AI Browser Extension For Social Media Replies
ReplyFast generates perfect responses for X/Twitter, LinkedIn, and Reddit in seconds
See How ReplyFast Works in 60 Seconds
Watch how our AI-powered extension helps you generate perfect social media responses
How ReplyFast Works - Just 3 Simple Steps
Install Extension
Add ReplyFast to Chrome with one click. Free to get started.
Browse Social Media
Visit X/Twitter, LinkedIn, or Reddit. The ReplyFast icon will appear automatically.
Generate Responses
Click the ReplyFast button to instantly create the perfect response.
Common Questions
What exactly is ReplyFast?
ReplyFast is a Chrome extension that uses AI to generate high-quality social media responses in seconds.
Which platforms are supported?
Currently X/Twitter, LinkedIn, and Reddit, with more platforms coming soon.
Is it really free?
Yes! We now offer our Ultra plan features for free, including 8000 AI replies monthly.
Do I need to create an account?
Yes, you need to create an account to use our service. Account setup is required for all plans.
Platforms We Support
ReplyFast works seamlessly across these major social media platforms
X/Twitter
Generate engaging tweets, replies and DM responses
Create professional posts, comments and connection messages
Write relevant comments tailored to specific subreddits
Coming Soon: Support for Instagram, Facebook, Discord, and more platforms!
Key Features
Everything you need to create perfect social media responses
AI-Generated Posts
Create high-quality content for multiple platforms with just a few clicks
Smart Comments
Generate intelligent, engaging comments that match each platform's style
Direct Messages
Respond to DMs with personalized content that fits conversation context
Personal Style
Train AI to learn your personal style to create content with your unique voice
Multi-Language
Generate content in multiple languages to reach global audiences
Emoji Controls
Toggle emojis on/off for complete control over your communication style
Simple Pricing
Choose the plan that works best for your social media needs
Free
Ultra features for everyone
Full Ultra plan features for free!
- 8000 AI replies/month
- 30 Promoted products
- Multi-language support
- Full configuration options
- Priority support
- Advanced configuration
Plus
For casual users
3-day free trial
- 1000 AI replies/month
- 3 Promoted products
- Multi-language support
- Basic configuration
Pro
For active users
3-day free trial
- 3500 AI replies/month
- 10 Promoted products
- Multi-language support
- Customizable reply style
- Priority support
Ultra
For power users
3-day free trial
- 8000 AI replies/month
- 30 Promoted products
- Multi-language support
- Customizable reply style
- Priority support
- Advanced configuration
Ready to Transform Your Social Media Engagement?
Join thousands of users who are saving time and creating better content with ReplyFast