# Is creating thumbnail images and VTT files will slow down overall encoding time

**URL:** <https://community.bitmovin.com/t/is-creating-thumbnail-images-and-vtt-files-will-slow-down-overall-encoding-time/3095>\
**Category:** Support\
**Tags:** bitmovin-player, bitmovin-encoding, bitmovin\
**Created:** [July 11, 2024, 6:22am UTC](https://community.bitmovin.com/t/is-creating-thumbnail-images-and-vtt-files-will-slow-down-overall-encoding-time/3095 "2024-07-11T06:22:57Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![vinayak.baye](https://avatars.discourse-cdn.com/v4/letter/v/eb8c5e/32.png) [@vinayak.baye](https://community.bitmovin.com/u/vinayak.baye)\
**Post date:** [July 11, 2024, 6:22am UTC](https://community.bitmovin.com/t/is-creating-thumbnail-images-and-vtt-files-will-slow-down-overall-encoding-time/3095/1 "2024-07-11T06:22:57Z")

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### Product

Encoding - VOD

### Question

I have 2 questions here

1. Is there any cost involved in creating thumbnail images and VTT files through bitmovin api?
2. Is there any additional cost for creating thumbnail images and VTT files through bitmovin api ?

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**Author:** ![Neil](https://sea1.discourse-cdn.com/flex015/user_avatar/community.bitmovin.com/neil/32/118_2.png) [@Neil](https://community.bitmovin.com/u/Neil)\
**Post date:** [July 15, 2024, 12:32pm UTC](https://community.bitmovin.com/t/is-creating-thumbnail-images-and-vtt-files-will-slow-down-overall-encoding-time/3095/2 "2024-07-15T12:32:05Z")

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Hi Vinayak,

I answered the other thread confirming there is no additional cost for using these features.  
Generating thumbnail assets and vtts of course requires some extra processing but the additional time needed is not significant.

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**Author:** ![system](https://us1.discourse-cdn.com/flex015/uploads/bitmovin/original/1X/1ab86334145095b0af9c5b924fa3ae6d920b6482.png) [@system](https://community.bitmovin.com/u/system)\
**Post date:** [July 15, 2024, 1:32pm UTC](https://community.bitmovin.com/t/is-creating-thumbnail-images-and-vtt-files-will-slow-down-overall-encoding-time/3095/3 "2024-07-15T13:32:13Z")

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