Ads.txt Generator
Authorize who can sell your ad inventory.
Last reviewed by the Radiatus Cloud team
Ads.txt Generator
Create an ads.txt file to prevent ad fraud.
Add your authorized digital sellers below.
Going for ISO 27001, SOC 2, HIPAA or GDPR?
Radiatus runs end-to-end compliance & GRC programs.
Generate an ads.txt file
An ads.txt file declares which companies are authorised to sell your site’s ad inventory, combating ad fraud. This generator produces an ads.txt file, so you can list your authorised sellers correctly.
Why ads.txt matters
Ad fraud includes fraudsters selling fake inventory claiming to be your site, and ads.txt combats this by publishing, at a standard location, the list of companies genuinely authorised to sell your ad space. Buyers check this list and refuse inventory from sellers not on it, which cuts off the fraud. For a publisher, having a correct ads.txt is important for being able to sell inventory at all, since many buyers require it, and errors in it can block legitimate sales. Generating it in the correct format ensures buyers can read and trust it.
A tool, not legal advice
It runs entirely in your browser, so nothing you enter is uploaded and the generated output is yours to use, which matters when the input or result concerns your own site or organisation.
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Frequently Asked Questions
What is ads.txt for?
It declares, at a standard location, which companies are authorised to sell your site’s ad inventory, combating fraudsters who sell fake inventory as your site.
How does it combat ad fraud?
Buyers check the ads.txt list and refuse inventory from sellers not on it, cutting off fraudsters who falsely claim to sell your ad space.
Why is a correct ads.txt important?
Because many buyers require it to purchase your inventory, and errors can block legitimate sales. Correct format ensures buyers can read and trust it.
Where does the file go?
At a standard location on your domain so buyers and their tools can find and check it automatically.
Is my input uploaded?
No. The generation runs entirely in your browser.
Privacy & Security
Local generation.
About This Tool
This tool runs entirely in your browser. No data is sent to any server, ensuring complete privacy. Simply use the interface above to get started — no registration or login required.
Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.
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