/01
Input change
Choose one or more files through a standard HTML file input.
Interactive preview · real browser actions
See UploadFlow
in action.
Try the different ways files reach a webpage and see how UploadFlow gives you a private review step before upload.
Demo progress0/8
CompletedBefore you start
Open the installed UploadFlow extension, keep upload interception enabled, then try each upload method below.
Everyday uploads
Choose, drop, or paste
/02
Drag & drop
Drop files from the desktop into a native DataTransfer target.
Drop files here
/03
Paste
Focus the target and paste copied image or file data.
Click here, then press Ctrl+V or Cmd+V.
Browser tools
Picker and clipboard
/04–05
File System Access
Invoke the picker and read the returned handle as two distinct interception paths.
handle: none selected
/06
Clipboard read
Request file-like data from the async Clipboard API.
Site upload requests
Send to the webpage
/07–08
Webpage upload
Choose once, then send the same file through two common webpage upload methods.
Live output
Event console
uploadflow events
Waiting for your first action…