100% local
IMAGE

Convert HEIC
to JPG

Modern compression standards.

JPG typically achieves better compression efficiency than HEIC at equivalent perceived quality. The result is a smaller file that still looks or sounds the same to most listeners and viewers.

— Drop area

為什麼要轉換

Why convert HEIC to JPG

01

Modern compression standards

JPG typically achieves better compression efficiency than HEIC at equivalent perceived quality. The result is a smaller file that still looks or sounds the same to most listeners and viewers.

02

Broader cross-platform support

JPG is accepted by a wider range of image viewers, editors, and content systems than HEIC. The conversion removes a recurring compatibility friction without changing what the file actually contains.

03

Lower storage and bandwidth cost

JPG files are typically smaller than their HEIC counterparts, which reduces hosting, transfer, and storage costs at scale. The savings compound when serving the same content to many recipients.

— 如何轉換

三步將 HEIC 轉為 JPG.

  1. 01

    開啟 LocalConvert

    在任何現代瀏覽器中造訪本頁 —— 無需安裝、無需註冊、無需外掛。

  2. 02

    拖入或選擇你的 HEIC 檔案

    將 HEIC 檔案拖入放置區,或點擊從你的裝置中選取。

  3. 03

    點擊轉換

    轉換完全在你的瀏覽器中進行。完成後,JPG 檔案會自動下載至你的裝置。

品質與保真度

品質與保真度

  • 10-bit HEIC quantised down to 8-bit JPG: subtle gradient banding possible.
  • Transparency (rare in HEIC) is flattened.
  • EXIF (camera, GPS, orientation) is carried into the JPG.
透明度 HEIC ✓ JPG ✗
色彩深度 10-bit RGB(A) 8-bit RGB
保留中繼資料

格式規格

格式規格

HEICJPG
副檔名.heic .heif.jpg .jpeg .jpe .jfif
MIME 類型image/heic image/heifimage/jpeg
推出時間20151992
維護者MPEG / ISO/IECJPEG Group / ISO
魔數FF D8 FF
規格檢視規格 ↗檢視規格 ↗

相容性

這些格式可用的地方

HEIC

Windows
外掛
macOS
原生
iOS
原生
Android
應用程式
Chrome
Firefox
Safari
原生
Edge
外掛

JPG

Windows
原生
macOS
原生
iOS
原生
Android
原生
Chrome
原生
Firefox
原生
Safari
原生
Edge
原生

為什麼選 LocalConvert

LocalConvert 的比較

CategoryLocalConvert雲端轉換器
隱私Files never leave your device. The whole pipeline runs in your browser via WebAssembly.Files travel to a remote server, sit in queue storage, and may be retained for analytics or moderation.
費用Free, no signup, no daily quotas.Often free for small files; paid tiers for batch / large / commercial use.
限制Limited only by your device's memory and CPU. Multi-GB files OK on desktop.Typical 100 MB to 1 GB per-file caps, plus rate limits.
— The formats
From · HEIC

High Efficiency Image Container

Apple's default photo format on iPhones since iOS 11. Smaller files than JPEG with comparable quality, but limited cross-platform support.

Typical uses
iPhone photos, iCloud Photo Library.

To · JPG

JPEG (Joint Photographic Experts Group)

A lossy format optimized for photographs. Excellent compression ratios for natural images at the cost of fine detail.

Typical uses
Photos from cameras, social media uploads, web imagery.

— FAQ

常見問題.

HEIC 轉 JPG 是免費的嗎?

是的。LocalConvert 完全免費,無需註冊,也沒有每檔案或每日的限制。

我的檔案會被上傳到任何地方嗎?

不會。HEIC 到 JPG 的轉換完全在你的瀏覽器內透過 WebAssembly 完成 —— 你的檔案永遠不會離開你的裝置。

檔案大小上限是多少?

沒有固定上限 —— 實際限制取決於你裝置的可用記憶體。在低記憶體裝置上,非常大的檔案可能耗時較久或失敗。

可以離線使用嗎?

可以 —— 頁面載入後,HEIC 到 JPG 的轉換無需網路連線即可運作。重新開啟頁面一次即可快取。

轉換會保留品質嗎?

LocalConvert 使用業界標準工具(FFmpeg、ImageMagick、Pandoc)—— 品質與專業人員在命令列中使用的相當。有損格式每次重新編碼仍會損失一些品質。

— Related

或轉換這些.

瀏覽所有轉換
參考資料

格式參考資料

Last verified:

100% 本機轉換.

HEIC to JPG is processed in your browser with WebAssembly. No upload, no tracking, no limits. Your file never leaves your device.