ImageOptimizer

What ImageOptimizer is

ImageOptimizer is a browser-based image tool for compressing, resizing, and converting files to WebP or AVIF locally, without uploading them to the site. It accepts JPEG, PNG, WebP, GIF, AVIF, and TIFF, and includes batch processing, API access, and metadata controls. The About page also describes on-device background removal, with transparent PNG or WebP output, or a white fill for marketplace-style JPEGs. Signed-in users can export optimized files to Google Drive, Dropbox, and OneDrive. The site says files are not stored on its servers, including during cloud export; cloud export uses OAuth2 and encrypted API channels. All tiers are capped at 100 locally processed images per day. The free plan costs nothing and includes five Developer API calls per day for signed-in accounts. Starter costs $4.99 a month, Pro costs $14.99 a month, and Agency costs $49.99 a month, each billed monthly. Paid plans include unlimited compress, higher background removal and API limits, and SEO naming allowances of 200, 600, and 2,000 per month for Starter, Pro, and Agency respectively. The service identifies online stores, agencies and studios, and developers as intended users.