Umami focuses on improving browsing and download workflows on e621 and related sites. It is catalogued under Browser DevTools & extensions on PulseGate.

umami is an open-source project built for e621 and e926 users.

Does umami have a free plan?

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

Is umami still maintained?

Unverified. umami 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 umami?

Similar projects tracked by PulseGate include Hashrate Lens, SaveAI, and Codex File Drop.

umami is developed by Wolfgang.

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umami

Name: umami
Author: Wolfgang

mozilla.orgBrowser DevTools & extensions

umami is an open-source Firefox extension for enhancing the e621 browsing experience. It accesses supported e621-related sites and browser download history to provide additional browsing and download functionality.

Open SourceWebEmbeddableWindowsmacOSLinux

Visit mozilla.org

Overview

5 features

umami is a Browser DevTools & extensions project. It focuses on improving browsing and download workflows on e621 and related sites. umami is an open-source project aimed at e621 and e926 users. umami is open source under the Open Source license. It runs on the web, embeddable surfaces, Windows, macOS, and Linux.

Behind umami is Wolfgang, and it first shipped in 2018. Among its 5 catalogued features are e621 enhancement, download management, and browser tab access. The interface is available in 32 languages, including Czech, German, and Greek.

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

e621 enhancement
Download management
Browser tab access
Site-specific support
Download history access

Built with & integrations

Runs on

BrowserEmbeddableWindowsmacOSLinux

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 19:49 UTC
umami verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about umami

What does umami do?: Umami focuses on improving browsing and download workflows on e621 and related sites. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is umami for?: umami is an open-source project built for e621 and e926 users.
Does umami have a free plan?: Yes — umami is open source under the Open Source license and free to use.
What platforms does umami run on?: umami runs on the web, embeddable surfaces, Windows, macOS, and Linux.
Is umami still maintained?: Unverified. umami 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 umami?: Similar projects tracked by PulseGate include Hashrate Lens, SaveAI, and Codex File Drop.Hashrate Lens SaveAI Codex File Drop
Who develops umami?: umami is developed by Wolfgang.
When did umami launch?: umami first shipped in 2018.

At a glance

Pricing: Open Source
Platforms: Web
License: Open Source
First seen: 9 Sept 2026
Built for: e621 and e926 users
Model: Open source
Solves: Improving browsing and download workflows on e621 and related sites.

Registered as

Firefox Add-ons: umami

Developer

Wolfgang

Index record

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

Identity audit (13)

Slug: umami-mozilla-org
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: 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: 9 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/umami

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