What does VivaldiFox do?

VivaldiFox focuses on customizing Firefox toolbar colors to resemble the Vivaldi browser interface. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use VivaldiFox?

VivaldiFox is an open-source project built for firefox users who want Vivaldi-style browser customization.

Does VivaldiFox have a free plan?

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

What platforms does VivaldiFox run on?

VivaldiFox runs on the web, the command line, and embeddable surfaces.

Is VivaldiFox still active?

Unverified. VivaldiFox 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 VivaldiFox?

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

Who develops VivaldiFox?

VivaldiFox is developed by nt1m.

When did VivaldiFox launch?

VivaldiFox first shipped in 2016.

Back to the index

VivaldiFox

Name: VivaldiFox
Author: nt1m

github.comBrowser DevTools & extensions

VivaldiFox is an open-source Firefox add-on that applies Vivaldi-style coloring to the browser toolbar and interface. It is intended for Firefox users who want a more customizable browser appearance.

Open SourceWebCLIEmbeddable

Visit github.com

Overview

4 features

VivaldiFox is a Browser DevTools & extensions project. It focuses on customizing Firefox toolbar colors to resemble the Vivaldi browser interface. VivaldiFox is an open-source project aimed at firefox users who want Vivaldi-style browser customization. The project is open source (Open Source). It runs on the web, the command line, and embeddable surfaces.

nt1m builds and maintains VivaldiFox, and it first shipped in 2016. Key capabilities include toolbar coloring, firefox integration, and vivaldi-style theme.

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

Toolbar coloring
Firefox integration
Vivaldi-style theme
Browser customization

Built with & integrations

Connectors

chrome

Runs on

BrowserCLIEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 23:11 UTC
VivaldiFox verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about VivaldiFox

What does VivaldiFox do?: VivaldiFox focuses on customizing Firefox toolbar colors to resemble the Vivaldi browser interface. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use VivaldiFox?: VivaldiFox is an open-source project built for firefox users who want Vivaldi-style browser customization.
Does VivaldiFox have a free plan?: Yes — VivaldiFox is open source under the Open Source license and free to use.
What platforms does VivaldiFox run on?: VivaldiFox runs on the web, the command line, and embeddable surfaces.
Is VivaldiFox still active?: Unverified. VivaldiFox 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 VivaldiFox?: Similar projects tracked by PulseGate include Hashrate Lens, SaveAI, and Codex File Drop.Hashrate Lens SaveAI Codex File Drop
Who develops VivaldiFox?: VivaldiFox is developed by nt1m.
When did VivaldiFox launch?: VivaldiFox first shipped in 2016.

At a glance

Pricing: Open Source
Platforms: Web · CLI
Languages: English
License: Open Source
First seen: 9 Sept 2026
Built for: Firefox users who want Vivaldi-style browser customization
Model: Open source
Solves: Customizing Firefox toolbar colors to resemble the Vivaldi browser interface.

Registered as

Firefox Add-ons: vivaldifox

Developer

nt1m

Index record

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

Identity audit (13)

Slug: vivaldifox-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/nt1m/vivaldi-fox

Ship this? Send a correction — no account, and you get a link to follow it.

Also in Browser DevTools & extensions

Same category — not a similarity match