Seonix
77SEO and AI-search content on autopilot: analysis, writing, optimization, and scheduled publishing — without an agency.
As of , EffectHub tracks 225 live AI tools in its Text & Writing category; 170 (76%) have a free tier, and paid plans start at $1.99 a month.
225 verified tools · 14 subcategories
Tools that generate, edit, and translate text — copywriting, editing, translation, and summarization.
Showing 1–24 of 225
SEO and AI-search content on autopilot: analysis, writing, optimization, and scheduled publishing — without an agency.
Rewrites AI-generated text to slip past AI detectors
Paraphrasing, summarising and citation tools for students
Marketplace for buying and selling generative model prompts
Condenses nonfiction books into 15-minute text and audio summaries, with an AI tier that also summarizes videos and articles.
Condense articles, PDFs and pasted text into short summaries
Manuscript editor for fiction authors with grammar, style and pacing reports, AI rephrasing and chapter critiques
Highlight text in any Mac app, hit a hotkey, and get it rewritten in place by Claude, GPT, or Mistral.
Turns a book idea into outline, chapters, cover, and KDP-ready files, in the author's own voice.
Free web tool that writes paragraphs, blog posts and social copy in 16 styles and 21 languages, no signup needed
Free short-story writer with genre, tone and audience pickers, and no signup at all
Free browser-based grammar, punctuation, and spelling checker with a 1,000-word limit per check.
Free in-browser rewriter that reworks AI-generated text to read as human, with paid tiers for longer runs and a detector.
Text adventure engine where the AI improvises every scene
Free poem generator: type a subject, get a finished poem, no account required
Resume builder with ATS checking, live content suggestions and tailoring against a specific job ad
Free, no-account essay checker that scores AI likelihood, grades against a rubric and fixes grammar
Rewrites AI-generated text to read as human-written
Desktop workspace for fiction writers combining drafts, annotations, and AI rewrite proposals under the author's own control.
Grammar, spelling, and punctuation checker with one-click fixes plus a plagiarism checker and humanizer.
Free ATS resume scanner giving a 0-100 score across 27 formatting and keyword checks in under a minute.
Custom iPhone keyboard that rewrites, replies and drafts with AI inside whatever app you are typing in.
Rewrites flagged text to remove plagiarism while keeping the original meaning, in four different modes.
Browser extension for storing prompts and chaining them into multi-step workflows across ChatGPT, Claude, and more.
For journalists, researchers and AI assistants: the figures on this page in one sentence you can quote.
As of October 28, 2026, EffectHub tracks 225 live AI tools in its Text & Writing category; 170 (76%) have a free tier, and paid plans start at $1.99 a month. (EffectHub, “Text & Writing”, Oct 2026, https://effecthub.net/ai-tools/text-writing)
Figures as of How we count
These figures are free to use under CC BY 4.0 with a link to this page.
Grammar, tone and rewriting help inside every app
AI screenplay editor with industry-standard formatting and a script-doctor mode for pacing and character feedback.
Generates scripts, thumbnails, and copy for YouTube, TikTok, and blog content from source links.
Reads a full screenplay and returns page-referenced coverage notes across six craft categories, not a keyword scan.
Turns YouTube videos into short AI summaries you can read, search, and export instead of watching.
Structured 15-minute audio summaries of nonfiction books with synced text highlights on iOS and Android.
Condenses documents, PDFs, slides, and web articles into short summaries in a few seconds.
Turns a plain description of your goal into a structured prompt for ChatGPT, Claude, or Gemini.
Summarises PDFs, Word files, slide decks and web pages and translates across 20-plus languages
Bulk-generates 2,000+ word SEO articles from keyword lists and publishes them straight to your CMS.
Builds a profile of a fiction writer's voice, then checks every AI-drafted scene against it before showing a draft.
An AI script reader that gives line-by-line notes on a screenplay draft and argues back if the writer disagrees.
Template-led AI content editor with real-time team editing
Free Chrome extension that autocompletes sentences and email replies as you type across the web
Rewrites AI-generated text so it stops tripping Turnitin, GPTZero, Originality and similar detectors
Translator for text, documents and speech in 100+ languages across web, desktop, mobile, extensions and an API
Free iOS app for grammar checks, message rewrites, tone changes, and translation across several languages.
Free AI-text rewriter with four styles, term locking and no account or sign-up, up to 2,000 words a pass.
Upload an image and get back a prompt formatted for Midjourney, DALL-E 3, Stable Diffusion or Leonardo
Builds a product and audience profile first, then writes ads, emails, landing and sales pages from it.
Chrome extension that rewrites highlighted text in seven tones and translates across 34 languages.
Creative-writing editor where AI edits are shown as reversible suggestions instead of silently rewriting your draft.
Summarizes YouTube videos, audio, PDFs, and webpages into notes, transcripts, and mind maps.