- Intent
- Upload one creative image and preview how it appears on common smartphone/tablet viewport sizes before publishing ads or LP assets.
- What it does
- Shows your uploaded image inside multiple device-sized preview frames and calculates font-size scaling based on your design base width.
- Key features
- Phone + tablet viewport previews, Design base width control, Font-size scaling table, Local-only processing
- Privacy
- Runs locally in your browser. Uploaded images are not sent to a server.
- Best for
- Ad creative checks before campaign launch
- LP hero image checks for mobile readability
- Teams validating text size shrink on small screens
- Why this tool
- Fast visual check across multiple devices on a desktop workflow
- Numeric font-size scale estimates alongside visual preview
- No upload pipeline; quick iteration in-browser