Best AI tools for grammar and proofreading

Anyword

Anyword is an AI copywriting tool for marketers, businesses, and content creators who need help drafting marketing copy faster. It can produce ads, emails, website copy, blog headlines, product descriptions, and Google Ads, with the goal of improving engagement and conversions.

ATS Resume Maker

ATS Resume Maker is a privacy-oriented resume builder that scores and optimises CVs for applicant tracking systems. It offers conversational AI editing, LinkedIn import, job-specific keyword tailoring, and optional browser extension for application auto-fill. A notable claim: data stays local on device rather than on vendor servers (verify in their privacy docs for your compliance needs).

AudioPen

AudioPen records or transcribes voice notes, then rewrites them into clear structured text: blog drafts, emails, meeting notes, and social posts. Unlike plain transcription, it removes filler, fixes grammar, and applies custom writing styles. Prime unlocks longer recordings, file uploads, SuperSummaries, Zapier/webhooks, and cross-platform apps including iOS, Mac, Android, and Chrome.

Caktus

Caktus AI is an all-in-one academic platform built for students, offering 40+ specialized tools for essays, STEM problem-solving, research, and study prep. Its proprietary Eguana model (developed with Multimodal) is fine-tuned on academic data for citation-aware writing, step-by-step math solutions, and subject-specific assistants. The platform positions itself as a learning aid rather than a generic chatbot, with tools for flashcards, humanizing AI text, and interview prep.

ChatGPT

ChatGPT is OpenAI's flagship conversational AI, available on web, mobile, and desktop. It handles writing, coding, research, image generation, voice chat, and agentic tasks through a single interface. Paid tiers unlock frontier models, higher usage limits, Codex coding agents, Deep Research, Sora video, and team admin controls. It remains the default general-purpose AI assistant for most consumers and many businesses.

Cleanvoice AI

Cleanvoice AI automates podcast and audio/video post-production: it removes filler words, background noise, mouth sounds, stutters, and dead air in minutes. It also offers studio-sound enhancement, transcription, summaries, show notes, and an API for pipeline integration. Target users are podcasters and audio engineers who want to cut multi-hour manual edits.

Conductor AI

Conductor is an enterprise SEO and AEO platform for large organizations managing organic search and AI-search visibility at scale. It combines content creation (Writing Assistant), keyword/page intelligence, AI search performance tracking across major LLM engines, site health monitoring, and workflow automation (AgentStack). Unlike self-serve SEO tools, Conductor is sales-led with unlimited users and usage-based pricing.

Contents.com (Contents.ai) is a generative AI platform for marketing teams to create SEO articles, ad copy, social captions, product descriptions, AI images, translations, and audio content. It combines 60+ AI writing tools, brand voice workspaces, team collaboration, and optional human proofreading services. Strong in European markets with premium language support for EN, ES, FR, DE, IT, and Brazilian Portuguese.

Copy.ai

Copy.ai has evolved from an AI copywriting tool into a Go-To-Market (GTM) AI platform for marketing, sales, and ops teams. The self-serve Chat plan offers multi-model AI writing (OpenAI, Anthropic, Gemini); higher tiers add Workflow automation with credit-based runs for prospecting, content pipelines, CRM enrichment, and ABM. Trusted by 17M+ users per vendor; enterprise customers include Siemens, ServiceNow, and Thermo Fisher.

Cowriter

CoWriter AI (cowriter.ai — not to be confused with Co:Writer Universal at cowriter.com, an assistive literacy tool by Everway) is an AI writing copilot built for students, researchers, and academic professionals. It combines AI drafting with citation generation (APA, MLA, IEEE, Chicago), plagiarism detection, grammar/style correction, autocompletion, and “AI detection proof” positioning. Developed by ProtonLabs Technology Inc. (team behind AskYourPDF); claims 100K+ student users.

DeepL

DeepL is a neural machine translation service widely regarded as producing more natural, context-aware translations than most competitors—especially for European language pairs. It covers text, document, and real-time voice translation, plus DeepL Write for text improvement. Available via web, desktop, mobile, browser extensions, and a developer API.

DeepSeek

DeepSeek is a Chinese AI lab whose current flagship models, DeepSeek-V4-Flash and DeepSeek-V4-Pro, compete with GPT-5 and Claude-class models on coding, reasoning, and general tasks at a fraction of the API cost. The free chat interface at chat.deepseek.com offers both models (Flash as "Instant Mode," Pro as "Expert Mode"), while the API provides OpenAI- and Anthropic-compatible endpoints for developers. Both models are open-weight under an MIT license and available for self-hosting via Hugging Face.

Code & DevDetails →

Descript

Descript treats audio and video editing like editing a document—you change the transcript and the media updates to match. Founded by Andrew Mason (Groupon), it combines text-based editing with AI tools for transcription, audio cleanup, filler word removal, and video generation. Used by 6M+ creators, podcasters, and video teams who want faster post-production without traditional timeline complexity.

Gamma

Gamma is an AI-powered design platform for creating presentations, websites, documents, and social assets from a single prompt. Users describe an idea and Gamma generates polished, editable decks and pages with layouts, images, and copy. It targets professionals who need fast, good-looking output without starting from a blank slide or page.

Gemini

Gemini is primarily used as a versatile, multimodal AI assistant and productivity tool developed by Google to generate text, code, images, and analyze information across various formats. It serves as a creative partner and research tool, deeply integrated into the Google ecosystem (Workspace, Android, Search) to enhance productivity

Grammarly

Grammarly is an AI writing assistant for grammar, spelling, tone, clarity, and generative text across web, desktop, and mobile. It now operates under the Superhuman suite (alongside Superhuman Mail and Coda). Pro replaces the former Premium and Business plans for individuals and teams up to 149 seats, adding plagiarism detection, AI-text detection, and team style controls.

Marketing & SalesDetails →

Grok

Grok is a real-time, live-data AI assistant built into X that is best for news junkies, crypto traders, and creators who need up-to-the-second global trends, unfiltered image generation, and native slide-deck creation.

HyperWrite AI

HyperWrite is an AI writing assistant by OthersideAI featuring predictive TypeAhead autocomplete, a context-aware writing chat, hundreds of specialized tools, and a Chrome extension that works across Gmail, Google Docs, and the web. It combines real-time research with citations for factual content generation and offers custom personas to match user writing style.

Jasper AI

Jasper AI is an enterprise marketing content platform providing brand voice enforcement, campaign templates, marketing agents, and team collaboration workflows. Unlike raw LLM access, Jasper orchestrates multiple language models behind a marketing-specific layer with Canvas editor, IQ brand customization, and approval workflows. Positions as a team marketing OS, not a solo writing tool.

Krisp

Krisp is an AI-powered voice and meeting platform that removes background noise and echo from calls, provides unlimited AI note-taking and transcription, and offers accent conversion for clearer communication. It runs as a desktop app and browser extension across Zoom, Teams, Google Meet, and other platforms, with separate product lines for meeting AI and call center AI.

LanguageTool

LanguageTool is a multilingual grammar, spelling, style, and paraphrasing checker supporting 30+ languages and dialects. It runs as browser extensions, desktop apps, and integrations for Gmail, Google Docs, Word, and more. Premium adds advanced checks, higher character limits, unlimited AI paraphrasing, and team management features.

Manus AI

General-purpose autonomous AI agent that executes multi-step tasks including research, code writing, data analysis, website building, and slide creation. Runs on Manus 1.6 model family with browser, code, and file tools.

Murf AI

AI voiceover and text-to-speech platform with 200+ voices across 20+ languages. Studio for content creation plus separate Falcon API for developers needing low-latency TTS.

Voice & AudioDetails →

Nova AI

Cross-platform AI chatbot and personal assistant aggregating multiple AI models, available on web, iOS, Android, macOS, and Apple Watch for writing, homework help, proofreading, and general Q&A.

Othersideai

Your Personal Writing Assistant. HyperWrite/OthersideAI provides suggestions and sentence completions to improve your writing, wherever you write.

Paraphraser

Paraphraser.io is a free online paraphrasing tool that rewrites text while preserving meaning, with 10+ modes for fluency, academic tone, creative writing, and shortening. It also offers plagiarism checking, grammar checking, summarization, AI humanizer, and speech-to-text paraphrasing. The product targets students, bloggers, and marketers who need fast rewrites without plagiarism.

Perplexity AI

Perplexity AI is an AI-powered answer engine that combines live web search with large language models and shows numbered citations for every response. It supports Pro Search for multi-step research, Deep Research reports, file uploads, model selection, and Perplexity Computer for agentic tasks on Max. The product targets anyone who needs sourced answers faster than manual search.

PicSo

PicSo is a mobile-first AI art generator that turns text prompts into images across many art styles, including anime, portraits, and fantasy. It supports creation and editing workflows with cross-device sync between phone and PC. The Pro subscription unlocks premium styles, priority queue, and monthly credits.

Puzzle

The AI-powered glossary for your community and customers. Bring clarity to your product, service, and community with a superpowered glossary.

AI ChatbotsDetails →

Quazel

Learn a language through natural conversation.

EducationDetails →

Quillbot

QuillBot is an AI writing platform offering paraphrasing, grammar checking, plagiarism detection, AI detection, humanization, summarization, and citation tools. Used by 35M+ writers, it spans students, professionals, and content creators through browser extensions and desktop/mobile apps.

Rephrasely

Rephrasely is an AI paraphrasing and writing platform offering 18 paraphrase modes, plagiarism checking in 50+ languages, translation in 100+ languages, and AI-powered text generation. Operated by Rephrase Media, it is a separate product from Rephrase.ai (video avatars).

ResuFlex AI

ResuFlex is an AI-powered resume builder and job search platform with Magic Enhance tailoring, ATS scoring, cover letter generation, and a Kanban-style application tracker. Also available as an iOS app (PDF Resume Builder - ResuFlex) with local PDF rendering and iCloud sync.

Simplified

Simplified is an all-in-one AI marketing platform combining design, video, copywriting, social scheduling, and agentic campaign workflows. Users brief AI agents once and receive finished campaign assets—social batches, email sequences, ad creative—in brand voice for review before publishing.

Typewise

Boosting customer service and sales productivity. Our powerful AI solutions save time & improve communication for both users and companies. Book a demo today!

AI ChatbotsDetails →

Wispr Flow

Wispr Flow is an AI-powered voice dictation tool designed to replace traditional typing across all applications. Founded in 2021 and headquartered in San Francisco, the company raised $12M in September 2024 (total funding: $26M) to launch this productivity tool. It claims to be up to 3x faster than typing with 90% zero-edit accuracy, supporting 100+ languages with automatic detection and context-aware transcription that adapts to different apps (formal for emails, casual for Slack).

Voice & AudioDetails →

WordAI

WordAI is an AI text rewriter that uses advanced machine learning models to provide high-quality rewriting. It restructures sentences while preserving meaning to generate unique content that is indistinguishable from human writing. The platform offers bulk processing, API access, and features designed to bypass AI content detection tools.

WordfixerBot

WordfixerBot is an AI-powered paraphrasing tool designed to help users quickly and accurately rephrase text while preserving the original meaning. It uses modern AI models to produce human-like text output with ten different tone settings. The platform also includes grammar checking, text summarisation, and text comparison tools.

WordHero

WordHero is an AI content writing tool powered by GPT-4o and GPT-4o mini. It offers one-click blog creation, SEO optimisation, AI image generation (WordHero Art), and support for 108 languages. The platform is designed for business owners, marketers, writers, and content creators requiring efficient content production.

Research & SearchDetails →

WordSmith

WordSmith provides AI automation for corporate legal groups, serving as "the legal front door that does the work" by capturing, triaging, resolving, and recording business requests. The platform uses AI agents to handle contract review, drafting, and legal Q&A, reducing the workload on legal teams.

Writecream

Writecream is an AI SEO/GEO Writer platform featuring 75+ AI tools. It offers an autonomous SEO agent named Lexi for researching, drafting, and optimising content, plus tools for ads, cold outreach, and visuals. The platform generates high-converting content for sales, marketing, and support in minutes.

Writely

Writely AI is a writing assistant that uses AI to help users draft content, overcome writer's block, and improve their writing. It offers features like WritelyCHAT for prompts and ideas, expansion commands to turn notes into paragraphs, and grammar checking. However, reviews indicate it struggles with AI detection despite "humanise" claims.

Writer

Writer.com positions itself as the only end-to-end enterprise AI platform specifically built for large organisations with complex compliance, brand consistency, and governance needs. Unlike competitors focused on creative content generation, Writer specialises in AI infrastructure that enforces organisational rules at scale. It sells to IT and operations buyers at regulated companies where brand consistency and compliance control justify premium pricing.

Writesonic

Writesonic has transformed from a simple AI writing tool into an "AI Search Growth Engine" — a complete platform for tracking and optimising brand visibility across AI search platforms. It monitors brand presence across 10+ AI platforms (ChatGPT, Gemini, Claude, Perplexity, etc.) and provides actionable recommendations to improve visibility in AI-generated answers.