OBJ to STL Converter
A binary STL triangle mesh. Read OBJ vertices and triangular or convex planar faces, calculate normals and write binary STL.
Open toolVideo thumbnail generator
Seek a browser-decodable local video and draw its frame onto a canvas. Container and codec support depend on the browser.
Free to useNo sign-upRuns in your browser
Enter your details
Enter the inputs, then select Extract video frame.
Your result
Enter your details
Result will appear here
How Video thumbnail generator works
Seek a browser-decodable local video and draw its frame onto a canvas.
The tool processes the supplied input with browser APIs and bundled local libraries.
How to extract video frame
Supply supported input and review the result.
Choose the supported file
Choose Video file. Processing reads the file in this browser.
Input and settings
Tool result
Review and save the result
Save a PNG frame at the requested time. Check the download in its target application before replacing your source.
Review the details
When to use Video thumbnail generator
Capture the opening frame
Leave the time at zero to extract the first decoded frame. A supported codec must be available in the browser.
Choose a frame later in a clip
Enter a time inside the clip duration and inspect the preview. Seeking depends on the source video timestamps.
Save a frame without uploading video
The selected file is read locally and the PNG is generated from the decoded pixels. Download the image before closing the page.
What the output contains
Review the format and conversion policy.
A PNG frame at the requested time. Container and codec support depend on the browser. No video upload. Up to 10 MB and 16 million decoded pixels; timestamp must be within the duration.
Keep the original while checking the saved output. The result reflects the input and settings you supplied.
Supported input and limits
Check these conditions before converting.
Container and codec support depend on the browser. No video upload. Up to 10 MB and 16 million decoded pixels; timestamp must be within the duration.
The page does not keep inputs or results after leaving. Keep the source and save the output you need.
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Open toolExtract video frame with your input
Review the supported output and save your result.
Video thumbnail generator: common questions
Answers about using Video thumbnail generator and understanding its results.
What output can I save?
Save a PNG frame at the requested time. Container and codec support depend on the browser. No video upload. Up to 10 MB and 16 million decoded pixels; timestamp must be within the duration.
Does the page upload my input?
No. Processing uses browser APIs and bundled local libraries. The selected file or entered source is not sent to a conversion server. Save the result before leaving.