# The number of images is wrong when the dataset is enhanced

**URL:** <https://discuss.roboflow.com/t/the-number-of-images-is-wrong-when-the-dataset-is-enhanced/4868>\
**Category:** 🤝  Community Help\
**Created:** [March 17, 2024, 6:27pm UTC](https://discuss.roboflow.com/t/the-number-of-images-is-wrong-when-the-dataset-is-enhanced/4868 "2024-03-17T18:27:33Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![8410ttt](https://yyz1.discourse-cdn.com/flex029/user_avatar/discuss.roboflow.com/8410ttt/32/4028_2.png) [@8410ttt](https://discuss.roboflow.com/u/8410ttt)\
**Post date:** [March 17, 2024, 6:27pm UTC](https://discuss.roboflow.com/t/the-number-of-images-is-wrong-when-the-dataset-is-enhanced/4868/1 "2024-03-17T18:27:33Z")

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I have 250 PNG images and their corresponding annotation files. After uploading, they became 397 images, and after data augmentation, the image format changed to JPG. Why did this happen

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**Author:** ![Jacob\_Witt](https://yyz1.discourse-cdn.com/flex029/user_avatar/discuss.roboflow.com/jacob_witt/32/347_2.png) [@Jacob\_Witt](https://discuss.roboflow.com/u/Jacob_Witt)\
**Post date:** [March 18, 2024, 8:07pm UTC](https://discuss.roboflow.com/t/the-number-of-images-is-wrong-when-the-dataset-is-enhanced/4868/2 "2024-03-18T20:07:24Z")

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All images are exported from Roboflow as .jpg

Did you use augmentations? That will increase the number of images in a version.

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**Author:** ![system](https://canada1.discourse-cdn.com/flex029/uploads/roboflow1/original/1X/bb6edbfa56d0cf2ee603f061e9e09103502cc8cc.png) [@system](https://discuss.roboflow.com/u/system)\
**Post date:** [April 8, 2024, 8:08pm UTC](https://discuss.roboflow.com/t/the-number-of-images-is-wrong-when-the-dataset-is-enhanced/4868/3 "2024-04-08T20:08:04Z")

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