Cimo – Free Instant Image Optimizer & WebP Converter

Changelog

1.3.1

  • Fixed: Optimization metadata may not be attached if uploading images with the same filename #40
  • Fixed: Added view all stats link
  • Fixed: Added upgrade links

1.3.0

  • New: Bulk optimization without server processing (premium)
  • New: Frontend file uploads can now be optimized (premium)
  • New: Integrations to popular WordPress Form plugins (premium)
  • New: Added stealth mode (premium)
  • New: Added settings link in plugins page entry
  • New: Added support for dropping images in WooCommerce descriptions
  • Fixed: Cimo settings page improvements
  • Fixed: Improvements on stats metabox styling

1.2.3

  • New: Added SVG Optimization (premium)
  • New: Added HEIC image format support (premium)
  • Fixed: Dropping files stopped working in some instances #32

1.2.2

  • Fixed: Uploading an image via Media > Add Media File doesn’t show stats #4
  • Fixed: Dragging multiple images in quick succession sometimes doesn’t optimize the image #3
  • Fixed: LQIP doesn’t work correctly when the image has a srcset attribute #11
  • Fixed: Closing the upload button on the block toolbar stops uploading of media #9
  • Fixed: Uploading images with the same name in the same session doesn’t add the metadata correctly #8

1.2.1

  • New: If the resulting optimized image is bigger than the original image, the image is now skipped and the original image is kept.
  • Fixed: Fixed license activation issue

1.2.0

  • New: Video Optimization (premium)
  • New: Audio Optimization (premium)
  • New: Low Quality Image Placeholders (premium)
  • New: Added rating notice at the right time
  • Fixed: Now intercepts media uploads when performed inside the block editor iframe

1.1.2

  • Fixed: When uploading images, the original image is also uplaoded.

1.1.1

  • Fixed: When uploading images using Safari, images will just upload as they normally would.

1.1.0

  • New: Statistics dashboard showing total storage saved, compression ratio, and media optimized
  • New: Admin settings page under Settings > Cimo
  • New: WebP quality control slider (1-100%) for custom compression levels
  • New: Maximum image dimension setting to automatically resize large uploads
  • New: WordPress automatic scaling control (disable the 2560px scaling threshold)
  • New: Granular thumbnail generation control – disable all or select specific thumbnail sizes
  • New: “Recommended” preset for one-click optimal settings

1.0.5

  • Fixed: Metadata saving fails if WP is installed in a subdirectory

1.0.4

  • New: Added partial support for Divi

1.0.3

  • Fixed: File prefixes are no longer used during the optimization process. The original file names are now retained.

1.0.2

  • Fixed: Dragging images on a blank editor or on top of other blocks now converts images
  • Fixed: Dragging images into the block editor now converts images
  • Fixed: Clicking on the Upload button on an image block directly now converts images
  • Fixed: Uploading images from Media > Library and in grid view now converts images
  • Fixed: Minor console JS error in some admin pages
  • Change: Added admin notice to let user know what to expect

1.0.1

  • Fixed: Minor string translation tweaks

1.0.0

Initial release of Cimo – bringing free, unlimited image optimization and compression to WordPress.

  • Initial release
  • Client-side image optimization
  • WebP conversion support
  • Unlimited compression
  • Privacy-first approach

Plugin Website
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Version:
1.3.1
Last Updated
April 10, 2026
Active Installs
6000
Requires
WordPress 6.7.5
Tested Up To
WordPress 7.0
Requires PHP
8.0

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