Free tools
Free tools for advertisers and publishers
Check an ads.txt file, work out CPM and ROAS, and build tracking links. Free, no sign-up.
ads.txt checker
Check any site's ads.txt or app-ads.txt: records, errors and the ad systems listed.
OpenAI visibility check
See whether AI assistants name your brand when buyers ask about your category.
OpenSeasons and holidays calendar
The year's buying moments for your market, and when to start each campaign.
OpenCPM and ROAS calculator
Turn spend, views, clicks and sales into CPM, CPC, CTR, CPA and ROAS, or plan a budget.
OpenUTM link builder
Add utm tags to a landing page so analytics shows which ad brought each visit.
OpenFree creative score
Upload an ad and get a score with tips before you spend.
OpenMedia price index
Typical CPM, CPC and CPI by country and channel.
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