21 free Reddit tools.
No signup, no card.
The toolkit we wished existed when we started marketing on Reddit — pulled straight from the CommentSurge engine. Use them free, forever.
Discovery
Subreddit Finder
Find the subreddits where your buyers actually hang out, ranked by relevance.
Open toolTrending Threads Finder
Live Reddit threads matching any keyword, ranked by comment velocity.
Open toolSubreddit Comparison
Compare up to 4 subreddits side by side — size, activity, promo stance.
Open toolSubreddit Stats Analyzer
Posts per day, active ratio, posting-hour histogram for any subreddit.
Open toolReply Window Checker
Paste a thread URL — is it still worth replying, or has the window closed?
Open toolUsername Availability
Check whether a Reddit username is taken before you commit to a handle.
Open toolSafety & compliance
Shadowban Checker
Is your account silently invisible? Check any username's status in seconds.
Open toolSubreddit Rules Analyzer
Scan any subreddit's rules for promo bans, karma gates and link policies.
Open toolAccount Health Check
Age, karma, diversity and pattern signals — how your account looks to mods.
Open toolSelf-Promo Ratio Calculator
What % of your recent activity reads as promotion? Under 10% is the goal.
Open toolKarma Requirements Checker
Detect karma and account-age gates a subreddit enforces before you post.
Open toolPost Requirements Checker
Flair, title format and post-type rules you must satisfy before submitting.
Open toolReply Compliance Checker
Paste your draft — get the same compliance flags our drafter uses.
Open toolContent & copy
Reply Generator
Turn any thread into a value-first reply draft with the founder-mention structure.
Open toolBuying Intent Scorer
Paste thread text — get the 0-10 buying-intent score our scanner uses.
Open toolDM Opener Generator
Three compliant DM openers built from the prospect's own words.
Open toolPost Title Analyzer
Score a post title for clickability, clarity and community fit.
Open toolPlanning & analytics
Best Time to Post
The posting windows that win threads — and why reply latency matters more.
Open toolWarm-Up Planner
Your account's age + karma → a day-by-day plan to reach promo-safe status.
Open toolReddit ROI Calculator
Model replies → clicks → signups → customers. See what 15 min/day is worth.
Open toolWeekly Engagement Planner
Your niche + available minutes → a concrete 7-day Reddit routine.
Open toolThese tools, on autopilot
Every tool here runs inside CommentSurge at scale — scanning, scoring, checking and drafting continuously across your keywords, with Slack alerts and one-click posting.
Start free