YouTube Video Banner Generator
HTML5 video banners from YouTube links with clickTag support and playback controls.
Free Tools for Publishers & Ad Ops
Utilities for Google Ad Manager (GAM) workflows - banner generators, validators, and setup helpers. Pick a tool below; more are added over time.
- Free to use
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Built for GAM
- No coding required
Video banners
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Open tool
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HTML5 Video Banner Generator
Hosted MP4, WebM, or Ogg URLs into clickTag-ready HTML5 banners for GAM.
Image utilities
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Ad Banner Image Resizer
Resize JPG, PNG, or GIF banners to ad unit dimensions with crop, format conversion, and file size optimization.
Tools for Google Ad Manager workflows
Genecy’s free tools help publishers and ad operations teams move faster - from building HTML5 creatives to checking assets before upload. Use banner generators for video placements, and look out for validators and GAM helpers as the library grows.
Works alongside Genecy Templates for Google Ad Manager when you need advanced interactive formats.
FAQ
Who are these tools for?
Publishers, ad ops, and marketers using Google Ad Manager who want free utilities for creative production and QA.
Are they compatible with Google Ad Manager?
Yes. Tools are designed around GAM requirements, including clickTag support where applicable for HTML5 output.
Will more tools be added?
Yes. Planned additions include an HTML banner validator and a GAM ad units generator, grouped by category on this page.