MarkDone

MarkDone Blog

Guides on converting documents privately in your browser, and on getting your data into shape for AI workflows.

Privacy

Are online file converters safe?

What actually happens when you upload a file, the real risks, how to spot a safe converter, and the setup that removes the risk entirely.

Explainer

What is LaTeX?

A practical guide to LaTeX, math notation, technical documents, and how it fits into modern Markdown workflows.

Guide

How to convert Markdown to PDF without uploading your files

Why most converters upload your document to a server, and how to render the PDF entirely in your browser instead.

Explainer

What is TOON?

A compact, readable format for structured data that uses fewer tokens than JSON when you feed it to a language model.

Guide

How to convert JSON to TOON (and why it saves tokens)

Where JSON wastes tokens, how TOON trims them, and how to convert between the two in your browser.