OpenInbox: Temp Mail & Disposable Email Generator

Free temp mail generator. Create disposable inboxes instantly, auto-fill forms & grab OTP codes—no spam, no signup.

OpenInbox is the fastest way to create a free temporary email address right from your browser. One click gives you a disposable inbox you can use to sign up for anything — no registration, no personal email, no spam in your real inbox. ⚡ WHY OPENINBOX • Instant temp mail — generate a disposable address in one click • Auto-fill — drop your temp address into any signup form (Alt+Shift+F or right-click) • Auto-copy OTP — verification codes from incoming mail are copied to your clipboard automatically • Live inbox — new emails appear in the popup in real time, with desktop notifications • Unread badge — the toolbar icon tells you the moment a code arrives • Inbox history — switch between recent inboxes without losing them • Private by design — no account required to get started 🔒 PERFECT FOR • Signing up for newsletters, trials, and downloads without the spam • Receiving one-time passcodes (OTP) and email verification links • Protecting your real address from data leaks and marketing lists • QA, testing, and throwaway accounts 🚀 GO PRO (optional) Upgrade for long-lived inboxes (days, not minutes), multiple inboxes at once, API access, webhooks, and custom domains. Manage everything at openinbox.io. OpenInbox never asks for your real email to get started. Create an inbox, receive your mail, move on. temp mail, temporary email, disposable email, throwaway email, fake email, 10 minute mail, email generator, OTP, verification code, anti-spam, burner inbox