HEIC to JPG — Modern iPhones store photos as HEIC (HEIF) files, which save space but are awkward to share — many websites, email services, and older software can’t open them. This converter re-encodes your HEIC photo as a standard JPG so it works anywhere.
Your photo is converted locally in your browser using WebAssembly and never uploaded anywhere.
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HEIC to JPGとは？
Modern iPhones store photos as HEIC (HEIF) files, which save space but are awkward to share — many websites, email services, and older software can’t open them. This converter re-encodes your HEIC photo as a standard JPG so it works anywhere.
Conversion runs locally in your browser using a WebAssembly build of the libheif decoder, so your photos never leave your device — ideal for personal or sensitive pictures.
使い方
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Choose a HEIC photo
Files with the .heic or .heif extension, straight from your phone.
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Set the quality
Lower quality means a smaller file; 85% is a good default.
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Download the JPG
The converted image is ready instantly, with the original previewed alongside.
使用例
iPhone photo to universal format
A 3 MB HEIC photo becomes a standard JPG that any site or app can open.
IMG_1234.HEIC (3.1 MB)
結果： IMG_1234.jpg (≈0.9 MB)
よくある質問
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Last reviewed: 2026-09-25