Alternatives
Products that do what Mainconverter does
Convert units and images to different formats quickly
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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,…
Oct 2025 · imageconverter.dev
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Fast and easy to use currency and units converter
2017
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A simple and fast unit converter for length, weight and more
2025 · unit-converter-psi-jet.vercel.app
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Your images never leave your browser — convert & compress
May 2026 · imageconvert.pro
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