Free Writing & Text AI Tools

Bypassify is a writing platform with two products — an AI Humanizer that rebuilds AI-generated drafts to sound like the author while preserving citations and facts, and a Rewriter that improves grammar, clarity, flow and tone for users' own drafts.

Rephrasy is a web-based AI humanizer that converts AI-generated text into natural, human-like writing in one click, targeting students and professionals and advertising the ability to bypass common AI/plagiarism detectors.

LanguageTool is an AI-based writing assistant and grammar checker that detects grammar, spelling, punctuation, style, and casing errors across 30+ languages and offers an AI paraphrasing tool, editor, browser add-ons, desktop apps, and integrations for business and personal use.

Saga (WriteonSaga) is an AI-powered screenwriting and filmmaking platform that combines story development, scriptwriting, AI chat assistance, storyboard generation, and video/previz tools into a single workflow for writers, filmmakers, and teams.

Type.ai is an AI-powered writing editor and workflow built for long-form creative storytelling—books, novels, screenplays, and other narrative work—combining a feature-rich document editor with deeply embedded AI assistance and publishing/export tools.

ShyEditor is a web-based AI writing studio designed for novelists and long-form writers that combines a story-focused planning engine, a persistent project knowledge base, writing and revision tools, and AI critique and chat features.

Humanize AI is a web-based text humanizer that transforms AI-generated content into natural, human-voiced writing while offering related tools like plagiarism checking, AI detection, grammar correction, paraphrasing, and SEO-optimized article assistance.

InstaText is an AI-powered writing assistant that improves clarity, flow, word choice, and readability to help users write like native speakers across multiple languages and platforms.

AImReply is a free AI-powered email writer that generates, rewrites, and refines emails using configurable language, tone, and length settings and offers a Chrome extension for in-browser integration.

Moonbeam (gomoonbeam.com) is a web-based AI writing assistant focused on long-form content creation — essays, articles, blogs, guides and templates — powered by an AI called Luna and integrated GPT-4 features to help users draft, edit, and organize content faster.

WordHero is an AI-powered writing platform that generates SEO-optimized blog posts, long-form content, and images using advanced models (GPT-4o / GPT-4o-mini) and built-in SEO tools for marketers, business owners, writers, and teams.

HumanizeAI is a web-based AI text humanizer that transforms AI-generated content into more natural, human-sounding writing using multiple styles, local in-browser processing, and fast results for writers, marketers, students, and professionals.

Paraphrase Tool is a web-based AI writing assistant that paraphrases, composes, translates, and checks plagiarism in over 100 languages using multiple writing modes and AI-powered checks.

Automateed is an all-in-one online AI ebook creator and self-publishing platform that generates complete multi-chapter books, designs covers and layouts, exports PDF/EPUB/MOBI, and includes built-in publishing, checkout and payout workflows so authors can publish and sell ebooks, audiobooks, paperbacks and courses.

Sudowrite is an AI-powered writing assistant and creative suite built for fiction authors and novelists, offering tools to brainstorm, outline, write, edit, visualize, and get feedback to speed novel drafting and revision.

Engram is an AI-powered writing assistant optimized for non-native English speakers that offers grammar checking, paraphrasing, and translation (to English) in a single web-based toolset to improve clarity, style, and fluency.

WriteMail.ai is an AI-powered email writing tool that generates, replies to, and refines emails with customizable tone, style, and length to help professionals write faster and get more replies.

Undetectable's AI Essay Writer is a web-based tool that generates complete, human-like essays in seconds using AI and 'humanization' technology to bypass AI-detection tools, with multilingual support and tiered pricing (including a free trial).

ParagraphAI is a GPT-powered AI writing assistant app, web extension and keyboard that helps users draft, edit, translate and summarize text across devices with one-tap grammar correction, reply drafting, templates and real-time editing filters.

AI Letter Generator is a web-based tool that uses AI to create professional letters (cover letters, business letters, personal letters, thank-you notes, recommendations, and more) with multi-language support, professional formatting, and privacy-focused processing. Core features are offered for free with optional paid credits for a Text-to-Image function.

Tablo is an online authoring, print-on-demand and self-publishing platform that lets authors create, typeset, print and distribute books to over 40,000 retailers worldwide with plans starting at $9/month and a 14‑day free trial.

Prosed assembles a creator's existing newsletters, podcasts, posts, and notes into a publish-ready manuscript using a multi-stage pipeline (The Inkwell) and an editorial reviewer (Typo), delivered in a private portal for revision and export.

Regem AI Platform is a web-based content creation toolkit that provides AI-powered writing and image generation tools—like Pro Writer, Pro Image, Blog Ideas, and Rephrase AI—aimed at helping users create marketing copy, blog posts, emails, SEO titles, and images faster.

Rewrait is a native desktop writing layer that rewrites selected or dictated drafts in-place across apps using team-tuned styles and approved sources, designed for teams (support, sales, success, product) to produce on-brand, compliant writing.