Comment utiliser : Thumbnail & Hook Checker
- Open a video – Scrub, pick a frame, or grab the last frame.
- Add a short title – Two to five bold outlined words, with a safe-zone guide.
- Download – PNG at 1280×720, 9:16, or YouTube channel art size.
À propos : Thumbnail & Hook Checker
Make a YouTube thumbnail or a Shorts/Reels cover from an actual frame of your video – not a blank template. Scrub to the moment you want, or jump to the exact last frame and save it as PNG. Add a 2–5 word title in big outlined type, preview 16:9 (1280×720) or 9:16, and show a safe-zone guide. The hook checker shows a filmstrip of the first second and the first three seconds so you can see whether the opening is strong. Channel art (2560×1440 with the YouTube-safe centre) is included. Nothing is uploaded.
Questions fréquentes
Can I export just the last frame?
Yes – Last frame saves the exact final picture as a PNG.
What is the hook checker?
A filmstrip of frames from 0–1 s and 0–3 s, so you can judge the opening before you post.
Is the Thumbnail & Hook Checker free?
Yes, completely free with no signup and no daily limit.
Does it work on my phone?
Yes. It works in any modern browser on iPhone, Android, Windows and Mac.
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