Passive Array: YouTube SEO, Tags & Stats

A free YouTube SEO extension. See any video's tags, engagement rate and views per day, check whether a channel is monetized, research keywords, and get tag suggestions inside YouTube Studio, all without leaving YouTube. Passive Array adds a calm stats panel to YouTube and a keyword tool to the toolbar. It is a free alternative to paid YouTube SEO extensions: no account, no ads and no upsell. ON VIDEO PAGES • Engagement rate with a plain grade (low to excellent) • Views, likes, comments and subscribers, with likes and comments as a share of views • Views per day since upload • The video's hidden tags, one click to copy or search • Title and description checks: length, hashtags, links • Ads on this video: whether the page carries ad placements ON CHANNEL PAGES • Monetization check: eligibility signals plus ad placements on recent uploads, with a confidence score • Engagement rate across the last 10 uploads • Views per subscriber, uploads per month, Shorts share • Last 30 days: uploads and views • Channel keywords and the recent uploads that beat the channel's average IN YOUTUBE STUDIO (upload and edit) • Suggested tags under the Tags box, ranked by how many top-ranking videos for your title use each one, plus YouTube autocomplete • One click adds a tag; Add top 10; a counter for the 500-character limit ON SEARCH RESULTS • Under every result: views per day, engagement grade, channel size, views-to-subs ratio and tag count • "Small channel ranking" flag when a channel under 100K subs is winning the keyword KEYWORD TOOL (click the icon) • Overall score out of 100 with a plain verdict, plus interest and competition • People-also-search ideas from YouTube autocomplete • The top 20 results with subs, age, views and views per day • Scores are estimates from the top results, not made-up "search volume", and the tool says so TITLE, DESCRIPTION AND TAG WRITER • Ten title angles with character counts • A description with timestamp and link placeholders • A tag list that fits YouTube's 500-character limit • Never invents facts. It only uses what you type. HONEST BY DESIGN Numbers come from the public data on the YouTube page and from the official YouTube Data API. The API key stays on our server, so nothing sensitive ships in the extension. Nothing is tracked, nothing is sold. Works in Chrome, Edge and Brave. Free YouTube tag extractor, monetization checker, engagement rate calculator and 40+ more creator tools at passivearray.com.