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CodingBunny Image Optimizer

CodingBunny Image Optimizer converts images to WebP or AVIF, resizes them and generates their alt text automatically on upload, with optional cleanup, watermark, folder and protection extensions.

7.5/10Visit website (opens in a new tab)
Black Friday 2026When the sale starts and what to expectNot announcedCoupon codeNo public code right nowChecking

Who it's for

Anyone wanting faster page loads and better Core Web Vitals

  • Site owners who want free image compression and WebP or AVIF output
  • Sites that need alt text and a tidier Media Library

Best CodingBunny Image Optimizer features

  • WebP and AVIF conversion

    Converts images to WebP or AVIF on upload, with adjustable quality.

  • Automatic resizing

    Resizes images to a maximum width and height.

  • Bulk optimization

    Optimizes all Media Library images in batches.

  • Alt text generation

    Generates alt text on upload, with an optional AI mode (beta) that uses your own API key.

  • Lazy loading

    Loads images only when they are visible and preloads the largest image above the fold.

  • Image cleaner

    Finds unused, duplicate and missing images and lets you review them before deleting.

  • Watermarks

    Adds text or image watermarks on upload or in bulk.

Our verdict

Read the full review
7.5/10
  • Every feature is free, with no license and no image limits
  • Extensions stay off unless turned on, so they add no page weight
  • Converts to WebP or AVIF with Lossy, Glossy and Lossless presets
  • AI alt text is in beta and API costs are billed by the provider
  • Metadata removal needs the Imagick extension

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