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Image Converter hub
Convert images in your browser. Nothing uploaded, ever.
Hey everyone 👋
I built Image Converter Hub because I kept hitting the same wall: iPhone photos in HEIC that half the web won't open, and every "free online converter" I found solved that by asking me to upload the file to their server first. Fine for a holiday snap. Not fine for a scan of a passport, a bank statement, or an X-ray — which is exactly the kind of file people paste into the first converter Google hands them because the deadline is now and installing software isn't an option.
So the rule I set for myself was simple: the image never leaves the device. Everything — HEIC/JPG/PNG/WebP/AVIF conversion, compression, metadata stripping, resizing, upscaling — runs in the browser, on your machine, using WASM decoders instead of a server. No account, no upload, no watermark.
That constraint changed the build more than I expected. It's why there's a dedicated /no-upload page that tells you to turn off your wi-fi and try converting anyway — a converter that uploads can't survive that test, so I wanted the site to invite people to run it rather than just claim it. It's also why the service worker precaches the whole app shell: "works offline" had to be true, not aspirational copy.
Happy to answer anything — architecture, format support, what's next (I'm looking at a few more tools for the privacy-tools section). And if you convert something and it breaks, tell me — that's the fastest way this gets better.
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About Image Converter hub on Product Hunt
“Convert images in your browser. Nothing uploaded, ever.”
Image Converter hub was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #144 on the daily leaderboard. Convert HEIC, JPG, PNG, WebP and AVIF free in your browser. Files never leave your device. Batch up to 200 images, no upload, no sign-up.
Image Converter hub was featured in Design Tools (262.4k followers), Privacy (11.3k followers) and Photography (143.3k followers) on Product Hunt. Together, these topics include over 65.3k products, making this a competitive space to launch in.
Who hunted Image Converter hub?
Image Converter hub was hunted by Marc Wannenmacher. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Marc Wannenmacher