What is the Facebook Ads Library?
The Facebook Ads Library — officially called the Meta Ad Library — is a free, public database of every active ad running across Facebook, Instagram, Messenger, and Audience Network. Meta launched it in 2019 for political ad transparency, and it now covers commercial ads from any advertiser running campaigns on Meta's platforms.
You can search by brand name or keyword, filter by country and platform, and see every live ad a competitor is running right now. No login, no subscription, no cost. It is the most underused competitive intelligence tool in performance marketing — sitting in plain sight at facebook.com/ads/library.
Why the Ad Library matters for marketers
Most marketers treat the Ad Library like a phone book: search a brand, scroll, screenshot, done. But used systematically, it answers questions that used to require expensive spy tools or insider access:
- What offers is my competitor testing right now? Sort by recency and watch the experiments roll in.
- Which creatives have staying power? Ads that stay live for 90+ days are proven performers — brands do not keep paying for losers.
- What formats dominate my category? Filter by video vs. image and see where the investment is flowing.
- How are brands positioning new product launches? The freshest ads reveal the current angle, not last quarter's strategy.
- What landing pages are they sending traffic to? Click through from any ad to see the full funnel.
How to access the Facebook Ads Library
Go to facebook.com/ads/library in any browser. No Facebook account required for browsing commercial ads. You will see a search bar and a small set of filters. That is the entire tool — simple enough that most people miss half of what it can do.
There is no dedicated app. It works on desktop and mobile browsers identically. For power users, Meta also provides an API (the Ad Library API) that lets developers pull ad data programmatically, though it requires Meta developer registration and has rate limits.
Step-by-step: How to research competitor ads
Step 1: Start with a research question
Do not open the library and type a brand name at random. Start with a question: "How is Nike positioning their new running shoe launch?" or "What offers are DTC supplement brands running this month?" The question determines what you search, how you filter, and what you are looking for in the results.
Step 2: Search by brand or keyword
Type a brand name like "Nike" or a keyword like "free trial." For brand searches, the library will suggest matching Facebook pages — pick the verified official page, not fan pages or regional variants. For keyword searches, the library returns ads whose ad copy contains your term.
Step 3: Choose your country
Pick the market you are competing in. If you are targeting US customers, set the country to United States. If you are researching EU markets, pick a specific country — EU ads have richer data (impression ranges, demographic breakdowns) thanks to the Digital Services Act.
Step 4: Filter by platform and media type
Filter to Facebook only, Instagram only, or all platforms. Then filter by media type: image, video, or carousel. The combination reveals where a brand is investing. A brand running video on Instagram and static images on Facebook is making a deliberate platform-by-platform creative decision.
Step 5: Read the signals, not just the ads
For each ad, look beyond the creative. Check the start date — how long has it been running? Check if the same creative appears with variations (different copy, same image). Check which platforms it is running on. The metadata tells you more about strategy than the creative itself does.
What the Ad Library can and cannot show you
What it shows: Active ad creative (images, videos, carousels), full ad copy, CTA button, start date, active status, platform delivery (Facebook, Instagram, etc.), and the landing page URL. For UK and EU ads, it also shows impression ranges and demographic reach breakdowns. For political ads, it shows spend ranges and funding sources.
What it does not show: Actual spend or budget, conversion data, click-through rates, cost per result, targeting parameters, audience size, or any performance metric. The Ad Library tells you what is running — not what is working. That is the gap every third-party tool exists to fill.
The closest thing to a performance signal is longevity. An ad that has been active for 90+ days with multiple creative variations is a strong indicator that it is performing. Advertisers do not keep paying for ads that do not work.
The Ad Library's biggest limitation — and how to solve it
Meta's Ad Library shows every ad in one long, unsorted wall. There is no ranking, no grouping by run time, no way to separate what a brand launched this week from what has been running for months. You have to scroll and guess. It is a transparency tool, not a competitive research tool — Meta built it for regulators, not marketers.
That is why tools like Wilow's Meta Ads Library exist. Wilow takes the same public ad data and adds the layer marketers actually need: ads grouped by how long they have been running (fresh vs. proven), a daily-reach ranking that shows which ads are earning the most delivery, and the ability to browse any brand's complete live ad library with one click. It is the same public data — just organised for the job you are actually doing.
Try it right here
The embed below is the live Wilow Ad Library — the same tool that runs at trywilow.com. Search any brand, or open a curated vertical, and click into any ad. Free, no login needed.
How leading marketers actually use the Ad Library
Competitive campaign tracking
Search your top three competitors weekly. Note what is new, what has been pulled, and what has been running consistently. Over a month, you will have a clear picture of their testing cadence and which angles they are scaling.
Creative format research
Search your product category (not a specific brand) and filter by video. Study the first three seconds, the hook structures, the aspect ratios. This is free creative strategy research at the category level — no spy tool needed.
New market entry intelligence
Change the country filter to a market you are considering entering. Search your product category. See who is already advertising, what their offers look like, and how saturated the feed is. The Ad Library is a free market intelligence tool for international expansion.
Landing page and funnel research
Click through from any ad to see the landing page. Note the offer, the page structure, the pricing presentation. The ad-to-landing-page chain is the full funnel — and the Ad Library gives you the front door to every competitor's funnel for free.
Common mistakes when using the Ad Library
- Searching without a question. Random browsing produces random insights. Start with a specific question every time.
- Ignoring the start date. An ad that has been live for 200 days is more informative than five ads launched yesterday.
- Forgetting country filters. Ads vary by market. A brand's US strategy may look nothing like their UK strategy.
- Taking screenshots without notes. Screenshots pile up fast. Tag them with the date, brand, and what you noticed — build a searchable swipe file, not a camera roll.
- Assuming active means successful. Active just means the ad is still running. Look for longevity plus variation — the same creative running in multiple versions for months is the real signal.
From research to action
The Ad Library is the start of the workflow, not the end. Your competitive research should feed directly into your creative brief: the hooks that are dominating your category, the formats your competitors are scaling, the offers that are getting the most airtime. Combine what you learn with your own performance data — your CTRs, your conversion rates, your CPA by format — and you are not just copying competitors. You are making informed creative decisions.
