Your Voice.
Instant Replies.
AI-powered replies that sound like you, not a bot. 6 unique tones. Your persona. Your API keys.
Works on Chrome, Brave, Edge & all Chromium browsers · No account required
What Redditors Say
Real Users, Real Replies
See why Redditors love RedSutra
"Finally, Reddit replies that still sound like me. I comment on Reddit a lot, but most AI-written replies are instantly recognizable and usually get ignored. RedSutra is the first extension that actually helps without making me sound like a bot."
"The Actually tone gets the 'well, actually...' vibe right without being unbearable. Roast tone is funny without being cringe. Hot Take makes it easy to take a stance. Appreciate the BYO-key setup."
6 Unique Tones
Pick Your Vibe
Match your reply style to any thread. Each tone is crafted to sound natural, not robotic.
Pure energy and support. For wins and struggles alike.
Playful burns without being mean. Funny without being cringe.
Bold opinions that spark conversation. Take a stance.
Gentle corrections with context. The "well, actually" without being unbearable.
Thoughtful follow-up questions that show genuine curiosity.
Helpful, structured responses. Clear answers with context.
Simple Setup
Start Replying in 2 Minutes
No account needed. No complicated setup.
Install Extension
Add RedSutra to Chrome in one click. Works on Brave, Edge, and all Chromium browsers.
Add Your API Key
Paste your Gemini (free!), OpenAI, or xAI key. Your key stays on your device.
Generate Replies
Click the RedSutra button on any Reddit post. Pick a tone. Edit and post.
Why RedSutra
Built for Redditors
Bring Your Own Key
Use your own API keys. No middleman, no subscription, no data collection. Gemini's free tier means unlimited free replies.
Your Persona
Set your profession, interests, and writing style. Replies match your voice, not generic AI output.
Lightning Fast
Generate replies in 2-3 seconds. Edit, tweak, and post. No friction, no waiting.
Context Aware
Understands the post, the subreddit culture, and the thread context for relevant replies.
Private by Design
No backend servers. No analytics. No tracking. Your data never leaves your device.
Multiple AI Providers
Works with Google Gemini, OpenAI GPT, and xAI Grok. Use the model you prefer.
Your Privacy Matters
RedSutra is designed with privacy as a core principle. We don't want your data.
- No user accounts or sign-ups required
- API keys stored locally on your device only
- No data sent to our servers (we don't have servers)
- No analytics, tracking, or telemetry
FAQ
Common Questions
Is RedSutra really free?
Yes! The extension is free. You just need your own API key. Google Gemini offers a free tier with generous limits - enough for most users to never pay anything.
Which AI providers work with RedSutra?
RedSutra works with Google Gemini, OpenAI GPT, and xAI Grok. We recommend Gemini for the free tier or xAI Grok for speed.
Will my replies sound like a bot?
No - that's exactly the problem RedSutra solves. Unlike generic AI tools, RedSutra uses your persona settings (profession, interests, writing style) and carefully crafted tone-specific prompts to generate replies that sound natural and match your unique voice.
Is my data safe?
Absolutely. Your API keys and persona settings are stored locally on your device using Chrome's storage API. RedSutra has no servers, no analytics, no tracking. We literally cannot see your data.
Ready to Reply Smarter?
Join Redditors who reply faster with their own voice.
Get RedSutra FreeWorks on Chrome, Brave, Edge & all Chromium browsers