Who should use TempMail?

TempMail is a consumer product built for firefox users who need temporary email addresses for online signups.

Does TempMail have a free plan?

Yes — TempMail is free to use.

What platforms does TempMail run on?

TempMail runs on the web and embeddable surfaces.

Is TempMail still active?

Unverified. TempMail has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to TempMail?

Similar projects tracked by PulseGate include Temp Mail, Temp Mail, and Temp Mail.

Who develops TempMail?

TempMail is developed by Grisma.

When did TempMail launch?

TempMail first shipped in 2026.

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TempMail

Name: TempMail
Author: Grisma

mozilla.orgBrowser DevTools & extensions

TempMail - Disposable Email is a Firefox extension that detects signup forms and inserts temporary email addresses with one click. It lets users receive OTPs and verification codes without exposing their primary inbox to spam.

FreeWebEmbeddableCloud-managed

Visit mozilla.org

8alternatives

7features

2026since

Overview

7 features

In the Browser DevTools & extensions space, TempMail takes a focused approach. It focuses on avoiding spam and protecting a primary inbox when signing up for websites that require email verification. TempMail is a consumer product aimed at firefox users who need temporary email addresses for online signups. It is available for free. It runs on the web and embeddable surfaces.

It is developed by Grisma, and it first shipped in 2026. It operates in a well-populated space: PulseGate tracks 8 similar projects. Among its 7 catalogued features are signup form detection, one-click email insertion, and disposable email addresses. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Signup form detection
One-click email insertion
Disposable email addresses
OTP receiving
Verification code access
Clipboard support
Browser notifications

Built with & integrations

Runs on

BrowserEmbeddableCloud-managed

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed10 Sept · 00:55 UTC
TempMail - Disposable Email verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about TempMail

What is TempMail?: TempMail focuses on avoiding spam and protecting a primary inbox when signing up for websites that require email verification. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use TempMail?: TempMail is a consumer product built for firefox users who need temporary email addresses for online signups.
Does TempMail have a free plan?: Yes — TempMail is free to use.
What platforms does TempMail run on?: TempMail runs on the web and embeddable surfaces.
Is TempMail still active?: Unverified. TempMail has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to TempMail?: Similar projects tracked by PulseGate include Temp Mail, Temp Mail, and Temp Mail.Temp Mail Temp Mail Temp Mail
Who develops TempMail?: TempMail is developed by Grisma.
When did TempMail launch?: TempMail first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
First seen: 10 Sept 2026
Built for: Firefox users who need temporary email addresses for online signups
Model: B2C
Solves: Avoiding spam and protecting a primary inbox when signing up for websites that require email verification.

Registered as

Firefox Add-ons: tempmail-disposable-email

Developer

Grisma

Index record

Indexed: 10 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 10 Sept 2026

Identity audit (13)

Slug: tempmail-disposable-email-mozilla-org
Lifecycle state recorded: 10 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 10 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/tempmail-disposable-email

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