Magento 2 Product Image Cache Switch | Emmo
- Item Number (EMMO): magento-2-product-image-cache-switch
Key facts at a glance
Emmo · Magento 2
Turn Magento product image cache writes on or off
Magento resizes every product photo into theme sizes and writes them under pub/media/catalog/product/cache. After a cache flush, an import, or a theme change, that folder fills again. This switch is one Admin Yes/No: keep generation on, or skip writing new resized cache files.
Admin Yes / No
Store scope
Skip cache writes
Originals stay
The setting
Stores → Configuration → Emmo → Product Image Cache
Enable Product Image Cache Generation defaults to Yes — Magento writes resized files as usual. Set No and the module skips saveFile on the catalog product image. Existing cache files are not deleted.
Stores → Configuration
Emmo → Product Image Cache
Enable Product Image Cache Generation
Yes = write resized cache
No = skip new cache writes
Default: Yes
Scope: store view
What it touches
New cache files — not the gallery originals
On (default)
Magento generates and saves resized product images to the catalog image cache. Same as stock Magento.
Off
New resized files are not written. Disk stops growing from automatic cache generation.
Left alone
Originals in pub/media/catalog/product. Files already in cache. The product gallery in Admin.
Per store
Website and store view scopes. Pause generation on staging and keep it on for the live view.
Use it / leave it
A generation pause — not a media cleaner
Turn it Off when
You do not want Magento rewriting cache right now- You flushed image cache and need disk I/O to stay quiet
- A catalog import or theme change would regenerate thousands of sizes
- Staging or a copy of production should not fill product/cache
- A CDN or another resize path already serves the sizes you need
Keep it On when
The storefront still needs Magento’s resized files- You emptied pub/media/catalog/product/cache and shoppers still hit those URLs
- You expected a delete tool — this does not remove files
- You need unused originals gone — that is a different module
- You have not flushed Magento config cache after saving No
Off is a write skip, not a flush. Cache files already on disk stay. If the cache folder is empty and generation is Off, resized URLs can 404 until you turn it On again or put files back.
Go live
Five steps. Flip one Yes/No.
1
Install
Enable Emmo_ProductImageCacheSwitch and run setup:upgrade.
2
Open config
Stores → Configuration → Emmo → Product Image Cache.
3
Set the switch
Yes to generate. No to skip new cache writes. Save.
4
Flush config
Clear Magento configuration (and FPC if you use it) so the store reads the new value.
5
Check
Open a product. With Off, new files should not appear under catalog/product/cache.
What you get
Compatibility
Magento Open Source & Adobe Commerce
PHP 8.1–8.5
Stores configuration
Store-view scope
Downloads
- Module package — unzip as app/code/Emmo/ProductImageCacheSwitch, enable, run setup:upgrade
- Setting — emmo_product_image_cache/general/enabled
Not included
No image flush. No unused-file delete. No resize CLI. It only stops or allows Magento writing new product image cache files.
Pause Magento product image cache writes from Admin — then turn them back on when you are ready. Support: [email protected]
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