Who should use Disable WebP Images?

Disable WebP Images is a consumer product built for firefox users who need JPG or PNG image formats.

Does Disable WebP Images have a free plan?

Yes — Disable WebP Images is free to use.

What platforms does Disable WebP Images run on?

Disable WebP Images runs on the web, embeddable surfaces, and Android.

Is Disable WebP Images still active?

Unverified. Disable WebP Images 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 Disable WebP Images?

Similar projects tracked by PulseGate include Don't accept WebP, Don't "Accept" image/webP, and WebP / Avif image converter.

Who develops Disable WebP Images?

Disable WebP Images is developed by John Galt.

How long has Disable WebP Images been around?

Disable WebP Images first shipped in 2025.

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Disable WebP Images

Name: Disable WebP Images
Author: John Galt

mozilla.orgBrowser DevTools & extensions

Disable WebP Images is a Firefox browser extension that removes image/webp from HTTP Accept headers. This encourages websites to serve JPG or PNG versions of images, helping users view and download them in more familiar formats.

FreeWebEmbeddableAndroid

Visit mozilla.org

1alternative

6features

2025since

Overview

6 features

In the Browser DevTools & extensions space, Disable WebP Images takes a focused approach. It focuses on avoiding WebP image formats when websites provide images that are difficult to download or use. It is built as a consumer product for firefox users who need JPG or PNG image formats. Disable WebP Images costs nothing to use. It ships for the web, embeddable surfaces, and Android.

Behind Disable WebP Images is John Galt, and it first shipped in 2025. Among its 6 catalogued features are webP blocking, accept header editing, and JPG fallback. The interface is available in 32 languages, including Czech, German, and Greek.

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

WebP blocking
Accept header editing
JPG fallback
PNG fallback
Android support
Per-site permissions

Built with & integrations

Runs on

BrowserEmbeddableAndroid

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed11 Sep · 09:32 UTC
Disable WebP Images verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Disable WebP Images

What is Disable WebP Images?: Disable WebP Images focuses on avoiding WebP image formats when websites provide images that are difficult to download or use. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Disable WebP Images?: Disable WebP Images is a consumer product built for firefox users who need JPG or PNG image formats.
Does Disable WebP Images have a free plan?: Yes — Disable WebP Images is free to use.
What platforms does Disable WebP Images run on?: Disable WebP Images runs on the web, embeddable surfaces, and Android.
Is Disable WebP Images still active?: Unverified. Disable WebP Images 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 Disable WebP Images?: Similar projects tracked by PulseGate include Don't accept WebP, Don't "Accept" image/webP, and WebP / Avif image converter.Don't accept WebP Don't "Accept" image/webP WebP / Avif image converter
Who develops Disable WebP Images?: Disable WebP Images is developed by John Galt.
How long has Disable WebP Images been around?: Disable WebP Images first shipped in 2025.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who need JPG or PNG image formats
Model: B2C
Solves: Avoiding WebP image formats when websites provide images that are difficult to download or use.

Registered as

Firefox Add-ons: disable-webp

Developer

John Galt

Index record

Indexed: 11 Sep 2026
Lifecycle: Alive
Last seen: 11 Sep 2026

Identity audit (13)

Slug: disable-webp-images-mozilla-org
Lifecycle state recorded: 11 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sep 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
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: 11 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/disable-webp

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