validator
ads.txt validator
Parse, validate, and diff ads.txt files.
walkersellers.json walker
Trace the chain of custody for any seller ID.
testerVAST tag tester
Paste a VAST URL — preview, errors, timings.
calculatorCPM ⇄ CPC ⇄ CPA
Convert between rate models with traffic inputs.
prettifierOpenRTB prettifier
Format and validate bid requests and responses.
explorerIAB taxonomy explorer
Browse Content & Audience Taxonomy v3.
visualizerAd slot visualizer
Compare standard ad sizes and aspect ratios.
checkerAI crawler check
robots.txt audit for GPTBot, Google-Extended, etc.