Why template phrases instead of AI
This first version is deliberately template-based: a fixed set of phrase patterns crossed with your niche, not a model guessing at what people might say. That makes it instant, free, and completely predictable: the same niche always produces the same phrases, so you can trust and reuse the list.
The trade-off is coverage. A template bank cannot capture every way people phrase frustration, especially slang or niche-specific language. Use these phrases as a strong starting search, then read the results and let real posts teach you the specific words your niche actually uses.
How to use these phrases
Paste each phrase into Reddit's search bar, or into whatever tool you use to monitor communities. Look for posts where several different people express the same frustration in similar words. That repetition, not a single dramatic complaint, is the signal worth acting on.
Phrases like 'alternative to X' and 'is there a tool for X' tend to surface people actively looking to switch or buy, which is the highest-intent audience you can find. Phrases like 'X is so frustrating' surface the raw pain before anyone has thought about a solution yet, useful for understanding the problem in its own words.
- Search each phrase across Reddit, not just your one target subreddit
- Sort by new, not top, to catch conversations before they get buried
- Save the exact wording people use, it becomes your landing page copy
What to do with what you find
A handful of matching posts is a lead, not proof. The next step is finding out how many people share the complaint and how badly they want it fixed, which is exactly what a full IdeaFast scan does: it clusters recurring complaints across a subreddit, scores how acute and frequent each one is, and keeps every claim linked to the original post so you can verify it yourself.
Frequently asked questions
Is the Reddit keyword generator free?
Yes, and it runs entirely in your browser. There is no signup and no limit on how many niches you can try.
Are these phrases generated by AI?
No. This version uses a fixed set of phrase templates crossed with your niche, not a language model. That keeps it instant and predictable. An AI-generated version is a possible future upgrade, not something this tool does today.
How do I use these phrases to find real complaints?
Paste each phrase into Reddit's own search, sorted by new so you catch recent posts. Look for the same complaint appearing across multiple people and threads, that repetition is what makes a pain point worth building around.
What is the difference between this and a real Reddit scan?
This tool only generates search phrases for you to use manually. A real IdeaFast scan actually reads the discussions in a subreddit, clusters the recurring complaints, and scores each one by how acute and frequent it is, with every claim linked to its source post.
Can I use these phrases outside Reddit?
Yes. The phrases are generic complaint and demand language, so they also work in Google search, Twitter/X search, or any other place people talk about problems in your niche.
More free tools
Know your numbers. Now validate what to build next.
Calculators tell you how the business is doing. IdeaFast tells you what to build: real pain points from Reddit, scored and backed by the original threads. Your first scan is free.