Sumio is a newsletter summarization service. Forward any email newsletter and receive a personalized summary with key insights delivered to your inbox in seconds.

Sumio - Newsletter Summaries in Seconds

Never miss important newsletter insights.

Transform any newsletter into a personalized summary

Forward a newsletter to sumio@fwd.usesumio.com and get a clean, structured summary back in seconds.

How Sumio Works

  1. Forward your newsletter – Send any newsletter to your Sumio forwarding address
  2. Sumio creates your summary – AI extracts key takeaways and insights personalized to your preferences
  3. Summary delivered to your inbox – Receive a clean, structured summary within seconds

Key Features

  • Forward Any Newsletter – One-click forwarding to your unique Sumio address. Works with any email client, any newsletter.
  • Key Insights, Delivered – Get personalized, structured summaries with key takeaways and action items delivered straight to your inbox.
  • Build Your Knowledge Library – Every summary is saved to your personal dashboard. Search, filter, and revisit insights anytime.

Frequently Asked Questions

How does Sumio work?
Simply forward any newsletter to sumio@fwd.usesumio.com. Within seconds, you'll receive a structured summary with key takeaways and important details delivered straight to your inbox.
What newsletters can I forward?
Any newsletter works with Sumio. Forward it from any email client, and we'll summarize it!
How long does it take to get my summary?
Most summaries are delivered within 60 seconds.
Can I customize my summaries?
Yes! Core and Pro users can personalize their summaries by adjusting preferences for length, detail level, tone, and format in your dashboard settings.
How much does Sumio cost?
Sumio is free to get started — no credit card required. Free plans allow for 3 summaries per day. View pricing for more options.
Is my data secure?
Your email content is processed securely and summaries are private to your account.