SlopBlocker by SandBox Works

Private, reversible filtering for engagement-bait and formulaic low-value patterns.Less slop. Better scrolling. SlopBlocker filters formulaic, engagement-bait content on LinkedIn, X, Reddit and YouTube, with private, on-device scanning.

Available on Firefox for Android™

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About this extension

Your feed deserves better.

The internet is drowning in recycled advice, engagement bait, repetitive posts, and low-effort content. SlopBlocker helps you cut through the noise and take back control of your scrolling experience.

What SlopBlocker does:

Smart filtering: Identifies potentially low-quality, formulaic, and engagement-bait content using local pattern detection.
Works across platforms: Supports LinkedIn, X (Twitter), Reddit, and YouTube.
Your feed, your rules: Choose between Light, Balanced, and Aggressive filtering.
Flexible controls: Automatically collapse, hide, blur, or label matching content.
Trust what you like: Create exceptions for posts, creators, and websites you trust.
Stay in control: Reveal filtered posts, pause filtering, and review your scanning activity.
Optional article scanning: Check supported article pages whenever you choose.

Privacy comes first.

SlopBlocker processes content locally on your device. No AI APIs, cloud-based classification, or post-text uploads. Your settings, activity statistics, and trust preferences stay in local extension storage.

A note about detection

SlopBlocker uses rule-based signals to identify potentially low-value writing. It does not definitively determine whether content was written by AI. Some content may be missed or incorrectly flagged, which is why you remain in control of filtering.

Less noise. More signal. Better scrolling.

SlopBlocker is a product of Sandbox.

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Permissions and data

Required permissions:

Access your data for www.linkedin.com
Access your data for linkedin.com
Access your data for x.com
Access your data for www.x.com
Access your data for twitter.com
Access your data for www.twitter.com
Access your data for reddit.com
Access your data for www.reddit.com
Access your data for old.reddit.com
Access your data for youtube.com
Access your data for www.youtube.com

Optional permissions:

Access your data for www.linkedin.com
Access your data for linkedin.com
Access your data for x.com
Access your data for www.x.com
Access your data for twitter.com
Access your data for www.twitter.com
Access your data for reddit.com
Access your data for www.reddit.com
Access your data for old.reddit.com
Access your data for youtube.com
Access your data for www.youtube.com

Data collection:

The developer says this extension doesn't require data collection.