Safe Zone Checker
Upload a frame from your vertical video and see where YouTube Shorts, Instagram Reels and TikTok place their buttons and captions.
Drop a frame or thumbnailor click to choose a 9:16 image. It stays on your device.
Overlay sizes are approximate. Apps change their layouts between versions and devices, so check in the app before you post.

How to use the Safe Zone Checker
Pick a platform
YouTube Shorts, Instagram Reels or TikTok.
Add your frame
Drop in a still from your video or your thumbnail.
Keep it inside the box
Move text and faces into the green safe area.
FAQ
Is my image uploaded anywhere?
No. The image is read in your browser and never leaves your device.
Are the overlay sizes exact?
No. They're approximate and change between app versions, phones and languages. Use them as a guide, then check in the app.