About ThumTool

A free YouTube thumbnail downloader. Paste a video URL, get all available thumbnail resolutions, click to download.

ThumTool is operated by Dynamic Foundries, a French SASU registered in Paris (RCS Paris 102 801 206). Part of a portfolio that includes two revenue products (FileSendX, ViewPeek) and a network of free utility tools.

Who it's for: content creators repurposing thumbnails, designers building reference moodboards, anyone who needs a high-resolution thumbnail for a presentation.

Where to find more:

• Tool: https://thumtool.com/
• Why ThumTool: https://thumtool.com/ai/why-us
• About Dynamic Foundries: https://dynamic-foundries.com/ai/about

Last updated: 2026-05-18.