WordPress Plugin

Automatically optimize images in your WordPress workflow with SmartPNG.

Start free with 500 compression credits every month.

SmartPNG Image Optimizer

Connect your SmartPNG API key once and manage optimizations directly from WordPress admin screens.

  • checkAutomatic optimization for new uploads
  • checkBulk optimization for unoptimized media
  • checkBackup and restore workflow for original files
  • checkMedia Library integration (list view and attachment details)
  • checkDashboard stats and credits display

For API credit packages and pricing details, see Pricing .

10 MB
max image size
1 successful compression = 1 credit

Plugin Features

The plugin is built for day-to-day media management and large image libraries.

Automatic Upload Optimization

When enabled, new images are optimized automatically after upload so your media stays lightweight by default.

  • Works on new media uploads
  • No extra manual step required
Bulk Optimization Flow

Run optimization for unoptimized media in one place, monitor progress, and review success/error results.

  • Batch process unoptimized assets
  • Track progress, success, and errors
Safe Backup and Restore

Backup originals before optimization and restore individual files directly from WordPress if needed.

  • Creates originals backup before optimize
  • Supports one-click restore per image
Admin Dashboard Insights

Track optimized image count, space savings, average savings percentage, and remaining SmartPNG credits.

  • See credits and storage savings
  • Review recent optimization activity

Quick Setup

Install the plugin, connect your API key, then start optimizing from Media Library or Bulk Optimize.

01
Install and Activate

Install SmartPNG from WordPress plugin screen and activate it.

02
Open Plugin Settings

Go to SmartPNG > Settings in your WordPress admin panel.

03
Add API Key

Paste your SmartPNG API key and run Test Connection.

04
Start Optimization

Optimize from Media Library actions or run Bulk Optimize.

Supported Formats
JPEG / JPGPNGWebP
Optimization Controls
  • Auto-optimize uploads
  • Optimize main image
  • Backup originals before optimization
  • API key validation and connection test
Notes
  • Backups are stored in wp-content/uploads/smartpng-backups.
  • Apache and IIS protection files are created automatically.
  • Add Nginx deny rules to block public backup access.