Learning Centre

HIPAA, PHI, and why local processing should be the default for healthcare documents.

A practical workflow to prove whether a PDF tool sends document bytes to a server.

What XMP and Info Dictionary metadata can leak and how to remove hidden fields.

How to evaluate terms, data flow, and safer alternatives for sensitive PDF workflows.

Why black boxes fail and what irreversible redaction requires in real documents.

How to balance PDF size reduction against visual readability and print needs.

Visual vs cryptographic signatures and local signing workflows for private documents.

Controller/processor exposure and why client-side workflows reduce compliance burden.

A plain-language guide to WASM-powered local processing and offline capability.

How to generate searchable PDFs locally and avoid exposing sensitive scans.

Why uploading sensitive documents is a security risk. The hidden dangers of cloud-based PDF tools.

Comparing WebAssembly local processing with traditional cloud-based approaches to document security.

A neutral comparison of server-based and client-side approaches to document processing.

How your data stays in-browser. Understand the technology that enables near-native performance.

Using WebGPU for local AI. How Plain leverages your device's GPU for document analysis.

Techniques for processing 500MB+ documents efficiently without overwhelming system memory.

How WebGPU and WebLLM enable AI-powered features without sending data to external servers.

Ensuring permanent data removal. A comprehensive guide to securely redacting sensitive information.

Using Plain in high-security environments. Best practices for air-gapped systems and secure facilities.

How to confirm that your files never leave your device using browser DevTools.

Understanding AES-256 local encryption and how to protect sensitive documents on-device.