ShutterCounter.com 是個人自製的網站, 功能只有一個,
上傳 DSLR 的照片, 顯示快門數及 EXIF 資訊
使用 Firefox, Chrome 支援拖曳上傳照片
支援 RAW 檔, Nikon's NEF, Pentax's DNG and PEF, Canon's CR2
並非所有的 DSLR 照片都有快門數(Shutter Count)資訊,
若無此資訊會顯示 No shutter count info found...
按確定可以顯示 EXIF 資訊
ShutterCounter.com 不會儲存您的照片, 取得 EXIF 後便立即刪除.
ShutterCounter.com was created by me,
The only feature is upload DLSR photo and show shutter count and EXIF info,
Drag-and-drop is supported in Firefox, Chrome.
Nikon's NEF, Pentax's DNG and PEF, Canon's CR2 raw file format are supported.
Not all DSLR photos have shutter count info, If no such tag,
will show "No shutter count info found..."
click OK to show EXIF info.
ShutterCounter.com will never save your photos, just extract EXIF info and then delete immediately.
ShutterCounter.com
Drag a photo to upload
Uploading
Show shutter counter
Show EXIF info
我在mozilla hack上面也有看到相關的demo,做法似乎跟你差不多,給你參考一下 http://demos.hacks.mozilla.org/openweb/FileAPI/