BrowserConvert
100% Private local file converter. No uploads, no signups.
BrowserConvert launched on February 1, 2026 with 15 votes, #835 of 16,628 launches that month and more than 95% of that year's launches.
What it does
Convert images, video, and audio entirely on your device. Powered by WebAssembly, your files never leave your browser. Don't spend time on upload/download.
Free online file converter for images, videos, audio, and data files. All conversions happen locally in your browser — no uploads, no servers, 100% private and secure.
Convert images, videos, and audio files instantly in your browser. Fast, private, and secure. Your files never leave your computer. We use cutting-edge WebAssembly to process your media directly in your browser, ensuring 100% data security and zero server uploads. Effortlessly convert high-resolution RAW, DNG, and WebP files. Our engine preserves critical metadata and color profiles while optimizing for web speed and visual clarity. Transform MP4, WebM, and MOV files in seconds. Compress large videos for social media or convert them into web-friendly formats without sacrificing your frame rate or resolution. Convert between MP3, WAV, and OGG with ease. Whether you're batch-converting tracks…from browserconvert.com
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A fast, privacy-first image converter that runs in browserOct 2025 · imageconverter.dev · ▲48Hey 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,…
FileConverter using FFMPEG as WASM to convert files2020 · fileconverter.digital · ▲23Unlimited free conversions. No size limit. As many times as you want. Can be used for photo and video conversions.
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Hello HN, I've used a lot of image converter websites to run for my daily jobs, but they required uploading my assets on their servers which I didn't like. I decided to build it myself and publish as a website for everyone to use at no cost (since the conversion happened on your browsers) I'd live to hear your thoughts about it. Cheers,
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