RIOT Forum

Radical Image Optimization Tool

1. saicode
   Member

   Hi Lucian!

   Thanks for such a neat piece of software.
   I really like RIOT!

   I have been looking for a way to batch resample/optimize JPG images based on the quality/compression level of the images.

   I want to do this so that I could select only those images which has less compression (let’s say 80-100%) and batch process them to lower compression level (say 75%) to save hard disk space.

   I have loads of reference images with various compression level. If I apply compression to all the images then the ones with already low compression get reprocessed resulting really lower quality images and sometime the image size increases also!

   Is it possible to add this kind of feature in RIOT?
   This kind of option would be truly great and helpful to many users.

   Posted 12 years ago #

2. luciansabo
   Key Master

   I plan to add a feature to output original image when the optimized is bigger (in Batch).
   The next version (0.5) will have the automatic mode, but what you are trying to accomplish is reduce the size by a certain ammount, which can be added to Compress to size as Compress to percent. just an idea. It is harder to get the used compression level for images with non-standard quantization tables (usually optimized ones).

   Posted 12 years ago #

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