Tools

Tools, technical or otherwise, rebuilt for privacy. Nothing leaves your device.

Personal

1 tool

Advanced Loan Calculator

Feature-rich day-accurate amortization with tranche disbursals, variable rates, prepayments, and scenario comparison.

financeloancalculator

Technical

4 tools

Structured Compare

Structured diff of JSON, XML, Python, and Markdown side-by-side.

comparejsonxmlpythonmarkdown

Markdown Previewer

Live GFM-flavored markdown preview with syntax highlighting and file upload support.

markdownpreview

Payload Formatter

Format, minify, escape, and unescape JSON or XML.

formattingjsonxml

Message Encryptor

Securely encrypt and decrypt text using AES-GCM, entirely offline.

messagesecurityencyption