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Smart Image Resize – Make WooCommerce Images the Same Size

Smart Image Resize – Make WooCommerce Images the Same Size

Por Nabil Lemsieh
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Descrição

Smart Image Resize automatically resizes, aligns, and standardizes your product images so they appear uniform and professional — regardless of how they were uploaded.

Whether you’re importing products from suppliers, using different image sizes, or struggling with layout issues, this plugin helps you:

  • Make all product images the same size
  • Remove whitespace and align images
  • Save time — no need to manually edit or crop images

The result? A cleaner, more trustworthy WooCommerce store that converts better.

Some Use Cases

  • Imported products with inconsistent image sizes
  • Dropshipping stores with inconsistent supplier images
  • Large catalogs (10,000+ products) needing automation
  • Multivendor marketplaces where sellers upload images in different sizes
  • Stores migrating themes and needing standard-size images

🛠️ Free Features

  • ✅ Resize up to 150 product images automatically.
  • ✅ Remove unwanted white space to keep products centered and clean.
  • ✅ Add background color to match your brand
  • ✅ Compress thumbnails to boost site loading speed.
  • ✅ Generate only necessary thumbnails and remove unused ones.
  • ✅ Select specific images to resize for more control.

🔥 Pro Features

  • ♾ No limits – resize unlimited product images.
  • ✈️ PNG to JPG auto conversion – reduce size, keep quality.
  • 🚀 WebP image support – load faster, retain transparency
  • 🔒Watermark protection – keep your images safe and branded
  • 🛟 Priority support – get fast help via chat or email

Upgrade to Smart Image Resize PRO!

Usage

After installation, Smart Image Resize will automatically resize new images on upload.

To resize existing images, follow these steps:

  1. Install Regenerate Thumbnails plugin.
  2. Go to Tools > Regenerate Thumbnails.
  3. Click the button Regenerate Thumbnails For All Attachments.

You can adjust the settings by going to WooCommerce > Smart Image Resize

For more details, visit the documentation.

Explore Our Other plugins:

HurryTimer – A powerful countdown timer to create urgency and drive sales
ReThumbify – Regenerate thumbnails with pause/resume, cleanup, and selective regeneration.

Capturas de tela

  • Before and after using the plugin.
  • Settings page.
  • Select sizes to generated.
  • Add custom background color of the new area.

Instalação

  1. Upload smart-image-resize folder to the /wp-content/plugins/ directory

  2. Activate the plugin through the ‘Plugins’ menu in WordPress

    Note: Make sure PHP Fileinfo extension is enabled in you server.

Perguntas frequentes

My product images are showing in different sizes, will the plugin make them uniform without cropping?

Indeed, addressing this issue is the primary purpose of our plugin.

Does the plugin automatically resize images on upload?

Yes.

How do I resize already-uploaded product images?

To resize existing images, follow these steps:

  1. Install Regenerate Thumbnails plugin.
  2. Navigate to Tools > Regenerate Thumbnails.
  3. Click on the, click on Regenerate Thumbnails For All N Attachments button.

NOTE If old images are still appearing, be sure to clear your cache.

Will this affect non-product images?

By default, the plugin only resizes product images. However, you have the option to enable resizing for category images in the plugin settings.

I need to change the default WooCommerce sizes, is it possible?

Yes. To change the default WooCommerce sizes, navigate to WooCommerce Smart Image Resize Settings in your WordPress dashboard.

Is the plugin compatible with Dokan Multivendor?

Yes.

Can I undo changes?

Absolutely yes! to revert changes, deactivate the plugin and run the Regenerate Thumbnails tool.

How can I know which images have been resized?

To view resized images, apply the filter “Smart Resize: Processed” in your Media Library.

Is the plugin compatible with WooCommerce HPOS?

Yes, the plugin is fully compatible with WooCommerce HPOS (High-Performance Order Storage).

Is the plugin compatible with WP CLI?

Yes. You can use the command wp media regenerate to resize your existing images.

Can I use the plugin to resize non-product images as well?

Yes, you can use the plugin to resize non-product images as well. Here’s how.

I get an error when I upload an image

If you encounter an error when uploading an image, ensure that the PHP fileinfo extension is enabled on your server.

Still have questions?

If you can’t find the answer to your question, we may have posted it in our FAQ

How do I get support?

If you have trouble with the plugin, create a ticket on the support forum and we’ll make sure to look into it.

If you are a pro user, contact the support on the official plugin site.

Avaliações

Only works halfway

9 maio, 2025 1 resposta
The plugin creates new images but does not change the original. Many of the current (premium) themes automatically change the uploaded images to .webp. Because these are so small, they use the original for zoom images, product thumbnails and lightbox. I manage 10+ webshops with different premium themes and see that the images created by the plugin are only used in the product gallery and product image. The thumbs, zoom, etc. are the unmodified original image. So if the original is also modified, the plugin works 100%, now it only works half.

Great but needs UPSCALING

14 março, 2024 1 resposta
I have the pro version and overall I like this plugin but it’s missing some features that I feel are critical. I’ve had the pro version for a few years but now I’m looking elsewhere to find the features shown below. I will not be renewing if nothing has changed. Upscaling images so that you can meet the minimum sizes required by different platforms. Modified images should replace the original images to drastically save space. Set minimum sizes so that after trimming an image it’s not smaller than the set size. Option to manually process images from the media screen. Include the image regeneration ability within the plugin instead of relying on another 3rd party plugin. It would be nice if you had accounts on your site for accessing subscription and license information.
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Colaboradores e desenvolvedores

“Smart Image Resize – Make WooCommerce Images the Same Size” é um programa de código aberto. As seguintes pessoas contribuíram para este plugin.

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Registro de alterações

1.12.1

  • Admin tweaks for better user experience.

1.12.0

  • Introduced a new filter wp_sir_exclude_trim_sizes that allows excluding certain image sizes from the whitespace trimming functionality.
  • Added support for AVIF format.
  • Admin tweaks for better user experience.
  • Fixed a compatibility issue with the new version of the Phlox theme.
  • Various improvements and bugfixes.

1.10.2

  • Various improvements and bugfixes.

1.10.0

  • Added support for Phlox theme.
  • Added an option to prevent upscaling of small images.
  • Introduced a dedicated “Help” tab featuring setup guides and troubleshooting resources.
  • Addressed an issue with some thumbnail regeneration plugins not using the edited version of images modified in WordPress’s built-in image editor
  • Enhanced the settings page to improve user experience.
  • Process image when set_post_thumbnail is called.
  • Improved compatibility with PHP 8.3
  • Various minor bugfixes and stability improvements

1.8.1

  • Declare compatibility with custom order tables for WooCommerce.

1.8.0

  • Added a new experimental setting “Cropping mode”. To enable it, add the filter: add_filter('enable_experimental_features/crop_mode', '__return_true' );

1.7.7

  • Improved compatibility with new themes and plugins
  • Fixed an issue with the Trim whitespace’s border size option not working properly in GD.
  • Fixed an issue in v1.7.6 causing some plugins’ assets to not load properly.
  • Declare compatibility with WooCommerce 6.9
  • Minor bugfixes

1.7.6

  • Deleted the option “Use WordPress cropping” as it seems to be causing some confusion for many users. To prevent specific sizes from being resized by the plugin use the filter wp_sir_exclude_sizes to return an array of size names you want to exclude.
  • Fixed an issue with WebP files not deleted when the WebP feature is turned off.
  • Declared compatibility with WooCommerce 6.3
  • Added a work-around to fix a bug in Regenerate Thumbnails causing the latter to interfere with WPML.
  • Stability improvements

1.7.5.3

  • Fix a bug when background processing is trigged from the frontend.

1.7.5.2

  • bugfixes

1.7.5

  • Recheck and process skipped images in the background after the parent post is saved.
  • Replace “Resize fit mode” option with “Use WordPress cropping”.
  • Fix issue with Trimming border size limited to original image size.
  • Improve CMYK images handling
  • Format error message in WP CLI and avoid halting execution.
  • Fix an issue with CMYK profile not being converted to RGB in Imagick.
  • Use another image processor as fallback when current one doesn’t support WebP.
  • Fix an issue with default image processor when Imagick doesn’t support WebP.
  • Minor bugfixes
  • Stability improvement
  • Performance improvement.

1.6.2

  • Use another image processor as fallback when current one doesn’t support WebP.
  • Fix WebP Images not served in Ajax responses
  • Fix an issue with default image processor when Imagick doesn’t support WebP.

1.6.1

  • Add the ability to custom woocommerce default sizes.
  • Stability improvement

1.6.0

  • Add the ability to specify the resize fit mode for each size.
  • Stability improvement

1.5.5.1

  • Stability improvement

1.5.5

  • Fix color issue with some CMYK images.
  • Fix faded images in some Imagick installs.

1.5.4

  • Fix an issue with some themes not loading the correct image size.

1.5.3

  • Stability improvement

1.5.2

  • Fix thumbnail overwriten by WordPress when original image and thumbnail dimensions are identical
  • Fix an issue with Flatsome using full size image instead of woocommerce_single for lazy load.
  • Ignore sizes with 9999 dimension (unlimited height/width).
  • Improve WebP availability detection.

1.5.1

  • Use Imagick as default when available.
  • Fix Avada not serving correct thumbnails on non-WooCommerce pages.
  • Improve the user experience of the settings page.

1.5.0

  • Filter processed images in the media library toolbar
  • Add filter wp_sir_serve_webp_images
  • Improve Whitespace trimming tool

1.4.10

  • Declare compatibility with WooCommerce (v5.2)

1.4.9

  • Use GD extension by default to process large images.

1.4.8

  • Fixed an issue with some images in CMYK color.

1.4.7

  • Fixed an issue with PNG-JPG conversion conflict
  • Added support for WCFM plugin.
  • Declared compatibility with WooCommerce (v5.0)
  • Stability improvement

1.4.6

  • Added tolerance level setting to trim away colors that differ slightly from pure white.
  • Improved unwanted/old thumbnails clean up.

1.4.5

  • Added compatibility with WooCommerce 4.9.x
  • Stability improvement.

1.4.4

  • Improved bulk-resizing using Regenerate Thumbnails plugin.
  • Stability improvement.

1.4.3

  • Fixed a minor issue with JPG images quality when compression is set to 0%.
  • Stability improvement.

1.4.2.7

  • Fixed an issue with UTF-8 encoded file names.

1.4.2.6

  • Improved compatibility with WC product import tool.

1.4.2.5

  • Fixed an issue when uploading non-image files occured in the previous update.

1.4.2.3

  • Turned off cache busting by default.

1.4.2.2

  • Fixed WebP images not loading in some non-woocommerce pages.

1.4.2.1

  • Fixed trimming issue for some image profiles (Imagick).
  • Added an option to specify trimmed image border.

1.4.2

  • [Fixed] an issue with WebP images used in Open Graph image (og:image).
  • Stability improvement

1.4.1

  • Fixed a bug with WebP not installed on server.
  • Fixed an issue with front-end Media Library.

1.4.0

  • Added support for category images.
  • Ability to decide whether to resize an image being uploaded directly from the Media Library uploader.
  • Support for WooCommerce Rest API
  • Developers can use the boolean parameter _processable_image to upload requests to automatically process images.
  • Added filter wp_sir_maybe_upscale to prevent small images upscale.
  • Process image attachment with valid parent ID.
  • Fixed a tiny bug with compression only works for converted PNG-to-JPG images.
  • Fixed an issue with srcset attribute caused non-adjusted images to load.
  • Fixed an issue with trimmed images stretched when zoomed on the product page.
  • Improved support for bulk-import products.
  • Improved processing performances with Imagick.

1.3.9

  • Fix compatibility issue with Dokan vendor upload interface.
  • Performances improvement.

1.3.8

  • Added compatibility with WP 5.4
  • Added support for WP Smush
  • Stability improvement.

1.3.7

  • Stability improvement.

1.3.6

  • Fix a minor issue with image parent post type detection.
  • Added a new filter wp_sir_regeneratable_post_status to change regeneratable product status. Default: publish

1.3.5

  • Regenerate thumbnails speed improvement.

1.3.4

  • Stability improvement

1.3.3

  • fixed a minor issue with settings page.

1.3.2

  • Added thumbnails regeneration steps under “Regenerate Thumbnails” tab.

1.3.1

  • Fixed a minor bug in Regenerate Thumbnails tool.

1.3

  • Added a built-in tool to regenerate thumbnails.
  • woocommerce_single size is now selected by default.
  • Stability improvement.

1.2.4

  • Fix srcset images not loaded when WebP is enabled.

1.2.3

  • Set GD driver as default.
  • Stability improvement.

1.2.2

  • Prevent black background when converting transparent PNG to JPG.
  • Fixed random issue that causes WebP images fail to load.
  • Stability improvement.

1.2.1

  • Added settings page link under Installed Plugins.

1.2.0

  • Added Whitespace Trimming feature.
  • Various improvements.

1.1.12

  • Fixed crash when Fileinfo extension is disabled.

1.1.11

  • Added support for Jetpack.

1.1.10

  • Fixed conflict with some plugins.

1.1.9

  • Prevent dynamic resize in WooCommerce.

1.1.8

  • Handle WebP not installed.

1.1.7

  • Fixed mbstring polyfill conflict with WP mb_strlen function

1.1.6

  • Added polyfill for PHP mbstring extension

1.1.5

  • Force square image when height is set to auto.

1.1.4

  • Fixed empty sizes list

1.1.3

  • Fixed empty sizes list

1.1.2

  • Added settings improvements
  • Added processed images notice.

1.1.1

  • Added fileinfo and PHP version notices
  • Improved settings page experience.

1.1.0

  • Introducing Smart Image Resize Pro features
  • Various improvements

1.0.13

  • Fixed some images not resized correctly.

1.0.12

  • Minor bugfix

1.0.11

  • Errors messages now are displayed in media uploader. This will help debug occured problems while resizing.

1.0.10

  • The PHP Fileinfo extension is required. Now you can see notice when it isn’t enabled.

1.0.9

  • Fixed bug that prevents upload of non-image files to the media library.

1.0.8

  • Skip woocommerce_single resize

1.0.7

  • Stability improvement

1.0.6

  • Bugfix

1.0.5

  • Bugfix

1.0.4

  • Removed deprecated option.

1.0.3

  • Small images resize improvement.

1.0.2

Improve stability

1.0.1

  • Add ability to add custom color in settings.
  • Fixbug for some PHP versions.

1.0.0

  • Public Release

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4.6 de 5 estrelas.

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