ZenFeed: Keyword and Topic Filter Extension for Reddit
Reddit feeds become overwhelming and miserable due to unwanted content like political cycles and clutter, and the official app/website offer no granular control over filtering or usage limits.
Is the problem real?
Reddit feeds become overwhelming and miserable due to unwanted content like political cycles and clutter, and the official app/website offer no granular control over filtering or usage limits.
EVIDENCE
Protego for Reddit - A Safari extension that clears the clutter from your Reddit feed, so you can browse Reddit on the web, not the app. Filter keywords, communities, and more.
Protego for Reddit - A Safari extension that clears the clutter from your Reddit feed, so you can browse Reddit on the web, not the app. Filter keywords, communities, and more.
Who feels this pain?
TARGET USERS
Daily information consumers and professionals trying to curb political clutter and addictive scrolling on the Reddit web interface.
Context
Current Workarounds
Where's the gap?
EXISTING SOLUTION GAPS
OPPORTUNITY & VALUE
Repeated complaints about feeds being cluttered with unwanted political or social content causing negative emotional states during election or news cycles.
Purpose-built specifically for fine-grained web content filtering and usage control on Reddit without breaking direct deep links.
A lightweight browser extension that enables granular keyword and community filtering for Reddit's web interface along with built-in usage limits to prevent doomscrolling.
How does it make money?
MONETIZATION
Model
Users express high emotional frustration and actively delete apps out of misery; a small one-time utility fee is low-friction for a significantly improved mental health and browsing experience.
How do you ship it?
MVP PLAN
“Filter out the noise and reclaim your Reddit feed in 6 weeks.”
A lightweight browser extension that enables granular keyword and community filtering for Reddit's web interface along with built-in usage limits to prevent doomscrolling.
Core Features
Weekly Roadmap
- •Initialize manifest v3 browser extension structure
- •Build DOM mutation observer to hide posts matching keyword lists
- •Create basic popup settings interface for keyword entry
- •Add subreddit blacklist/whitelist rules engine
- •Implement time-tracking session timer and limit blocker
- •Ensure direct links from search results bypass limits seamlessly
- •Integrate lightweight payment checkout for one-time unlock
- •Test across Chrome, Firefox, and Safari browsers
- •Onboard 5 beta testers from indie hacker communities
- •Publish extension to Chrome Web Store and Firefox Add-ons
- •Launch announcement on Hacker News and r/indiehackers
- •Monitor initial bug reports and feedback loops
Launch on Hacker News, r/indiehackers, and product-focused subreddits where users complain about information overload.
RISKS & ASSUMPTIONS
Top Risks
Reddit frequent web updates and frontend changes may break DOM-based extension selectors, requiring continuous maintenance.
Browser extension users often expect free utilities and may resist paying for simple content filters.
Users may simply stop using Reddit entirely or switch to alternative platforms rather than paying for a filter tool.
Should you build it?
Run an Investment Memo to get a structured Go / No-Go verdict, competitor landscape, unit economics, and a 90-day validation roadmap for this opportunity.
Generate an investment memoWhat this score means
This idea scores in the upper-middle range of opportunities surfaced by MonetScope, with a validation sub-score of 8/10 against 2 independently sourced evidence signals. A "promising" rating usually indicates a real pain has been detected and discussed in the open, but the pipeline did not find enough signal to flag it as urgent or high-frequency. These opportunities can still produce excellent businesses — they often correspond to "boring" problems that established players have ignored — but the founder should expect a longer customer-development cycle to confirm willingness to pay.
Why this matters for Other founders
It sits at the intersection of "automation", "browser-extension", "indie-hackers", which makes it relevant to a specific subset of founders rather than a generic horizontal opportunity. Opportunities in this category typically reward founders who can describe the pain in the user's own language — both because that's the basis of effective marketing, and because it's the strongest signal that the founder has done the upfront listening. The MonetScope pipeline surfaces this category alongside other other signals, which is why it appears here rather than in a generic "trending ideas" feed.
Scores are derived from real forum discussions across Reddit, Hacker News and X, weighted by evidence volume and signal quality. How scoring works
Frequently asked questions
Is "ZenFeed: Keyword and Topic Filter Extension for Reddit" a real validated startup idea or just an AI-generated suggestion?
MonetScope does not generate ideas from a language model's imagination. Every opportunity on this site is anchored to specific source posts and comments from real public discussions — typically on Reddit, Hacker News, or X — where actual users describe the pain in their own words. The AI's role is structuring, scoring, and grouping those signals into a navigable opportunity, not inventing the problem.
How recent is the underlying data for automation?
MonetScope's spider pipeline runs continuously and surfaces opportunities as new evidence accumulates. The "Updated" date in the header reflects the most recent re-scoring of this specific opportunity. Most other opportunities visible in the public catalog draw from discussions in the last 30-60 days; older signals are de-prioritized because user pain shifts faster than most founders assume.
What's the difference between "overall score" and "validation score"?
Overall score is a composite across six dimensions — pain, urgency, willingness to pay, market size, defensibility, and execution ease — designed to give a single number for triage. Validation score is narrower: it asks "how cleanly does the same signal repeat across independent sources?" An opportunity can score high on overall but lower on validation when one or two large discussions dominate the evidence; conversely, validation can be high on a smaller-overall idea where the signal is consistent but the addressable market is modest.