Free Reddit marketing tools
Find communities, check the rules, track sentiment, and find real conversations worth joining — all built on Reddit's public data, free to use, no signup required.
Subreddit Finder
Find the most relevant, active subreddits for any topic or audience.
Website to Subreddits
Paste your website URL and get matched subreddits automatically.
Reddit Opportunity Finder
Find live posts matching a keyword you can genuinely help with.
Reddit Comment Search
Search comment threads in a specific subreddit for a keyword.
Subreddit Rules Checker
Read a subreddit's official posting rules before you post.
Reddit Brand Analyzer
Mention volume and AI-estimated sentiment for any brand on Reddit.
Best Time to Post on Reddit
An hour-by-hour estimate of when top posts score best.
Post Removal Risk Checker
Check your title and body against a subreddit's rules before you post.
Subreddit Activity Analyzer
See real posting frequency and response rates, not just member count.
Shadowban & Account Health Checker
Check what's publicly visible about a Reddit account's status.
Subreddit Comparison Tool
Compare 2-5 subreddits side by side on activity and rule strictness.
Reddit Post Title Analyzer
Check a draft title for clarity, clickbait risk, and rule fit.
Reddit Thread Summarizer
TL;DR, themes, and buyer questions from any public thread.
Reddit Markdown Editor
Write and preview Reddit-flavored Markdown, no signup needed.
These tools are just the start
MentionMint automates the whole workflow: find the right communities, monitor them continuously, and get notified the moment a real opportunity appears.