Create a custom safe area grid overlay for your 9:16 vertical videos. Ensure your captions, text, and UI elements stay visible across all social media platforms.
AI Generation Prompt
Vertical Video Safe Area Grid Overlay Generator
A professional-grade, browser-based utility designed to help video editors and content creators visualize safe zones for vertical (9:16) video content. The tool allows users to generate and download custom grid overlays to ensure text and UI elements remain visible across all mobile platforms.
Detailed Feature List
- Canvas Configuration: Preset 9:16 aspect ratio canvas with custom resolution support.
- Dynamic Overlays: Toggle between different UI layouts (e.g., standard social media UI, text-only safety zones, caption-safe zones).
- Real-Time Customization: Change grid line color, opacity, and thickness using a clean, modern color picker.
- Reference Image Upload: Upload a screenshot from your video to overlay the grid directly on your content.
- Export Utility: Download the created guide as a high-resolution, transparent PNG to import directly into video editing software (Adobe Premiere, DaVinci Resolve, CapCut, etc.).
- Zero-Storage Architecture: Runs entirely in memory. No server uploads, no cookies, no local storage.
UI Layout Specification
- Header: A clean, minimalist navigation bar featuring the tool title and a 'Reset' button.
- Main Content Area:
- Left Sidebar (Control Panel): Stacked vertical control groups using subtle cards. Includes sliders for Opacity, dropdowns for Grid Presets, and buttons for Image Upload/Download.
- Center Stage (Canvas): A centered, shadow-dropped canvas container that scales to fit the viewport. The canvas maintains the 9:16 ratio perfectly.
- No-Footer Policy: The design focuses on verticality and content; no footer is permitted to keep the interface uncluttered.
Design & Aesthetics
- Palette: A vibrant, professional light-mode aesthetic.
- Primary: Electric Blue (#3B82F6) for active buttons.
- Background: Soft off-white (#F9FAFB) for the page background.
- Surface: Clean white (#FFFFFF) for control cards.
- Text: Dark charcoal (#111827) for readability.
- Accents: Light grey (#E5E7EB) for borders and dividers.
- Animations:
- Smooth
transition-allon hover states for buttons. fade-inmicro-interactions when switching grid overlays.- Subtle, soft shadows (
shadow-smtoshadow-md) on interactable cards.
- Smooth
Technical Constraints for Developer
- Architecture: One single
.htmlfile containing HTML5, CSS3, and Vanilla JavaScript. - Dependencies: Tailwind CSS via CDN, FontAwesome for icons. No frameworks (React/Vue/Angular).
- Sandbox Compatibility:
- STRICT: No
localStorageorsessionStorage. Do not usedocument.cookie. - STRICT: Replace any native
alert(),confirm(), orprompt()with custom HTML5<div>modals.
- STRICT: No
- Performance: Use
requestAnimationFramefor any canvas rendering to ensure smooth interaction without lag.
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Frequently Asked Questions
Everything you need to know about using this application.
What is the purpose of a video safe area grid?
A video safe area grid helps content creators visualize exactly where UI elements, like comment buttons, descriptions, and profiles, will overlay their video content. By designing within these safe zones, you ensure that critical information or text is never obscured by the platform's native interface. This is essential for maintaining a high-quality viewer experience, especially in vertical, 9:16 aspect ratio videos. Using this tool, you can precisely place your text and important visuals in areas that remain clear and unobstructed for the user.
How do I use this tool for my video projects?
To use this tool, simply upload a reference frame or use the canvas settings to match your project's dimensions. The application will render an interactive grid overlay representing the safe zones for major social media platforms, showing you exactly where the UI typically encroaches. You can customize the opacity and color of the grid to match your video's color scheme, ensuring maximum visibility during the editing process. Once you have finalized your design, you can download the guide as a transparent PNG to use as a layer in your video editing software.
Does this tool save my videos or personal data?
This application operates entirely in your browser's memory. It does not save, upload, or transmit your images or videos to any server. Your content remains completely private on your local machine and is never stored in a database. Because the tool is designed as a secure, sandboxed utility, it does not use cookies, local storage, or server-side databases. Once you refresh the page, all temporary data is cleared, providing you with a clean slate for your next project.
Can I use this for Reels or Shorts as well as TikTok?
Absolutely. While the tool is optimized for 9:16 vertical video dimensions, it is highly versatile for any platform that uses a vertical layout. Whether you are creating content for Reels, Shorts, or other mobile-first video platforms, the safe zone principles remain effectively the same. The tool provides flexible configuration options, allowing you to adjust the grid margins and ratios to suit the specific layout requirements of different apps. This ensures your content looks professional and readable regardless of the platform it is posted on.
