Crumbly
ShutdownWebsite unreachable since Oct 21, 2026
Crumbly is a free Chrome extension that generates disposable email addresses for online sign-ups, shielding users' primary inboxes from spam and unwanted marketing. Users can keep addresses indefinitely for ongoing correspondence or delete them after a single use, and manage all generated accounts in a centralized organizer with tagging and categorization. The service restricts outbound email sending to prevent abuse and requires no credit card.
- Cybersecurity
- Software Only
- Artificial Intelligence
Funding
Founders
Founder details are not available yet.
Product
Problem
Online sign-ups often require a personal email address, which leads to inbox clutter, unwanted marketing messages, and privacy risks. Users lack a simple way to test services without committing their real contact information or managing the resulting spam.
Solution
Crumbly provides a Chrome extension that generates disposable email addresses for any online sign-up, shielding users' primary inboxes from unwanted communications. Each generated address can be kept as long as needed for ongoing correspondence or deleted after a single use, giving users full control over when and how they receive emails. The platform also includes account management features that let users organize, tag, and categorize their online identities in one secure place. By separating temporary sign-ups from personal communications, Crumbly keeps primary inboxes clean while allowing users to explore services safely and privately.
Target Audience
Primary users are privacy-conscious individuals who frequently sign up for online trials, newsletters, or services and want to avoid inbox spam while maintaining control over their personal data.
Features
- One-click Chrome extension that instantly generates a disposable email address during any online sign-up
- Persistent addresses that can be maintained indefinitely or deleted at any time to end communications
- Centralized account manager for organizing, tagging, and categorizing all generated addresses
- No credit card required and free to use for all core functionality
- Restricts outbound email sending to prevent spam and maintain service integrity