app-ads.txt guides
Generators, ad-network setup, step-by-step tutorials and fixes — everything you need for a valid, verified app-ads.txt.
Generators
- App-ads.txt generator — Free app-ads.txt generator for mobile apps: pick your ad networks, paste your publisher IDs and get a valid IAB app-ads.txt with every partner line. Download it or host it.
- Ads.txt generator — Generate ads.txt (websites) or app-ads.txt (mobile apps) online: correct IAB syntax, DIRECT and RESELLER lines, certification IDs, no duplicates. Free for up to 5 networks.
- Ads.txt & app-ads.txt generator — Create ads.txt and app-ads.txt from the same network list: one source of truth for your website and your apps, with network templates kept up to date.
- 100% free ads.txt generator — Generate and download a valid ads.txt / app-ads.txt for free, without creating an account. Up to 5 popular ad networks, IAB format, duplicates removed.
- IAB app-ads.txt generator — Create an app-ads.txt that follows the IAB Tech Lab specification: correct fields, relationships, certification authority IDs, variables and encoding.
- App-ads.txt generator online — Online app-ads.txt generator — works in the browser, nothing to install. Paste your network lines, get a clean, de-duplicated app-ads.txt file free.
Ad networks
- Google AdMob app-ads.txt — Add Google AdMob to your app-ads.txt: the google.com line with your pub- publisher ID and certification ID, where to find them, and how to get the app verified in AdMob.
- AppLovin app-ads.txt — How to add AppLovin (and AppLovin MAX mediated networks) to your app-ads.txt: where to find the lines, the format, and how to check that AppLovin can verify your file.
- Unity app-ads.txt — Add Unity Ads (Unity LevelPlay / Unity Grow) to your app-ads.txt: the unity3d.com line, where to find your ID, Unity’s certification authority ID and partner lines.
- Mintegral app-ads.txt — Add Mintegral to your app-ads.txt: the mintegral.com DIRECT line with your publisher ID, the certification authority ID and Mintegral’s partner lines.
- Vungle (Liftoff) app-ads.txt — Vungle is now Liftoff Monetize. Add the vungle.com line with your account ID and certification authority ID, plus Liftoff’s partner lines, to your app-ads.txt.
Hosting
- Free app-ads.txt hosting tool — Host your app-ads.txt for free on a permanent link and serve it from your domain with one redirect or a one-line cron. Updates itself when networks change.
- Host app-ads.txt for free — No access to your web server? Host app-ads.txt for free on App TXT and connect your domain with a redirect, a CDN rule or a store-ready subdomain.
Tutorials
- Tutorial: Google AdSense / AdMob — Step by step: create app-ads.txt for Google — find your pub- publisher ID, write the google.com line with the certification ID, upload it and get it verified.
- Tutorial: AppLovin MAX — Step by step: collect the app-ads.txt lines of AppLovin and every network mediated in MAX, build one file, publish it and verify it in the MAX dashboard.
- Tutorial: Unity mediation — Step by step: app-ads.txt for Unity LevelPlay mediation — Unity Ads and ironSource lines, the networks you mediate, publishing and checking the file.
- Create app-ads.txt in Ad Manager — How Google Ad Manager publishers declare authorized sellers in ads.txt and app-ads.txt: find your network’s lines, add partners, publish and monitor.
- Set up app-ads.txt for your website — Set up app-ads.txt on your developer website: where the file goes, how store listings point to it, server settings, redirects, CDNs and verification.
Fixes
- Fix: app-ads.txt not found — AdMob, AppLovin or Unity say app-ads.txt not found? Check the developer website, the file path, HTML instead of text, redirects, CDN blocking, encoding and crawl timing.
- Fix https://{your domain}/app-ads.txt — Your network asks for https://yourdomain.com/app-ads.txt? Make the URL return the file: correct root, HTTPS, www vs non-www, SPA fallbacks, CDN and content type.
Glossary
- What is app-ads.txt? — app-ads.txt explained: what it is, why ad networks require it, how a line is built (domain, ID, DIRECT/RESELLER, certification ID) and where the file goes.
- app-ads.txt — Authorized Digital Sellers — Authorized Digital Sellers (ads.txt) and Authorized Sellers for Apps (app-ads.txt): how they stop ad fraud, how buyers verify you, and how sellers.json completes the chain.