ConvertStack converts HEIC photos to JPG directly in your browser — nothing is uploaded to a server. Your files stay private on your device throughout the entire process. Built for iPhone and iPad users who need to share or edit photos on Windows, Android, or the web. Drop in one photo or a whole batch, and get JPGs back in seconds. Free tier includes up to 10 files. Pro upgrade unlocks unlimited batch conversion and larger file sizes. Works on all devices and any modern browser.
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Maker
📌
Hey PH! 👋
Built ConvertStack because I kept running into the same problem —
iPhone photos in HEIC format that wouldn't open on Windows or Android.
Every tool I found either required an install, uploaded your files to
some server, or was buried in ads.
So I built a browser-only version. Nothing gets uploaded — conversion
happens entirely on your device using the Web APIs. Works on any OS,
no account needed, free for up to 10 files.
Pro tier unlocks unlimited batch conversion if you're dealing with
large photo dumps.
Would love to hear if this solves the problem for you, or if there's
something you'd want it to do differently. Happy to answer any
questions!