# Replyfast > A Chrome extension that drafts three X replies in Friendly, Professional, and Humorous tones. Replyfast never posts on a user's behalf. ## Product - [Homepage](https://replyfast.uk/): Product overview and credit-pack pricing. - [For indie founders](https://replyfast.uk/for/indie-founders): X reply workflow for independent founders and early-stage builders. - [Changelog](https://replyfast.uk/changelog): Verified product updates. - [Privacy Policy](https://replyfast.uk/privacy): Data handling and processors. - [Terms of Service](https://replyfast.uk/terms): Product and purchase terms. ## Blog - [Blog](https://replyfast.uk/blog): Guides, comparisons, and practical resources. - [Replyfast vs Voxily: Which AI Reply Workflow Fits You?](https://replyfast.uk/blog/compare/replyfast-vs-voxily-ai-reply-generator): A practical Replyfast vs Voxily comparison for AI replies: platform coverage, drafting workflow, tone and persona controls, pricing boundaries, and manual publishing. - [How to Reply to X Posts Without Sounding Self-Promotional](https://replyfast.uk/blog/guides/how-to-reply-to-x-posts-without-sounding-self-promotional): A practical guide for indie founders to write useful X replies, mention their product naturally, and avoid turning every conversation into a sales pitch. - [5 AI X/Twitter Reply Generators to Compare in 2026](https://replyfast.uk/blog/compare/best-ai-x-twitter-reply-generators-2026): A transparent comparison of five AI X/Twitter reply generators, including workflow, reply control, and publicly listed pricing where available. - [Replyfast vs ThreadPilot: Which AI X Reply Generator Fits Your Workflow?](https://replyfast.uk/blog/compare/replyfast-vs-threadpilot-ai-x-reply-generator): A fair Replyfast vs ThreadPilot comparison for X/Twitter replies: workflow, configuration, pricing boundaries, publishing control, and who each tool may fit. - [Replyfast vs XRig: Which AI X Reply Generator Fits Your Workflow?](https://replyfast.uk/blog/compare/replyfast-vs-xrig-ai-x-reply-generator): An honest Replyfast vs XRig comparison for X/Twitter replies: workflow, tone options, model choices, pricing boundaries, and who keeps final publishing control. - [How Founders Can Use X Replies to Get Product Feedback](https://replyfast.uk/blog/guides/how-founders-use-x-replies-for-product-feedback): A practical workflow for solo builders to use X replies for product feedback: find relevant conversations, contribute first, ask narrow questions, capture patterns, and close the loop. - [How Indie Founders Can Find X Conversations Worth Replying To](https://replyfast.uk/blog/guides/how-indie-founders-find-x-conversations-worth-replying-to): A practical X search workflow for indie founders: find relevant public conversations, decide whether you have something useful to add, and keep replies human. - [How to Choose a Safe AI Chrome Extension for X](https://replyfast.uk/blog/guides/how-to-choose-safe-ai-chrome-extension-for-x): A practical checklist for evaluating an AI Chrome extension for X: official source, permissions, data handling, publishing controls, and support. - [What Is an AI X/Twitter Reply Generator?](https://replyfast.uk/blog/guides/what-is-an-ai-x-twitter-reply-generator): Learn what an AI X/Twitter reply generator does, how the drafting workflow works, what it should not do, and how indie founders can evaluate one. - [The X Reply Checklist for Indie Founders](https://replyfast.uk/blog/resources/x-reply-checklist-for-indie-founders): A practical checklist for indie founders before posting an X reply: check context, add value, keep your voice, verify claims, avoid spam, and retain final control. - [Replyfast vs ChatGPT for Indie Founders Writing X Replies](https://replyfast.uk/blog/compare/replyfast-vs-chatgpt-for-indie-founders): An honest comparison of Replyfast and ChatGPT for indie founders writing X replies: workflow, context, tone, review, and when each tool fits. - [How Indie Founders Can Write Better X Replies Without Sounding Like a Bot](https://replyfast.uk/blog/guides/how-indie-founders-write-better-x-replies): A practical guide for indie founders who want to write useful X replies, build real relationships, and use AI without losing their own voice. - [How to Write Professional X Replies Without Sounding Like LinkedIn](https://replyfast.uk/blog/guides/professional-x-replies-without-sounding-like-linkedin): A practical guide for indie founders who want to write clear, professional X replies without generic praise, inflated claims, or corporate filler. - [How to Write X Replies Without Sounding Like AI](https://replyfast.uk/blog/guides/use-ai-for-x-replies-without-losing-founder-voice): A practical AI reply workflow for indie founders: choose the angle yourself, add firsthand context, verify facts, and write X replies that still sound like you. - [5 X Reply Types That Help Indie Founders Start Real Conversations](https://replyfast.uk/blog/guides/x-reply-types-for-indie-founders): Five practical X reply types for indie founders: add context, ask better questions, name trade-offs, show specific empathy, and share a small experiment. - [25 X Reply Templates for Indie Founders (and When to Use Each One)](https://replyfast.uk/blog/resources/x-reply-templates-for-indie-founders): Twenty-five adaptable X reply templates for indie founders, grouped by use case, with guidance on how to make each reply specific and genuinely useful.