指南與教學
實用、直白的指南，教你如何充分運用你的檔案——該選用哪種格式、如何符合檔案大小限制，以及如何保護你的隱私。我們提到的每個工具都 100% 在你的瀏覽器中執行。
HEIC to JPG: Why iPhone Photos Won't Open on Windows (and How to Fix It)
Your iPhone shoots HEIC, and Windows or older software can't open it. Here's what HEIC is, why it breaks, and how to convert it to JPG in seconds.
閱讀時間 5 分鐘
How to Compress a Video for WhatsApp, Discord, and Email
Real WhatsApp, Discord, and email size limits, why videos are so big, and how to shrink one in your browser by lowering bitrate — with honest quality tradeoffs.
閱讀時間 6 分鐘
What Is EXIF Data? What Your Photos Reveal (and How to Remove It)
EXIF data hides in your photos: camera model, timestamp, and often GPS coordinates. Learn what it reveals, how to check for GPS, and how to strip it safely.
閱讀時間 6 分鐘
How to Compress a PDF for Email Without Wrecking the Quality
Your PDF is too big to email? Learn why PDFs balloon, what the real size limits are, and how to shrink one to 1-2MB in your browser without losing much quality.
閱讀時間 6 分鐘
PNG vs JPG vs WebP: Which Image Format Should You Use?
PNG, JPG, and WebP compared: which to pick for photos, logos, and the web, why PNG-to-JPG kills transparency, and why re-saving a JPG degrades it.
閱讀時間 6 分鐘