ImgOptimizer
Optimize images instantly nothing leaves your device and API
ImgOptimizer launched on March 23, 2026 with 4 votes, #2,516 of 23,380 launches that month and more than 75% of that year's launches.
What it does
imgoptimizer compresses, resizes, and converts your images directly in the browser — no uploads, no privacy risks, no cost.
online image optimizer — compress, resize, and convert PNG, JPEG, WebP, AVIF images instantly in your browser.
ImgOptimizer is a free, browser-based image optimization tool. Compress, resize, and convert images to JPEG, WebP, AVIF, or PNG format instantly — no upload required, no server processing. Your images never leave your device. ImgOptimizer supports direct upload to Amazon S3 via presigned PUT URLs. After optimizing an image, click the Upload to S3 button, paste a presigned URL from your AWS SDK, and the browser uploads directly to your bucket. Compatible with any S3-compatible storage (AWS S3, Cloudflare R2, MinIO, DigitalOcean Spaces). ImgOptimizer provides a REST API at imgoptimizer.com/api/img for programmatic image optimization. Free plan includes 500 requests per month. Sign in with…from imgoptimizer.com
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