Best 178 Letter Writer Tools in 2025

OnlineCV is a digital platform that empowers individuals to efficiently craft and personalize high-quality resumes and cover letters through a range of templates and AI-generated recommendations. This tool is designed to serve job seekers from diverse backgrounds and industries, equipping them with features that elevate their application documents and improve their prospects of securing employment.

Genie AI is your very own personal AI chatbot assistant, equipped with a range of cutting-edge AI models to handle tasks like chatting, writing, and coding. This advanced AI technology allows Genie AI to assist you efficiently across multiple functions.

Rephrase is a writing tool for macOS designed to boost your writing quality in different applications. It offers grammar corrections, style enhancements, and translation options with a simple hotkey press.

Welcome to WayStars AI, the cutting-edge AI platform revolutionizing how individuals, creators, and businesses utilize artificial intelligence. With a robust suite of tools powered by top integrations like OpenAI, Claude AI, Grok AI, ElevenLabs, Stability AI, and more, WayStars AI offers seamless access to high-performance LLMs and advanced utilities for writing, coding, designing visuals, cloning voices, and transcribing content. Enjoy 19 free LLMs, including DeepSeek R1, Meta Llama 4 Maverick, Gemini 2.0 Flash, and more, from Day 1 without any initial investment. At the core of WayStars AI is TronBot, an intelligent engine and universal AI assistant with nine specialized assistants for various fields. Use Trons as currency to engage in productive chats, access over 137 prompt-engineered templates with the Writer, generate real-time code with Coder, and more. WayStars AI seamlessly integrates content, code, voice, image, and compliance for a comprehensive AI experience.

Hemingway Editor is a writing tool created to improve the clarity and brevity of your writing by identifying complex sentences, grammatical errors, and readability scores.

Olivia AI is a flexible AI assistant platform that enables quick access to various AI models for chatting, research, and tools, improving user experience with personalized interactions.

AISento is a marketplace where you can find and hire AI agents for various tasks or integrate them into your workflows. It is designed for entrepreneurs, teams, and anyone interested in using AI technology. AISento offers a wide range of AI agents that can assist with customer support, lead generation, copywriting, research, and more. Key features of AISento include the ability to browse agents by use case or industry, built-in tools and integrations for easy deployment, a continuously expanding marketplace, and a user-friendly interface for quick agent deployment. Whether you are a small business owner, solopreneur, or developer seeking automation solutions, AISento makes it easy to leverage the power of AI without any complications.

DeepSeek Nederlands offers a complimentary live chat feature with the DeepSeek AI assistant, which is driven by the advanced DeepSeek-V3 language model. This service is available without the need for registration, providing users with instant access to valuable assistance.

Polish UnitText is an AI copy editor that offers peer reviews and improves the quality of journal articles, blog posts, and professional communications while maintaining the author's original voice. It employs a structured writing approach similar to unit tests for software to enhance authenticity and clarity in different types of written content. Additionally, it seamlessly incorporates relevant LSI keywords that are in line with the article's topic.

The Rework Nova AI Toolkit is an all-encompassing platform that combines a range of AI tools for tasks such as writing, researching, sending emails, creating diagrams, and processing PDF files. The toolkit offers a comprehensive solution for users looking to enhance their productivity and efficiency.

ApplyEngine.AI streamlines job applications with AI, auto-filling forms and customizing resumes.

Polish Stylus is a Chrome extension from OpenAI that helps with email writing and generates fast responses. It also incorporates relevant LSI keywords to enhance the content.

Athena, an AI-powered browser extension, boosts search features for ad-free, detailed results.

Resala is a comprehensive AI assistant that can handle various tasks such as answering questions, composing emails, reading articles, performing searches, and generating media content.

Enhance an AI content generator designed to craft blog posts, SEO articles, news pieces, and other content while preserving its fundamental meaning and structure. Ensure impeccable grammar and seamlessly incorporate LSI keywords pertinent to the subject matter.

Search AI Hub is a comprehensive platform that aggregates all search results, supporting AI search (CHATGPT, Kimi, Zhipu, Mitata, etc.) and traditional search engine comparisons.

An essential tool for enhancing communication with AI technologies

DisputeAI is an innovative platform that leverages artificial intelligence to help consumers generate legally robust dispute letters based on consumer protection laws like FDCPA, FCRA, and CFPB. The platform automates the process, enabling users to take control of their financial futures by correcting inaccuracies in their credit reports and protecting their rights against harassment from debt collectors.

Generate personalized cover letters from LinkedIn job listings with AI

ETENUS-MVP is a platform designed to automate various tasks and software on the internet using artificial intelligence. It helps users easily save and execute their automations at any time, enhancing overall efficiency and productivity.