Stop Rewriting Emails.
Get the Right Reply in Seconds.
Paste any customer email and get a professional, personalized reply in seconds. Refine it with AI, match the right tone, and respond faster without writing from scratch.
Incoming Email
Drafting reply...
TIME SAVED
~4 hrs / week
Trusted by Professionals Who Value Their Time
10,000+
Replies generated
4.9/5
User satisfaction rating
5 Hours
Saved every week
Join 2,400+ members
Try Sendox Right Now
Paste an email below or choose a template to watch Sendox draft professional replies instantly.
178 characters
Engineered for Inbox Efficiency
Stop spending hours drafting repetitive follow-ups. Focus on actual work while Sendox automates the replies.
Save Hours Every Week
Generate tailored, context-aware email replies in under 3 seconds. Stop staring at blank email screens and typing from scratch.
Sound More Professional
Our AI-crafted responses communicate clearly, politely, and effectively. No grammatical mistakes, just pure clarity.
Increase Response Rates
Choose the communication tone that best fits your target audience. Sound persuasive for leads, or friendly for active partners.
Three Simple Steps
Zero learning curve. No prompt engineering needed. Just reply.
Paste Any Email
Copy the client inquiry, partnership request, or customer feedback email into the Sendox portal.
AI Writes Your Reply
Pick a tone, length and language, then Sendox drafts a full reply that answers every point in the message.
Refine, Copy or Send
Rewrite or regenerate it in one click, then copy the reply or send it straight from your connected Gmail account.
Built to Keep You Fast
Everything Sendox ships today, from a one-click reply to the brand voice, knowledge base and team library behind it.
AI Reply Generation
Paste any email and get a complete, context-aware reply that answers every point in the original message.
Tone Control
Choose from eight tones to make every reply sound right for the customer and situation.
Reply Length Control
Choose short, medium or detailed, or describe the length you want in your own words.
AI Reply Rewrite
Refine a finished reply in one click: make it clearer, make it more professional, or fix the grammar.
AI Email Summarizer
Condense a long customer email down to the points that actually need answering before you reply.
Custom AI Instructions
Add a one-off instruction for a single reply - mention your refund policy, add a call to action, keep it brief.
Brand Voice
Describe how your business should sound once, and every generated reply follows it by default.
Knowledge Base
Store your pricing, policies and product facts so replies answer with your details instead of guessing.
Email Templates
Up to 50 ready-made templates, plus custom ones you write yourself and share with your team.
Gmail Integration
Connect your Gmail accounts and send the finished reply without ever leaving Sendox.
Team Collaboration
Invite your team, manage roles, and share one brand voice, knowledge base and template library.
History & Export
Every reply is saved and searchable, and Business plans can export the full history to a spreadsheet.
Why Spend Hours Writing?
| Features | Traditional Email Writing | Sendox |
|---|---|---|
| Speed | ❌ Slow (3-5 mins per email) | ✅ Instant (under 3 seconds) |
| Effort | ❌ Mentally draining | ✅ AI assisted drafts |
| Tone Options | ❌ Single, inconsistent tone | ✅ Eight tones, chosen per reply |
| Brand Consistency | ❌ Every reply sounds different | ✅ One brand voice across the team |
| Accuracy | ❌ Facts looked up by hand | ✅ Answers from your own knowledge base |
| Workload Reduction | ❌ Time consuming | ✅ Clear 5+ hours saved weekly |
Speed
Traditional
❌ Slow (3-5 mins per email)
Sendox
✅ Instant (under 3 seconds)
Effort
Traditional
❌ Mentally draining
Sendox
✅ AI assisted drafts
Tone Options
Traditional
❌ Single, inconsistent tone
Sendox
✅ Eight tones, chosen per reply
Brand Consistency
Traditional
❌ Every reply sounds different
Sendox
✅ One brand voice across the team
Accuracy
Traditional
❌ Facts looked up by hand
Sendox
✅ Answers from your own knowledge base
Workload Reduction
Traditional
❌ Time consuming
Sendox
✅ Clear 5+ hours saved weekly
Loved by Productive Professionals
“Sendox changed how we handle client relations. We respond in under 5 minutes now and our client satisfaction skyrocketed.”
Marc L.
Agency Founder
Frequently Asked Questions
Sendox reads the incoming email's intent, context, and specific questions, then drafts a reply that answers each one. You control the tone, the length, and the language, and Business plans can add a brand voice and a knowledge base of your own facts so replies match how your business actually talks.
Yes, in three ways. Edit any reply by hand and regenerate from your edit, add a one-off instruction for a single reply, or set a brand voice once so every future reply follows it by default. You can also add a signature that is appended automatically.
On the Business plan, yes. Invite your team, manage owner, admin and member roles, and everyone generates from the same brand voice, knowledge base and shared template library, so replies stay consistent no matter who writes them.
Yes! The live demo on this page is completely free and requires no registration or credit card. Try it out with your actual emails to see the quality.
No signup or connection is needed for the trial. For the full product, you can choose to use simple copy-paste or link your Google Workspace/Gmail account for direct one-click sending.
Data security is our top priority. We use industry-standard encryption, and your emails are never stored, sold, or used for model training. Your information remains completely private.
Start Writing Better Replies Today
Join professionals saving hours every week with AI-powered email replies. Start completely free.
No credit card required • Cancel anytime