# Riff

**Source:** https://www.startuphub.ai/organizations/riff-ai-reply-writer
**Profile type:** Startup

> Free Chrome extension that drafts replies, DMs and posts on your device with Gemini Nano.

## About

Riff is a free Chrome extension that helps users craft replies, DMs, and posts on social media platforms like X, LinkedIn, Facebook, and Instagram. It utilizes Gemini Nano, an AI integrated into Chrome, to generate fresh content based on a user's input. The extension operates entirely on the user's device, ensuring privacy and that the user always has final control over sending messages.

## Key facts

- **Slug:** riff-ai-reply-writer
- **Website:** https://riffreply.com
- **Operating status:** Active
- **Sectors / tags:** Generative AI, AI Tool, Consumer App, Chrome Extension, Social Media Tool
- **Social:**
  - LinkedIn: https://linkedin.com/in/mikezima

## StartupHub.ai scores

- **Ahrefs DR:** 25/100
- **Agent Readiness:** D (54/100)
- **Site Speed:** 75/100
- **Data Trust:** 74/100

## Tech stack

Detected on riffreply.com, last scanned 2026-10-20.

- **CDN:** Cloudflare
- **Email provider:** Google Workspace

## JSON-LD

Structured data aligned with this page's `<script type="application/ld+json">` (included when the profile is server-rendered).

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