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HEIC to PNG decodes your iPhone photo and saves it losslessly — every pixel exactly as decoded, in a format anything can open. Choose PNG over JPG when the photo is headed into editing, documents or archives where you'd rather not add another round of lossy compression. Decoding runs entirely in your browser via libheif compiled to WebAssembly.
Frequently asked questions
PNG or JPG for my iPhone photos?
JPG for sharing — far smaller, visually identical for photos. PNG when the image will be edited or embedded somewhere quality-critical, and you want zero additional loss after decoding.
Are my photos uploaded to convert them?
No — decoding happens on your device. You can switch off Wi-Fi after the page loads and conversion still works, which is worth caring about given the FBI's warnings about fake converter sites scraping uploads.