My Tools

A collection of single-file browser-based tools.

The colophon lists commit messages and transcripts for every tool.

Text Tools

• Word Counter - Count words, characters, and lines

Network Tools

• Subnet Calculator - Calculate subnet info using CIDR ranges

Azure Tools

• ARM/Bicep Resource Reference - Quick lookup for Azure resource types and API versions

Encryption Tools

• Base64 Encoder/Decoder - Tool for encoding or decoding base64
• Sha256 Hash Tool - Tool for hashing text or files using sha256

Analytics

• Blog Analytics - Privacy-friendly analytics dashboard for blog.ianp.io

RSS

• RSS Reader - Latest posts from HN's top 92 blogs of 2025

Utilities

• Calendar - Simple month view calendar

Built with HTML, CSS, and JavaScript. No build step required.