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Riff
Free Chrome extension: fresh replies for every post, written on your computer by Chrome's AI
chrome extensionai writingsocial mediarepliesgemini nano
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Editor's Take
Curated by Startup List teamRiff is a free Chrome extension that helps you reply on X, LinkedIn, Facebook and Instagram. You paste your rough point. Gemini Nano, the AI built into Chrome, writes a fresh reply for that exact post. You read it, edit it if you want, and press send yourself.
Riff also answers your DMs in LinkedIn Messaging, Messenger on facebook.com and Instagram Direct, and drafts your own posts from rough notes. You set how it sounds: how smart, how salesy and how bold.
Everything runs on your computer. No account, no API key, no server and no monthly bill. Riff never posts or sends anything for you. Supports English, Spanish, German and French.
Key Highlights
1+ Views
Actively discovered by our community
0 Clicks
People actively trying this product
Social Media
Category classification
Listed Oct 2026
On Startup List since launch
Use Cases
Content Creation
Use Riff to generate blog posts, marketing copy, and SEO-optimized content at scale.
Team Productivity
Integrate Riff into your workflow to save hours every week.
Startup Operations
Give your startup the output of a much larger team with AI-powered automation.
Best For
- •Founders in Social Media who need a practical tool for execution
- •Teams that want faster output with less operational overhead
- •Operators looking for actionable insights and repeatable workflows
Riff FAQs
What is Riff best used for?
Free Chrome extension: fresh replies for every post, written on your computer by Chrome's AI
Is Riff suitable for early-stage startups?
Riff can be suitable for early-stage teams, especially when speed and focused execution matter more than large team complexity.
How does Riff compare to alternatives?
Compare Riff against alternatives on Startup List by reviewing category peers, pricing model, ratings, and use-case alignment.
Is this your product?
Claim this listing to update info, add screenshots, respond to reviews, and get a verified backlink to your site.
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| RiffThis | Social Media | free | — |
T TokPromo | Social Media | free | — |
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 Twitee | Social Media | free | — |
| Social Media | free | — |
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