Photo OptiVert

Offline batch image optimizer and converter

Visit yasinjagral.gumroad.com ↗Alternativestop 15% of June 2026

What it does

Photo OptiVert is a portable offline tool for compressing, converting, and optimizing images in bulk. It supports popular formats like JPEG, PNG, WebP, AVIF, TIFF, GIF, and SVG, making it useful for developers, designers, ecommerce teams, bloggers, and creators who need lighter images without uploading files online.

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Hey HN I built ImageConverter.dev because I got tired of “free” image converter sites that force uploads, or throttle conversions. So I made a tool that runs 100% client-side — meaning your images never leave your device. It’s built for speed, simplicity, and privacy. What it does Convert images between JPG, PNG, WebP Works offline once loaded (PWA support) How it works It uses the Canvas API and WebAssembly to handle conversions directly in the browser. There’s no upload, no tracking, no server costs, and it’s fast even on mid-range devices. Why I built it I wanted an instant, no-ads,…
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