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Numbers creators can trust, free

Passive Array is an independent set of free tools for creators, brands and agencies. No accounts, no ads, no number hidden behind a sign-up.

47creator tools
12with live API data
5web tools
1Chrome extension

Why this exists

Most creator-stats sites show you a teaser and then ask for an email, a card or a login before the useful number appears. The number itself is often a guess dressed up as a fact: "earnings" with no formula, "fake followers" with no explanation.

Passive Array does the opposite. The result loads first. Every estimate is a range, and the formula sits one tap below it. Live data comes from the official YouTube and Twitch APIs, not from scraped copies that go stale.

What "honest numbers" means here

  • Ranges, not fake precision. Earnings and sponsorship prices always show a low and a high, with the assumption that drives each end.
  • The same scale everywhere. The engagement grade on a video page in the extension is the same scale as the calculator on this site, so numbers are comparable.
  • No invented facts. The AI generators only work from what you type. They never make up follower counts, awards or client names.
  • Clear about limits. Instagram, TikTok and X have no free public API, so those tools work from numbers you type in, and say so.

How it stays free

The site runs on free hosting tiers and free API allowances, and it is deliberately light. There are no ads. The only thing sold is Pro, which pays for watching channels over time and the Monday email; every tool on this site stays free.

Who it is for

Creators checking their own growth, brands vetting a creator before a deal, agencies building a shortlist, and anyone curious what a channel is really doing. If that is you, tell us what is missing.

On YouTube itself

The Chrome extension puts engagement rate, hidden tags and a keyword score on every video, channel and search page, and suggests tags inside YouTube Studio.

See the extension