Technical notes

A practical field manual for browser PDF work.

Practical references for document structure, local processing limits, OCR behavior, and safe release workflows.

7 min

PDF Internals

Understand XREF tables, object streams, page trees, and why some PDFs fail in browser tools.

Open

8 min

WASM Security

Learn what the browser sandbox helps with, and what it does not claim to solve.

Open

6 min

OCR Mechanics

See how image quality, page rendering, and browser memory shape OCR results.

Open

9 min

Document Sanitization

Review metadata removal, redaction risks, flattened exports, and release checks.

Open

Recommended paths

  • Privacy model — Understand what stays local and what the browser can realistically enforce.
  • GDPR workflows — Review local-first handling for privacy-sensitive document teams.
  • HIPAA guide — See when upload-based tools need extra compliance controls.