Title: Double compression question
Last modified: January 10, 2017

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# Double compression question

 *  Resolved [Lyndon Roeller](https://wordpress.org/support/users/lyndonr/)
 * (@lyndonr)
 * [9 years, 4 months ago](https://wordpress.org/support/topic/double-compression-question/)
 * I’m curious about how your compression works with WordPress’ builtin compression.
 * When an image gets uploaded is it first compressed by WordPress (quality 82) 
   then gets sent over to you, or is it the other way around? Perhaps WordPress’
   compression is bypassed altogether (although I suspect not).
 * I’ve had instances where it seems like my images are getting overly compressed
   and showing a fair amount of artifacts and I’m wondering if this is what’s going
   on. Perhaps there’s a best practice you could share?
 * Any light you can shed would be great!

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Plugin Author [TinyPNG](https://wordpress.org/support/users/tinypng/)
 * (@tinypng)
 * [9 years, 4 months ago](https://wordpress.org/support/topic/double-compression-question/#post-8642231)
 * The original quality is overridden by the plugin to be high enough to prevent
   artefacts by double compression in the vast majority of cases.
 * Since you report you see artefacts, we’d be very interested to look at the images
   that you have uploaded. It would be great if you could send both the originals
   and the compressed versions to [support@tinypng.com](https://wordpress.org/support/topic/double-compression-question/support@tinypng.com?output_format=md).
 * Thanks!
 *  Thread Starter [Lyndon Roeller](https://wordpress.org/support/users/lyndonr/)
 * (@lyndonr)
 * [9 years, 4 months ago](https://wordpress.org/support/topic/double-compression-question/#post-8642292)
 * Great, thanks for the quick answer!
 * To clarify, the plugin sets WordPress’ quality from 82 to 100? So WordPress’ 
   compression is not in the mix at all, correct?
 * Sorry, I’m sure it’s not that simple but I would like to know more.
 * Lyndon
 *  Plugin Author [TinyPNG](https://wordpress.org/support/users/tinypng/)
 * (@tinypng)
 * [9 years, 4 months ago](https://wordpress.org/support/topic/double-compression-question/#post-8645822)
 * The quality is not set to 100, because that is excessively high and would only
   cause unnecessary delays because the files are much larger. I believe it is set
   to 85 in the current version, which yields good results in our tests.
 *  Thread Starter [Lyndon Roeller](https://wordpress.org/support/users/lyndonr/)
 * (@lyndonr)
 * [9 years, 4 months ago](https://wordpress.org/support/topic/double-compression-question/#post-8646177)
 * Cool. Thank you again for the info. So basically, yes compression is happening
   both by WordPress and then by TinyPNG (for JPEG). WordPress [sets JPEG compression to 82](https://make.wordpress.org/core/2016/02/22/proposal-increase-the-default-image-compression-in-wordpress/)
   and you guys up that slightly to 85.

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘Double compression question’ is closed to new replies.

 * ![](https://ps.w.org/tiny-compress-images/assets/icon-256x256.png?rev=3448487)
 * [TinyPNG - JPEG, PNG & WebP image compression](https://wordpress.org/plugins/tiny-compress-images/)
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 * 4 replies
 * 2 participants
 * Last reply from: [Lyndon Roeller](https://wordpress.org/support/users/lyndonr/)
 * Last activity: [9 years, 4 months ago](https://wordpress.org/support/topic/double-compression-question/#post-8646177)
 * Status: resolved