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TempInbox
What it is
TempInbox is a free web service for receiving temporary email without signing up. One browser can hold up to three inboxes, and access is saved in that browser. The service is intended for verification messages, trials, and low-trust signups, with developers, QA teams, and privacy-conscious users among its stated audiences. Its browser interface lets you view, download, and clear messages, including attachments. Hosted TempInbox is receive-only: it does not send, reply to, or forward mail. There is no supported public API or SDK, and manual browser use is expected. Inbox lifetime is custom; messages can be soft-deleted and later removed in scheduled batches, so long-term storage is not guaranteed. It works in Android and iPhone mobile browsers without an app. The maker describes privacy and security as best-effort and warns against high-stakes accounts.
For and against
For
- Free plan with no signup
- Up to three inboxes per browser
- Works in mobile browsers
- Supports viewing, downloading, and clearing messages
- Attachments are supported
Against
- Receive-only; no sending or forwarding
- No supported public API or SDK
- Messages may be removed
- Privacy and security are best-effort
The verdict
TempInbox provides quick, browser-based temporary receiving addresses without registration. Its limited retention and receive-only design make it appropriate for low-trust mail, not important accounts.
Who it suits
It suits people needing disposable inboxes for verifications, trials, or low-trust registrations. It is not suited to accounts requiring confidential, long-term email access.
Plans and prices
Free
up to 3 browser-persisted inboxes · no signup · no 10-minute timer
Read 15 Oct 2026 · tempinbox.dev
On the record
- Access recovery
- There are no inbox passwords or cross-device recovery; access depends on a browser-held token.tempinbox.dev · read 15 Oct 2026
- API and SDK
- The hosted service has no supported public API or SDK.tempinbox.dev · read 15 Oct 2026
- Browser persistence
- Inbox access normally remains after reloads and browser restarts until deletion, browser-data clearing or service cleanup removes it.tempinbox.dev · read 15 Oct 2026
- Custom domains
- TempInbox does not provide custom domains; it uses shared service domains and supports optional address-prefix naming.tempinbox.dev · read 15 Oct 2026
- Data collected
- The privacy policy lists temporary addresses, message and attachment content, metadata, IP-related abuse signals, security logs and session preferences as processed data.tempinbox.dev · read 15 Oct 2026
- Data sale
- The privacy policy says personal data is not sold.tempinbox.dev · read 15 Oct 2026
- Desktop requirements
- The maker says the site works in modern desktop browsers including Chrome, Firefox, Edge and Safari.tempinbox.dev · read 15 Oct 2026
- Developer automation
- The documented browser workflow can be driven manually or with Playwright/Cypress, but large unattended pipelines require more work because there is no API.tempinbox.dev · read 15 Oct 2026
- Documentation
- The documentation page is a short product overview linking to raw Markdown rather than a deep reference manual.tempinbox.dev · read 15 Oct 2026
- Email direction
- TempInbox is receive-only and does not support sending, replies or forwarding.tempinbox.dev · read 15 Oct 2026
- Inbox capacity
- One browser can hold up to three temporary inboxes at once.tempinbox.dev · read 15 Oct 2026
- Inbox limit
- Users can create up to three inboxes in one browser.tempinbox.dev · read 9 Oct 2026
- Independent domain facts
- UserCheck reports Cloudflare as the registrar and records the domain as flagged on February 17, 2026.usercheck.com · read 15 Oct 2026
- Independent feature report
- The launch post lists Generate New Email, Copy, QR Code, Refresh, Clear Inbox, Switch Address and Delete controls.dev.to · read 15 Oct 2026
- Independent launch report
- A DEV Community launch post dated February 22, 2026 describes the product as a three-inbox workflow tool for trials, registration testing, OTP checks and spam reduction.dev.to · read 15 Oct 2026
- Infrastructure
- The service is described as running on Cloudflare Workers and Cloudflare Pages.tempinbox.dev · read 15 Oct 2026
- Limit: disposable classification
- UserCheck flags tempinbox.dev as a disposable email domain and says such domains are commonly used for short-lived registrations.usercheck.com · read 15 Oct 2026
- Limit: domain rejection
- The maker acknowledges that websites may reject disposable domains, preventing some signups.tempinbox.dev · read 15 Oct 2026
