What does Preact Devtools do?

Preact Devtools focuses on inspecting and debugging Preact applications in the browser. It is catalogued under Browser DevTools & extensions on PulseGate.

Who is Preact Devtools for?

Preact Devtools is an open-source project built for preact developers.

Does Preact Devtools have a free plan?

Yes — Preact Devtools is open source under the Open Source license and free to use.

What platforms does Preact Devtools run on?

Preact Devtools runs on the web and embeddable surfaces.

Is Preact Devtools still active?

Unverified. Preact Devtools 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 Preact Devtools?

Similar projects tracked by PulseGate include PtahJs DevTools, Svelte Devtools, and Three.js Developer Tools.

Who develops Preact Devtools?

Preact Devtools is developed by Preact.

How long has Preact Devtools been around?

Preact Devtools first shipped in 2019.

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Preact Devtools

Name: Preact Devtools
Author: Preact

github.comInfrastructure

Preact Devtools is an open-source browser extension for inspecting Preact applications during development. It helps developers examine component trees and debug Preact-based interfaces in supported browsers.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

Preact Devtools sits in PulseGate's Browser DevTools & extensions category. It focuses on inspecting and debugging Preact applications in the browser. It is built as an open-source project for preact developers. The project is open source (Open Source). Preact Devtools is available on the web and embeddable surfaces.

It is developed by Preact, and it first shipped in 2019. Key capabilities include component inspection, browser extension, and preact debugging.

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

Component inspection
Browser extension
Preact debugging
Component tree viewing

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy PolicyOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 18:52 UTC
Preact Developer Tools verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Preact Devtools

What does Preact Devtools do?: Preact Devtools focuses on inspecting and debugging Preact applications in the browser. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Preact Devtools for?: Preact Devtools is an open-source project built for preact developers.
Does Preact Devtools have a free plan?: Yes — Preact Devtools is open source under the Open Source license and free to use.
What platforms does Preact Devtools run on?: Preact Devtools runs on the web and embeddable surfaces.
Is Preact Devtools still active?: Unverified. Preact Devtools 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 Preact Devtools?: Similar projects tracked by PulseGate include PtahJs DevTools, Svelte Devtools, and Three.js Developer Tools.PtahJs DevTools Svelte Devtools Three.js Developer Tools
Who develops Preact Devtools?: Preact Devtools is developed by Preact.
How long has Preact Devtools been around?: Preact Devtools first shipped in 2019.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 9 Sept 2026
Built for: Preact developers
Model: Open source
Solves: Inspecting and debugging Preact applications in the browser.

Registered as

Firefox Add-ons: preact-devtools

Developer

Preact

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 9 Sept 2026

Identity audit (13)

Slug: preact-developer-tools-github-com
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 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: 9 Sept 2026
Canonical URL: https://github.com/preactjs/preact-devtools

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