Locdone Blog

PDF privacy, compliance & how-to guides.

Practical articles on handling sensitive documents, HIPAA compliance, legal PDF workflows, and why where your files go matters.

redactionaiprivacy5 min read

How to Redact a PDF Before Uploading to ChatGPT or Any AI Tool

Millions of people share medical records, financial statements, and legal documents with AI tools. Here is how to remove sensitive information first — locally, free, and verifiably private.

ocimergejpg-to-pdf4 min read

How to Prepare PDF Documents for Your OCI Card Application

A step-by-step guide to merging, converting, and organising the PDF documents required for an OCI card application — without uploading your passport scans to a third-party server.

mergeprivacy4 min read

How to Merge PDFs Without Uploading to a Server

Most free PDF merge tools upload your files to their servers. Here is why that matters and how to combine PDFs entirely in your browser with no data leaving your device.

hipaacompliancehealthcare5 min read

HIPAA-Compliant PDF Tools That Are Actually Free

Most free online PDF tools are incompatible with HIPAA because they upload files to third-party servers. Here is what healthcare workers need and how browser-only tools solve it.

metadataprivacy4 min read

How to Remove Hidden Metadata from a PDF Before Sharing

Every PDF you create contains hidden metadata — your name, your organisation, the software you used, and timestamps. Here is how to find it and strip it before sharing.

bateslegal4 min read

How to Add Bates Numbers to a PDF for Free

Bates numbering is required for legal discovery and court filings. Here is what Bates numbers are, when you need them, and how to add them free without uploading your documents.

That file never left your computer.
Not this time, not ever.

— Locdone