Who is Popup Tooltip for?

Popup Tooltip is an open-source project built for firefox users who want contextual information while browsing.

Is Popup Tooltip free?

Yes — Popup Tooltip is free to use.

What platforms does Popup Tooltip run on?

Popup Tooltip runs on the web and embeddable surfaces.

Is Popup Tooltip still active?

Unverified. Popup Tooltip 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 are alternatives to Popup Tooltip?

Similar projects tracked by PulseGate include Popup Tab, Popup To Tab, and PopupButton.

Who makes Popup Tooltip?

Popup Tooltip is developed by kjabr.

How long has Popup Tooltip been around?

Popup Tooltip first shipped in 2021.

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Popup Tooltip

Name: Popup Tooltip
Author: kjabr

github.comInfrastructure

Popup Tooltip is a browser extension that provides popup tooltips for selected webpage text. It is distributed through Firefox Add-ons and is intended for users who want quick contextual information while browsing.

FreeWebEmbeddable

Visit github.com

Overview

4 features

Popup Tooltip is a Browser DevTools & extensions project. It focuses on finding definitions or contextual information for webpage text without leaving the current page. Popup Tooltip is an open-source project aimed at firefox users who want contextual information while browsing. Popup Tooltip is free to use. It runs on the web and embeddable surfaces.

It is developed by kjabr, and it first shipped in 2021. Among its 4 catalogued features are text selection, popup tooltips, and webpage integration.

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

Text selection
Popup tooltips
Webpage integration
Firefox support

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed20 Sep · 11:57 UTC
Popup Tooltip verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Popup Tooltip

What is Popup Tooltip?: Popup Tooltip focuses on finding definitions or contextual information for webpage text without leaving the current page. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Popup Tooltip for?: Popup Tooltip is an open-source project built for firefox users who want contextual information while browsing.
Is Popup Tooltip free?: Yes — Popup Tooltip is free to use.
What platforms does Popup Tooltip run on?: Popup Tooltip runs on the web and embeddable surfaces.
Is Popup Tooltip still active?: Unverified. Popup Tooltip 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 are alternatives to Popup Tooltip?: Similar projects tracked by PulseGate include Popup Tab, Popup To Tab, and PopupButton.Popup Tab Popup To Tab PopupButton
Who makes Popup Tooltip?: Popup Tooltip is developed by kjabr.
How long has Popup Tooltip been around?: Popup Tooltip first shipped in 2021.

At a glance

Pricing: Free
Platforms: Web
Languages: English
First seen: 20 Sep 2026
Built for: Firefox users who want contextual information while browsing
Model: Open source
Solves: Finding definitions or contextual information for webpage text without leaving the current page.

Registered as

Firefox Add-ons: popup-tooltip

Developer

kjabr

Index record

Indexed: 20 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 20 Sep 2026

Identity audit (13)

Slug: popup-tooltip-github-com
Lifecycle state recorded: 20 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 20 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
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: 20 Sep 2026
Canonical URL: https://github.com/kjabr/Popup-Tooltip-Firefox-Extension

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