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Image Converter hub
Convert images in your browser. Nothing uploaded, ever.
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.
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.
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.
On the analytics side, Image Converter hub competes within Design Tools, Privacy and Photography — topics that collectively have 417k followers on Product Hunt. The dashboard above tracks how Image Converter hub performed against the three products that launched closest to it on the same day.
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.
For a complete overview of Image Converter hub including community comment highlights and product details, visit the product overview.
Marc Wannenmacher