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…