TempInbox
TempInbox provides free temporary email inboxes through a web browser, with no signup required.
What TempInbox is
TempInbox provides free temporary email inboxes through a web browser, with no signup required. It is intended for receiving verification messages and mail for trials or low-trust signups. You can create up to three inboxes in one browser, and access is saved in that browser; clearing browser data or service cleanup may make an inbox inaccessible. There is no 10-minute timer, but the custom lifetime does not guarantee long-term storage: messages may be soft-deleted and later permanently removed in batches. The interface lets users view, download, and clear messages, and attachments are supported. Hosted TempInbox only receives mail; it does not send, reply to, or forward messages. It has no supported public API or SDK and is meant for manual browser use. Mobile browsers on Android and iPhone are supported without installing an app. The maker describes its privacy and security as best-effort and advises against using it for accounts requiring strict confidentiality or long-term access.
Good
- Free plan with no signup
- Up to three inboxes per browser
- Supports viewing, downloading, and clearing messages
- Works in mobile browsers without an app
- Attachments are supported
Watch out
- Receive-only: no sending, replies, or forwarding
- No supported public API or SDK
- Long-term message storage is not guaranteed
- Inbox access can be lost if browser data is cleared
Who it suits
It may suit developers, QA teams, and privacy-conscious users who need an inbox for verifications, trials, or low-trust signups. It is not suited to banking, medical, legal, payroll, or other accounts needing strict confidentiality and lasting access.
Verdict
TempInbox offers a simple browser-based option for temporary incoming mail, including attachment support and mobile access. Its custom retention and best-effort privacy make it unsuitable for important accounts or messages that must remain available.
Plans and prices
From TempInbox's own pricing page, checked 15 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | up to 3 browser-persisted inboxes · no signup · no 10-minute timer |
The facts
Each one read from TempInbox's own pages, with the date it was checked.
What it does
- Access recovery
- There are no inbox passwords or cross-device recovery; access depends on a browser-held token.checked 15 Oct 2026
- API and SDK
- The hosted service has no supported public API or SDK.checked 15 Oct 2026
- Custom domains
- TempInbox does not provide custom domains; it uses shared service domains and supports optional address-prefix naming.checked 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.checked 15 Oct 2026
- Data sale
- The privacy policy says personal data is not sold.checked 15 Oct 2026
- Desktop requirements
- The maker says the site works in modern desktop browsers including Chrome, Firefox, Edge and Safari.checked 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.checked 15 Oct 2026
- Documentation
- The documentation page is a short product overview linking to raw Markdown rather than a deep reference manual.checked 15 Oct 2026
- Email direction
- TempInbox is receive-only and does not support sending, replies or forwarding.checked 15 Oct 2026
- Inbox capacity
- One browser can hold up to three temporary inboxes at once.checked 15 Oct 2026
- Inbox limit
- Users can create up to three inboxes in one browser.checked 9 Oct 2026
- Independent domain facts
- UserCheck reports Cloudflare as the registrar and records the domain as flagged on February 17, 2026.checked 15 Oct 2026
- Independent feature report
- The launch post lists Generate New Email, Copy, QR Code, Refresh, Clear Inbox, Switch Address and Delete controls.checked 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.checked 15 Oct 2026
- Infrastructure
- The service is described as running on Cloudflare Workers and Cloudflare Pages.checked 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.checked 15 Oct 2026
- Limit: domain rejection
- The maker acknowledges that websites may reject disposable domains, preventing some signups.checked 15 Oct 2026
- Limit: signup blocking
- UserCheck recommends blocking tempinbox.dev when services need reliable identities because disposable addresses can contribute to spam and fake accounts.checked 15 Oct 2026
- Message controls
- The interface supports viewing, downloading and clearing inbox messages.checked 15 Oct 2026
- Messages
- The service provides an interface for viewing, downloading, and clearing inbox messages.checked 9 Oct 2026
- Mobile access
- TempInbox says it works in mobile browsers on Android and iPhone without installing an app.checked 9 Oct 2026
Where it runs
- Browser persistence
- Inbox access normally remains after reloads and browser restarts until deletion, browser-data clearing or service cleanup removes it.checked 15 Oct 2026
- Limit: lost browser data
- Clearing site data or losing the browser profile can permanently remove access because there is no account recovery.checked 15 Oct 2026
The company
- Maker identity
- TempInbox describes itself as an independent utility operated by a small team.checked 15 Oct 2026
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