TmpKit

What TmpKit is

TmpKit is a web-based collection of disposable inboxes and developer utilities for short-lived, low-stakes tasks. Its account-free inbox receives verification codes and confirmations, but users cannot compose, reply to, or forward messages. An inbox expires according to the countdown shown in the app, with one extension available where offered; its listed lifetime is measured in hours. Attachments can usually be opened and downloaded, though very large files may be rejected, and attachments disappear when the inbox expires. TmpKit also offers diagnostics for MX, SPF, DMARC, DKIM, email headers, and disposable domains, alongside password, JSON, UUID, and hash tools. The password, JSON, UUID, and hash utilities process inputs in the browser without submitting them to a TmpKit endpoint. The free plan is free and includes temporary receive-only inboxes and developer utilities. TmpKit says it does not require an account, name, or password, but temporary addresses are not confidential or guaranteed anonymous. It advises against using them for sensitive information, important accounts, or account recovery.