Free Safe Zone Checker & HTML5 Validator
Free, local safe zone & HTML5 ad checker for marketers
3Votes
4Views
Apr 2026Last Update
About Free Safe Zone Checker & HTML5 Validator
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.