Letter Writing Assistant
The best 50 Letter Writing Assistant AI tools - Free & Paid
Explore 50 AI for Letter Writing Assistant
Write AI is an advanced writing tool that uses machine learning to replicate human-like writing and overcome writer's block, with a free trial and cancellation at any time.
Free trial
ProWritingAid is an AI writing assistance tool that offers suggestions for grammar, style, and improvement with the touch of a button.
Freemium
ParagraphAI offers real‑time grammar correction, one‑tap email drafting, and instant summarization of web pages and PDFs. It provides multilingual translation, customizable tone filters, a template library, and an instruction engine for repetitive tasks across mobile, desktop, and Chrome.
Free
Co-Writer is an AI-powered platform that enhances creative writing speed and offers various tools for writing, marketing, emails, and soon coding in a secure and private environment suitable for personal and professional use.
Freemium
Lex.Page is an AI-powered writing assistance tool that offers a Google Docs-style editor, advanced writing suggestions, and a distraction-free environment to help users write faster and more accurately.
Unknown
Writier is an AI writing assistant that quickly generates sentences, paragraphs, and headlines in over twelve languages. Built on GPT‑3, it supports tone customization, creative control, auto‑save, cloud project tracking, Grammarly‑integrated grammar checks, and PDF export.
Free
Quillword is an AI-driven writing and research assistant that enhances academic efficiency with features like autocompletion, paraphrasing, citation support, collaborative tools, and automated content generation for essays and professional communications.
Free trial
GhostWrite generates draft emails from concise prompts, offering subject‑line suggestions and template recognition. Users preview, edit, and approve drafts, while the system learns from edits to improve future suggestions. No auto‑sending; secure, lightweight web interface.
Freemium
AI Cowrit is a writing tool that suggests words and phrases as you type, helping you write faster.
AI Email Writer uses OpenAI models to draft concise, persuasive emails. Users select preset prompts or create custom ones, then personalize with brand details. It suggests subject lines, edits tone, length, grammar, and translates into 36 languages.
Subscription
This AI tool is a free online writing assistant with advanced features to enhance writing skills and prevent plagiarism.
Freemium
Dear Ai is an AI-powered tool that simplifies letter writing by providing personalized templates and tone control. With features like scheduling and upcoming integrations for social media and handwritten cards, it saves time while maintaining authenticity.
Freemium
Write with AI in any app using the latest deep learning models.
Freemium
Voilà AI Assistant is a cross‑platform browser extension, desktop, and mobile app that uses GPT‑5 to summarize, rewrite, translate, and auto‑reply to emails, chats, PDFs, spreadsheets, and YouTube transcripts, while correcting spelling, grammar, tone and generating images from text.
Freemium
- $10/mo
AI Perfect Assistant adds ChatGPT, Gemini, Claude, and 60+ LLMs to Office 365 apps, delivering real‑time grammar, style checks, drafting, summarization, translation, and formula generation to streamline writing, analysis, and teamwork across Word, Excel, PowerPoint, Outlook, Teams, and OneNote.
Freemium
Hyperwrite is an AI-powered writing tool available as a free Chrome extension that generates original paragraphs and helps overcome writer's block, increasing productivity for professionals, students, and creators worldwide.
Free
Jenni.ai is an AI-powered writing assistant that helps you create high-quality content quickly and efficiently by generating ideas, organizing thoughts, researching topics, essay writing, grammar and spelling corrections, sentence structure and flow.
Free
AI‑Writer.com generates concise, cited answers to academic questions from 100 million open‑science papers, shows source paragraphs, offers BibTeX, supports APA/MLA/Chicago, and lets users build structured reviews via drag‑and‑drop and download them as HTML.
Subscription
- $49
Allwrit is an AI-powered writing assistant tool that simplifies email, blog post, and essay writing without being flagged by AI detector tools.
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
WandPen is an AI rewriter that improves writing efficiency and clarity for emails, sentences, and phrases. Its Chrome extension offers instant rewriting capabilities and various AI models for personal and professional contexts within a distraction-free interface.
Freemium
Writekit plugs into editors to generate content, expand ideas, and support real‑time collaboration. It learns your brand voice from existing material, adapts over time, offers multi‑user drafting, dark mode, 20+ languages, and rapid AI‑generated transitions, streamlining workflow.
Subscription
- $19/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
Writetone is an AI writing assistant that transforms tone, paraphrases, summarizes, and corrects grammar for academic, business, and creative writing. It includes an AI tutor, citation generator, and supports Chrome, Word, and API integration.
Freemium
CoPilot is an AI writing and research assistant that can help with various tasks such as research, writing, and searching. It integrates with Gmail, Twitter, and LinkedIn and boosts productivity up to 20 times.
Free trial
Letterpal is an AI‑driven newsletter generator that surfaces relevant topics from curated news, web, Google, and RSS feeds, then writes complete articles in bullet or long‑form. Its Notion‑style editor supports multilingual editing and export to HTML or major newsletter platforms.
Free trial
- $29/mo
Writer's Brew is an AI-assisted writing tool that helps users improve and speed up their writing process.
Freemium
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
Boost your email writing efficiency with Email Whisperer, an AI tool for Gmail and Outlook. Enhance clarity, fix errors, and personalize your tone for error-free, customized emails. Speed up your workflow and automate email composition effortlessly.
Freemium
Titan is a GPT-3 add-in for Microsoft Word that allows users to access the power of GPT-3 to transform their writing with just a few clicks.
Free
Writefull X is an AI writing suite for academia, offering title and abstract generators, a paraphraser, and an Academizer that converts informal text into formal scholarly language. It integrates with Word and Overleaf for real‑time editing and encrypts data for privacy.
Free
AI Writer offers AI‑powered tools to generate articles, blogs, captions, emails, and ads. Set tone, character limits, and platforms for titles, outlines, and meta descriptions. Built‑in expand, shorten, paraphrase, summarize, grammar, keyword, and translation features streamline editing and ensure q
Free
MagickPen is an AI writing assistant powered by ChatGPT that generates articles, outlines, summaries, social‑media copy, code, translations, and more in seconds. It offers fast and advanced engines, 90+ templates, multilingual support, and web‑search integration for up‑to‑date content.
Free trial
- $19/mo
Kerlig is a macOS‑native AI assistant that edits, proofreads, summarizes, and generates content across apps via a hotkey. It supports 350+ cloud and local models, custom presets, and works with PDFs, Word, and web pages.
Paid
- $27
The Obituary Writer creates personalized obituaries quickly via a form with date pickers and dropdowns, generating polished text and design templates for printing or sharing, with clipboard copy and email assistance.
Freemium
HowToWrite is an AI writing assistant that generates customized content for various categories like cover letters and weddings vows. It offers free instant revisions and features for easy downloading, emailing, and auto-saving documents.
Freemium
Writerly is a cloud‑based AI writing platform that lets users generate, edit, and publish varied content using fine‑tuned templates, brand‑compliant prompts, and real‑time collaboration. It supports API integration, bulk CSV batching, and scalable permissioning for teams.
Subscription
- $69/mo
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
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
Flot AI integrates GPT‑4 into any desktop app or website, offering real‑time text generation, outline creation, and grammar correction via highlights or shortcuts, while storing notes, memos, and translations in a cross‑device searchable knowledge base across 200 languages.
Subscription
- $15/mo
PenPilot AI is a versatile writing assistant for copywriters, marketers, academics, and content creators. It generates long‑form articles, outlines, SEO metadata, newsletters, and video scripts, with customizable personas, voice‑to‑text, PDF editing, plagiarism checks, and readability analysis.
Freemium
Blainy is an academic writing assistant for students, researchers, and faculty that speeds manuscript planning and drafting with a searchable research library, outlining, AI autocomplete, paraphrase tools, citation management, Chat-to-PDF, and export/revision support.
Freemium
- $12/mo
Magic AI is a free AI tool that assists with writing tasks using text expansion, autofill, and data extraction features.
Freemium
Writefull delivers AI‑driven language checks, paraphrasing, and style guidance for academic writing. It integrates with Word, Overleaf, and standalone apps, generating titles, abstracts, and LaTeX code while protecting data privacy and confidentiality.
Freemium
EssayWriter is an AI‑powered platform that drafts, edits, and checks essays, offering real‑time writing assistance, integrated academic database citations in APA/MLA/Chicago, plagiarism detection, and PDF/DOC export for students, educators, and researchers.
Free
JotBot is an AI document assistant that autocompletes text, identifies sources on the fly, and summarizes PDFs or websites inside a word processor. It drafts in your style, enables quick edits, and lets you chat for research or citations.
Free
Write Minimal offers a distraction‑free editor with inline formatting, AI‑assisted organization, summarization, and one‑click content transformation for blogs, tweets, and LinkedIn. It streamlines drafting, structuring, and repurposing for authors and marketers.
Free
Handwrytten automates handwritten note distribution by letting users draft messages, choose from 100+ card designs or create custom stationery, and send authentic pen‑robot reproduced notes with first‑class postage to 190+ countries via Salesforce, HubSpot, Shopify, Zapier, and Make.
Paid
- $3.75