, and rubric alignment. It provides instant citation support from 200 million references and delivers article summaries, semantic literature search, and paper di
Freemium
AI Paraphrasing Tool rewrites user text into unique, grammatically correct output using six specialized modes (Creative, Fluency, Formal, Academic, Blog, Anti‑Plagiarism). It detects plagiarism, preserves citations and keyword placement, and exports results to Word, PDF, or TXT.
Paid
AcademicGPT is a powerful AI tool for researchers to generate abstracts and receive feedback on research papers. It saves time and streamlines the writing process.
Free
WriteGo AI Research & Writing is an academic‑writing platform that generates structured essays with MLA, APA, and Chicago citations, offers a citation generator, grammar checker, paraphraser, summarizer, multilingual translator, and scholar search to streamline research and drafting.
Freemium
EssayWriter streamlines academic writing by generating drafts, sourcing citations from an integrated database, refining structure with GPT‑3.5/4, checking plagiarism, and exporting to PDF/DOC. It supports argumentative, persuasive, narrative, research papers, aiding students, teachers, and researche
Free