Use it as a working system
- Replace example rows with your own planning data.
- Keep categories and naming consistent so summaries remain useful.
- Use XLSX/CSV/PDF exports when the workflow benefits from continued editing or sharing.
YouTube Thumbnail Safe-Zone & Composition Studio
Design or review a 16:9 YouTube thumbnail with configurable edge-safe guides, subject placement checks, and local image export.
Creator workspace, local by default. Images, plans and metrics stay in this browser. OpenFileTools does not connect to creator accounts or publish content for you.
Creator & social toolkit
YouTube Thumbnail Studio
Design or review a 16:9 YouTube thumbnail with configurable edge-safe guides, subject placement checks, and local image export.
The red guide is a configurable composition aid, not an official guarantee for every YouTube surface or device. Keep critical text and logos comfortably inside the center and verify the final upload in YouTube Studio.
Design or review a 16:9 YouTube thumbnail with configurable edge-safe guides, subject placement checks, and local image export. The workflow is designed as a repeat-use local workspace rather than a thin one-click page.
How OpenFileTools processes it
Local processing, explicit choices.
The browser stores working data in local component state, calculates summaries on-device, and creates requested downloads locally. OpenFileTools does not receive the working dataset.
Questions, answered.
Is my data uploaded?
No. Batch 4 planners, decision systems, SEO workbenches and local media composition tools process their working data in this browser tab.
Does this use live external data?
No. Unless a future tool explicitly says otherwise, Batch 4 uses only the values and files you provide.
Related guide
Read the related guide