What is Riff?
Riff is an AI tool in the Writing category. Riff is a free Chrome extension that turns your rough point into a fresh reply for any post on X, LinkedIn, Facebook or Instagram. It uses Gemini Nano, the AI built into Chrome, so it runs on your computer with no account and no API key. It also answers DMs and drafts your own posts, and it never posts or sends for you.
What can you do with Riff?
- Beat the blank page with AI drafts for blogs, ads and essays.
- Rewrite for tone, clarity, grammar and length in one click.
- Check grammar, plagiarism and style across long documents.
- Repurpose one piece of content into posts, emails and summaries.
Pricing
Riff is completely free to use, with no subscription required to access its core features. You can start using it immediately without entering payment details.
Who is Riff best for?
Riff is best suited for writers, marketers, students and teams who produce text content regularly.
Pros and cons
✓ Pros
- Free to use — no subscription or credit card required
- Great way to explore AI capabilities at zero cost
✗ Cons
- Free tiers can have usage limits, queues or slower speeds during peak times
Verdict
If AI writing is what you're after, Riff is worth adding to your shortlist — compare its free tier and features against similar tools in our Writing category.
Try Riff ↗Top alternatives to Riff
- Jasper Paid
Enterprise AI marketing copilot for blogs, ads and brand voice content trained on your business.
- Grammarly Freemium
AI writing assistant checking grammar, tone and clarity everywhere you write online.
- Copy.ai Freemium
AI copywriter for marketing emails, social posts and sales workflows with GTM automation.
- Writesonic Freemium
AI writer for SEO-optimized blog posts, landing pages and ads with built-in factual article writer.
- QuillBot Freemium
Paraphrasing, summarizing and grammar tools trusted by millions of students and writers.
Riff FAQ
Is Riff free?
Yes — Riff is free to use. Its core features are available at no cost, with no subscription required.
What is Riff used for?
Riff is a free Chrome extension that turns your rough point into a fresh reply for any post on X, LinkedIn, Facebook or Instagram. It uses Gemini Nano, the AI built into Chrome, so it runs on your computer with no account and no API key. It also answers DMs and drafts your own posts, and it never posts or sends for you. It is listed in our Writing category alongside similar AI tools.
What are the best alternatives to Riff?
Popular alternatives in the Writing category include Jasper, Grammarly, Copy.ai and Writesonic. Compare their free tiers and features in our Writing category — see the alternatives list on this page.
Who should use Riff?
Riff is best suited for writers, marketers, students and teams who produce text content regularly.
Is Riff worth trying in 2026?
If AI writing is part of your workflow, Riff is worth adding to your shortlist — evaluate its free tier against the popular picks in our Writing category.