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Free Video Thumbnail Grabber
Pull any frame as a full-resolution thumbnail.
Pick any moment in a video and export it as a JPG or PNG at the original resolution. Useful for YouTube thumbnails, blog hero images, social previews, or just grabbing a still from a clip you already shot. Free, browser-based, no watermark.
How Video Thumbnail Grabber works
- 1
Upload your video
Drop an MP4, MOV, or WebM up to 500 MB. Loads into a scrubbable player so you can find the exact frame you want.
- 2
Scrub to the frame
Use the timeline scrubber or arrow keys for frame-by-frame navigation. We show the timestamp in HH:MM:SS.MS so you can pick precisely.
- 3
Download as JPG or PNG
Choose JPG (smaller file, lossy) or PNG (lossless, good for logos / text overlays). The image comes out at your video's native resolution — 1080p, 4K, whatever you uploaded.
Why CinobiLabs
- Native resolution output — no forced downscale
- Frame-accurate scrubber with HH:MM:SS.MS picker
- JPG or PNG, your choice
- Free, no watermark, no signup
Frequently asked questions
What resolution is the thumbnail?
Same as your source video — 1080p in, 1080p out. 4K in, 4K out. We don't downscale unless you explicitly ask. For YouTube thumbnails, 1280×720 (720p) is enough; for high-res print or blog hero images, upload a 4K source.
JPG or PNG — which should I pick?
JPG for photos and natural-scene frames (~5–10× smaller file, no visible quality loss). PNG when the frame contains text overlays, logos, sharp edges, or you plan to edit it further (PNG preserves every pixel exactly).
Can I grab multiple frames at once?
Currently one frame at a time. For multi-frame extraction (e.g. every 1 second of a 30-second clip = 30 thumbnails), use ffmpeg directly — we may add bulk export if there's demand.
Does it work on YouTube videos?
You need to upload the video file itself — we don't pull frames from YouTube URLs (their ToS doesn't allow it). Download the video locally first if you have rights to it, then upload here.
Is it really free?
Yes. No watermark, no account, no daily limit. The tool runs server-side ffmpeg which costs us almost nothing per thumbnail, so we don't meter it.
Can I use the thumbnail commercially?
Whatever rights you have to the source video, you have to the thumbnail — we don't add any restrictions. If you own the video, you own the frame.
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