This product was not featured by Product Hunt yet. It will not be visible on their landing page and won't be ranked (cannot win product of the day regardless of upvotes).
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ERC
Free engagement rate calculator - no signup, ever.
Free engagement rate calculator for Instagram, TikTok, YouTube, Facebook, LinkedIn & Twitter. Calculate your social media engagement rate instantly - no login, no signup. Compare vs latest benchmarks.
I built ERC because I got tired of the same frustrating loop: Google "engagement rate calculator," click a result, get hit with a login wall, then a paywall - just to divide two numbers.
Every tool I found either wanted my email, required connecting my social accounts, or hid basic features behind a subscription. All I needed was to plug in likes + comments + followers and see my rate compared to current benchmarks. That's it.
So I built exactly that. ERC is:
Actually free - no premium tier, no "unlock more features" upsell No signup - no email, no account, no OAuth. Just open it and use it. Private - all math happens in your browser. Zero data leaves your device. 6 platforms - Instagram, TikTok, YouTube, LinkedIn, Twitter, Facebook Cross-platform compare -* see rates side-by-side with per-platform benchmarks Mobile-friendly - works perfectly on phone since that's where most creators check stats I update the benchmarks regularly so "good" and "average" actually reflect what's happening in 2026, not outdated 2022 data that most blog posts still reference.
Built it as a solo dev with Astro + React, hosted on Cloudflare Pages. Fast, lightweight, no bloat.
Would love your feedback - is there a platform or metric you'd want added? Anything that would make this more useful for your workflow?
About ERC on Product Hunt
“Free engagement rate calculator - no signup, ever.”
ERC was submitted on Product Hunt and earned 4 upvotes and 2 comments, placing #160 on the daily leaderboard. Free engagement rate calculator for Instagram, TikTok, YouTube, Facebook, LinkedIn & Twitter. Calculate your social media engagement rate instantly - no login, no signup. Compare vs latest benchmarks.
On the analytics side, ERC competes within Social Network, Social Media and Social media marketing — topics that collectively have 145.4k followers on Product Hunt. The dashboard above tracks how ERC performed against the three products that launched closest to it on the same day.
Who hunted ERC?
ERC was hunted by Deepanshu Pathania. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of ERC including community comment highlights and product details, visit the product overview.
Deepanshu Pathania
Hey everyone 👋
I built ERC because I got tired of the same frustrating loop: Google "engagement rate calculator," click a result, get hit with a login wall, then a paywall - just to divide two numbers.
Every tool I found either wanted my email, required connecting my social accounts, or hid basic features behind a subscription. All I needed was to plug in likes + comments + followers and see my rate compared to current benchmarks. That's it.
So I built exactly that. ERC is:
Actually free - no premium tier, no "unlock more features" upsell
No signup - no email, no account, no OAuth. Just open it and use it.
Private - all math happens in your browser. Zero data leaves your device.
6 platforms - Instagram, TikTok, YouTube, LinkedIn, Twitter, Facebook
Cross-platform compare -* see rates side-by-side with per-platform benchmarks
Mobile-friendly - works perfectly on phone since that's where most creators check stats
I update the benchmarks regularly so "good" and "average" actually reflect what's happening in 2026, not outdated 2022 data that most blog posts still reference.
Built it as a solo dev with Astro + React, hosted on Cloudflare Pages. Fast, lightweight, no bloat.
Would love your feedback - is there a platform or metric you'd want added? Anything that would make this more useful for your workflow?