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https://github.com/nenotriple/batch_resize_images

This GUI script allows you to resize all images in the selected directory using various operations and conditions.
https://github.com/nenotriple/batch_resize_images

image-processing resize-images windows

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This GUI script allows you to resize all images in the selected directory using various operations and conditions.

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Batch Resize Images



This tool allows you to resize all images in the selected directory using various operations and conditions.





  app_cover




## 📝 Usage



Select a directory containing images, adjust the settings and conditions as desired, and run the program by pressing `Resize!`.



> [!NOTE]

> - Supported input filetypes: `JPG` `JPEG` `PNG` `WEBP` `BMP` `TIF` `TIFF`

> - Supported output filetypes: `AUTO` `JPG` `PNG` `WEBP`



## 💡 Settings Explained



- **Resize to:**

  - Resolution: Resize to a specific width and height, ignoring aspect ratio.

  - Percentage: Resize the image on a percent scale.

  - Width: Target the image width and resize it.

  - Height: Target the image height and resize it.

  - Shorter side: Target the shorter side of the image and resize it.

  - Longer side: Target the longer side of the image and resize it.



- **Condition:**

  - Upscale and Downscale: Resize the image to the new dimensions, regardless of whether they're larger or smaller than the original dimensions.

  - Upscale Only: Resize the image if the new dimensions are larger than the original dimensions.

  - Downscale Only: Resize the image if the new dimensions are smaller than the original dimensions.



- **Checkbuttons:**

  - Use Output Folder: When enabled, a new folder will be created in the image directory called 'Resize Output' where images will be saved.

  - Overwrite Files: When disabled, conflicting files will have a `_#` appended to the filename. If enabled, files with the same basename will be overwritten.

  - Save PNG Info: When enabled, this option will automatically save any PNG/WEBP chunk info to the resized output if saving as PNG or WEBP. If converting from PNG/WEBP to another type, then a text file will be created containing the metadata.

    - Handling WEBP metadata requires `ExifTool.exe` to be in the same folder as this application.

    - ExifTool (2003-2024) was created by Phil Harvey and can be downloaded from https://exiftool.org/



- **Filetype:**

  - Select 'AUTO' to output with the same filetype as the input image. Alternatively, choose a specific filetype to force all images to be saved with the chosen type.



- **Quality:**

  - Used to control the output quality of `JPG` and `WEBP` images. A higher value results in a higher quality output. (Ignored for `PNG`)



# 🚩 Requirements



> [!TIP]

> You don't need to worry about anything if you're using the [portable/executable](https://github.com/Nenotriple/batch_resize_images/releases?q=executable&expanded=true) version.



**Python 3.10+**



You will need `Pillow`



 - To install Pillow: `pip install pillow`



# 📜 Version History



[v1.06 changes:](https://github.com/Nenotriple/batch_resize_images/releases/tag/v1.06)



  - New:

      - Metadata can now be copied between PNG and WEBP images.

        - Copying metadata from PNG-to-WEBP and WEBP-to-PNG requires `ExifTool.exe` to be in the same folder as `batch_resize_images.exe`.

        - ExifTool (2003-2024) is created by Phil Harvey and can be downloaded from https://exiftool.org/







  - Other changes:

    - Clicking on the directory entry when it's displaying the default `...` will now clear the entry.

    - Minor UI tweaks.