Cloud tools upload your file to a server. Browser-based tools process locally after the page loads.
When local wins
- Legal, medical, or financial documents
- Poor or metered internet
When cloud wins
- OCR at scale
- Heavy automation with APIs
ZapFile
ZapFile is built so your files stay on your device — privacy by design. Even OCR runs in the browser. The only exception is the optional fast mode of Word, Excel, PowerPoint and HTML to PDF, which converts on our server and deletes the file right after.
Summary
Match architecture to sensitivity.