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Replyfast

Replyfast

Write better X replies in seconds, in your own voice

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Replyfast is a Chrome extension for people who want to join more conversations on X without sounding generic. Open any post, choose Friendly, Professional, or Humorous, and get three reply drafts shaped around your profile and positioning. Edit the one you like, paste it into X, and make it yours. Replyfast never posts on your behalf.

Replyfast makers

Here are the founders, developers, designers and product people who worked on Replyfast

Leo WangSolo builder
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