Get a disposable inbox in one clickright from your browser
The OpenInbox Chrome extension puts a temporary email generator in your toolbar. Create disposable addresses, auto-fill signup forms, and get real-time notifications — without ever leaving the page.
GitHub
Your verification code: 847291
Netlify
Confirm your email address
Everything you need, right in your toolbar
The OpenInbox disposable email Chrome extension gives you a temporary email generator that lives in your browser — always one click away.
One-Click Inbox Generation
Generate a fresh disposable email address instantly from the toolbar — no tabs to switch, no site to visit.
Auto-Fill Email Fields
Detect email input fields on any page and auto-fill them with your temporary address. One click, done.
Real-Time Notifications
Get a desktop notification the instant an email arrives — verification codes, OTPs, confirmations, all delivered in seconds.
Manage Multiple Inboxes
Run several disposable inboxes at once and switch between them. Perfect for testing multi-user flows or juggling signups.
Why developers love this privacy email tool
Whether you’re testing signup flows, avoiding newsletter spam, or keeping your real address private — the temp email browser extension has you covered.
Install the extension
Add it from the Chrome Web Store — takes 5 seconds.
Click the toolbar icon
A fresh disposable email is generated instantly.
Auto-fill or copy
Paste into any form, or let auto-fill handle it.
Receive emails in real time
Verification codes, OTPs, confirmations — all arrive in the popup.
Free vs Pro — what you get
| Feature | Free | Pro |
|---|---|---|
| One-click inbox | ||
| Auto-fill email fields | ||
| Real-time notifications | ||
| OTP detection | ||
| Inbox lifetime | 1 hour | 7 days |
| Active inboxes | 1 | 10 |
| Custom email aliases | — | |
| Custom domains | — | |
| API & webhooks | — |
Ready to ditch your real email on signups?
Install the OpenInbox Chrome extension and get a disposable inbox in one click. Free forever — upgrade to Pro for power features.