Free tools for buying ad spots

Plan a campaign with free tools. Work out what a budget buys, check a market's ad rules and find publishers and DSPs.

Calculators

Ad cost calculatorA budget and a CPM in; impressions, clicks, cost per click and cost per conversion out.Open

Checkers

Does this website sell ads?Type a domain and see whether the site sells ad spots, how to place an ad there, and whether it publishes an ads.txt.Open
Ad policy checkerCheck whether gambling, alcohol, crypto or health ads are allowed in a market, and on what conditions.Open
Market factsWho sells ads in a country, the languages people read, the rate where enough publishers publish one.Open

Finders

Where to launch a software toolFree accountFind directories, launch newsletters and tech titles graded for a product launch.Open
Where tech buyers readFree accountFind trade and technology titles graded for credibility with B2B technology buyers.Open
DSP finderDSPs by the formats they carry, the deal types they support and who can open an account.Open
PlacementsBrowse pre-rolls, takeovers, newsletter sponsorships and 400 more placements. Each one shows the publishers that sell it.Open
Channel explorerBrowse web, email, podcast, CTV, retail media, out-of-home and AI assistants. Each channel shows who sells it.Open

Benchmarks and guides

Find a publisher

Search the directory by market, topic or channel.

Browse publishers