Spelling Checker Online
The best 50 Spelling Checker Online AI tools - Free & Paid
Explore 50 AI for Spelling Checker Online
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
Check Typo is an AI‑powered spell‑checker extension that integrates into web forms, Gmail, LinkedIn, and social media drafts, supporting 100+ languages and preserving tone while providing real‑time corrections for students, professionals, and writers.
Free
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
WProofreader offers AI‑driven, multilingual spelling, grammar, and style checking for 20+ languages. It provides SDKs, an API, browser extensions, and CMS modules, with TLS encryption, GDPR compliance, on‑prem or AWS hosting, and customizable industry rules.
Freemium
This AI tool is a free online writing assistant with advanced features to enhance writing skills and prevent plagiarism.
Freemium
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
AIGrammarChecker is a free AI-powered tool that instantly corrects grammar, spelling, and punctuation errors. It analyzes text structure and context to improve writing clarity and supports multiple languages via text input or file uploads.
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
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
Word Spinner is an AI‑powered writing assistant that improves tone, flow, and readability for blog posts, emails, ads, and web copy. It offers grammar checks, tone analysis, and a Chrome extension supporting 100+ languages.
Subscription
- $29/mo
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
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
Smart Online Notepad is a flexible writing tool that offers AI grammar correction, tone adjustment, real-time word counting, and easy note sharing. It supports multiple languages and has a user-friendly design with dark and light modes.
Free trial
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
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
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
FuturePerfect scans every public page of a website for spelling and grammar errors in 30 languages, delivering instant alerts and a dashboard of correction suggestions. No code integration required—just a URL to keep content error‑free and professional.
Freemium
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
Outwrite is an AI assistant that instantly corrects spelling, grammar, and punctuation across Chrome, Edge, Google Docs, and Word. It provides real‑time readability scores, offers style and paraphrasing suggestions, and converts passive to active voice in English, French, and Spanish.
Free
- $6.95/mo
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
PunctuationCheck is an AI tool that instantly corrects punctuation, grammar, and spelling, offering manual or batch edits. It supports regional English variants, basic formatting, PDF export, and processes text locally for privacy.
Free
ProWritingAid is an AI writing assistance tool that offers suggestions for grammar, style, and improvement with the touch of a button.
Freemium
AI Content Checker is a free browser extension that enhances web publishing by detecting errors, ensuring quality logic, and perfecting content before publication. It offers features like reviewing pages, answering specific questions, highlighting headings/links, identifying spacing issues, and open
Free trial
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
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
InstaText is an AI editing assistant that highlights suggestions for clarity, flow, word choice, and grammar. Users can accept or reject each change, select dialect, formality, or add custom terms. It works on Chrome, Gmail, Slack, Docs, Overleaf, and Word.
Paid
- $9.99/mo
Paraphrase Online is a free tool for rephrasing text, supporting multiple formats and languages. It features five paraphrasing modes to customize output while ensuring grammatical accuracy and preserving original meaning, ideal for avoiding plagiarism.
Freemium
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
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
L21 AI Proofreader enhances written content accuracy and contextuality of live events.
Freemium
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
DraftCheck automates document proofreading and revision, offering grammar and spelling corrections, style and clarity suggestions, and rewrite options. In-document add-ons, collaborative change tracking, comment threads, permissions, and revision history streamline team editing and publishing.
WordChanger is an AI‑powered word rewriter that suggests alternative vocabulary, adjusts tone, and corrects grammar in real time. It highlights replacements for easy acceptance and offers readability analytics, fluency checks, and plagiarism scanning across multiple languages.
Paid
RewriteBar is a macOS menu bar AI assistant that enhances writing by correcting grammar, changing styles, and translating text across applications. It supports 30 languages, streamlining the writing process for diverse users with a user-friendly interface.
Free trial
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
Textbuddy is an AI‑powered rewriter and plain‑English editor that flags long sentences, complex words, passive voice, and filler words, providing a readability score. It offers synonyms, CEFR language levels, keyword repetition stats, and supports over 50 languages.
Subscription
Speedwrite generates fresh, original English text from supplied source material. It produces new paragraphs, rewrites user input with improved grammar and style, and adapts to essays, articles, reports, or marketing copy.
Subscription
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
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
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
The MyEssai AI tool offers instant and specific feedback to improve essay quality by analyzing grammar, structure, and content. It's free to use with various pricing plans available for more extensive feedback.
Freemium
Reescribir Textos es una herramienta AI que reestructura oraciones, párrafos y artículos manteniendo su significado, con modos sencillo, medio, formal e inteligente. Permite pegar, subir archivos y descargar resultados en DOC, facilitando la generación de contenido único y legible.
Free
Spell is an AI task automation assistant, allowing users to efficiently generate content, conduct research, and develop business plans. Its parallel task execution and extensive prompt library enhance productivity across various domains.
Free trial
- $25/mo
Suggestcat is a web-based AI tool that detects grammatical and stylistic errors in real-time, offering corrections and suggestions. It supports popular text editors and includes an admin dashboard, enhancing editing efficiency for developers and content creators.
Freemium
Talers is a collaborative writing app that supports multiple file types and organized projects. It provides real‑time spelling, grammar, and style checks, an embedded thesaurus, translation into 29 languages, rephrasing, device sync, distraction‑free mode, and offline operation with private cloud st
Freemium
- $12/mo
An AI paraphrasing tool that rewords up to 125 words per input with unlimited use. Offers ten modes, a synonym slider, AI thesaurus, export options, originality detection, browser extensions, and multilingual support for students, researchers, and professionals.
Subscription
KreativeSpace is an AI writing suite that enhances productivity by offering tools for summarization, grammar checking, paraphrasing, citation generation, AI detection, and translation, ensuring clarity and authenticity in writing across various platforms.
Free trial
BulkCorrector segments large documents into ChatGPT‑sized chunks to auto‑correct grammar, spelling, and punctuation in one workflow. It also supports bulk translation, custom prompts, a prompt library, and a ten‑session history log via a copy‑paste web interface.
Subscription
- $29
Hemingway Editor analyzes text for readability, highlighting long or dense sentences, adverbs, and passive voice, suggests simpler wording, and—via Editor Plus—adds AI-assisted fixes, advanced grammar checks and tone controls for faster revision.
Free trial