19 tools that check banners, videos and copy against Google Ads, CM360, Meta, TikTok and YouTube rules: HTML5 validator, safe zones, loudness, VAST and a whole campaign QC report. Everything runs in your browser, so client files are never uploaded. Free to use with no account; Pro adds Auto Fix for rejected banners, white label reports and client delivery packages.
Stop guessing and endless revisions. Instantly preview UI danger zones for TikTok, Reels & Shorts, or validate HTML5 banner ads (size, clickTag) via drag-and-drop. 100% browser-based, zero uploads, complete privacy for your unreleased campaigns.
Free Safe Zone Checker & HTML5 ValidatorFree, local safe zone & HTML5 ad checker for marketersApr 2026
