Thumbnail, Crop & Overlay


Gumlet will automatically generate thumbnail for all your videos. If you want to generate thumbnail at specific second or percentage length of video, you can set this parameter in profile.

Gumlet will by default generate thumbnail in PNG format but that can also be changed with Thumbnail Format option in profile parameter.

Generated thumbnail also supports all image operations. For example, can have its size changed by applying width=500 parameter like this

Trim or Clip

You can trip or clip videos using this parameter.


These parameters allow you to crop videos.


Padding allows you to add padded space around your videos. You can also choose padding color, padding size and the place where you want to apply padding.

Image Overlay / Watermark

You can overlay / watermark image by providing image URL. Gumlet also gives ability to control place where you would like the watermark to show in final video.

Text Overlay

Text overlay allows setting any text as overlay on video. Font size, color, font face and position can be fully customised to suit your needs.

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