Local Studio
Open a PDF without uploading it
The worker receives a transferable local buffer. Revisions are stored in OPFS where supported, and the browser network guard remains active.
Drop a PDF here
or choose a file from this device
Files are not uploaded
Worker isolated
Mutation runs away from the interface thread.
Self-hosted OCR
English OCR data loads only when OCR is first used.
No document endpoint
There is nowhere for PDF bytes to be uploaded.
Checking local revisions…