My Tools

A collection of single-file browser-based tools.

The colophon lists commit messages and transcripts for every tool.

Recently Added

Reverse-Engineer Repo into Engineering Guide — Reusable Prompt (2026-05-21)
Reverse-Engineer Repo into Capability Spec — Reusable Prompt (2026-05-15)
Countdown (2026-05-04)
RSS Reader - HN Top Blogs 2025 (2026-02-02)
Calendar (2026-01-04)

Recently Updated

Blog Analytics (2026-01-04)
Authenticating... (2026-01-03)
ARM/Bicep Resource Reference (2025-12-12)
Hash Generator (2025-12-12)
Base64 Encoder/Decoder (2025-12-12)

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
Countdown - Countdown to Provision on May 15, 2026 at 5:00 PM Eastern

Prompts

Reusable prompts for LLMs — copy/paste into a model.

Reverse-Engineer Repo into Capability Spec - Turn any GitHub repo into a structured capability spec

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