What does SimpleBlock do?

SimpleBlock focuses on reducing mindless scrolling and website distractions during focused work. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use SimpleBlock?

SimpleBlock is an open-source project built for firefox users seeking distraction-free browsing.

Yes — SimpleBlock is open source under the MIT license and free to use.

What platforms does SimpleBlock run on?

SimpleBlock runs on the web and embeddable surfaces.

Is SimpleBlock still maintained?

Unverified. SimpleBlock 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 SimpleBlock?

Similar projects tracked by PulseGate include Simple Site Blocker, Site Blocker, and Web Block.

Who develops SimpleBlock?

SimpleBlock is developed by Steven Gutierrez.

How long has SimpleBlock been around?

SimpleBlock first shipped in 2023.

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SimpleBlock

Name: SimpleBlock
Author: Steven Gutierrez

mozilla.orgBrowser DevTools & extensions

SimpleBlock is an open-source Firefox extension that blocks or redirects selected websites and pages. Users can create unlimited rules, redirect social media homepages to messaging pages, and toggle focus rules on demand.

Open SourceMITWebEmbeddable

Visit mozilla.org

2alternatives

7features

2023since

Overview

7 features

SimpleBlock sits in PulseGate's Browser DevTools & extensions category. It focuses on reducing mindless scrolling and website distractions during focused work. SimpleBlock is an open-source project aimed at firefox users seeking distraction-free browsing. The project is open source (MIT). It ships for the web and embeddable surfaces.

Steven Gutierrez builds and maintains SimpleBlock, and it first shipped in 2023. Key capabilities include unlimited rules, website blocking, and page blocking. The interface is available in 32 languages, including Czech, German, and Greek.

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

Unlimited rules
Website blocking
Page blocking
Website redirects
Focus mode
On-demand rule toggling
Custom blocklists

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

MIT

Verified signals

HTTPSPrivacy Policy Terms of Service Open SourceFree tierGitHubMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed18 Sep · 15:52 UTC
SimpleBlock verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about SimpleBlock

What does SimpleBlock do?: SimpleBlock focuses on reducing mindless scrolling and website distractions during focused work. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use SimpleBlock?: SimpleBlock is an open-source project built for firefox users seeking distraction-free browsing.
Is SimpleBlock free?: Yes — SimpleBlock is open source under the MIT license and free to use.
What platforms does SimpleBlock run on?: SimpleBlock runs on the web and embeddable surfaces.
Is SimpleBlock still maintained?: Unverified. SimpleBlock 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 SimpleBlock?: Similar projects tracked by PulseGate include Simple Site Blocker, Site Blocker, and Web Block.Simple Site Blocker Site Blocker Web Block
Who develops SimpleBlock?: SimpleBlock is developed by Steven Gutierrez.
How long has SimpleBlock been around?: SimpleBlock first shipped in 2023.

At a glance

Pricing: Open Source
Platforms: Web
Open source: Yes (GitHub)
License: MIT
Built for: Firefox users seeking distraction-free browsing
Model: Open source
Solves: Reducing mindless scrolling and website distractions during focused work.

Registered as

GitHub: Seltonu/SimpleBlock
Firefox Add-ons: simpleblock

Developer

Steven Gutierrez

Solo developer

GitHub

Open source

View on GitHub

Stars: 0
Forks: 0
Open issues: 0
Last commit: 18 Jan 2024
Commits 90d: 0
Contributors: 1
Authorship: Solo
Default branch: main

Index record

Indexed: 18 Sep 2026
Lifecycle: Alive
Last seen: 18 Sep 2026

Identity audit (13)

Slug: simpleblock-mozilla-org
Lifecycle state recorded: 18 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 18 Sept 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: 18 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/simpleblock

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