Tools

Curated workbenches, interactive calculators, browser extensions, and technical tutorials.

5 workbenches2 extensions1 tutorial

Spotlight

Flagship Workbenches

Interactive tools with real-time models and exportable workflows.

2 featured

Featured WorkbenchLive OpenRouter Sync

LLM Price Calculator

Real-time cost calculator comparing 200+ models across Anthropic, OpenAI, Google, DeepSeek, and xAI. Calculate per-call costs, budget ceilings, and multi-turn chains with prompt caching.

Live prices across 200+ models from OpenRouter API
Prompt caching simulator (75-90% discount calculation)
Multi-turn conversational context accumulator
Zero backend required - all settings saved in URL

LLMOpenRouterPricingPrompt Caching

Launch Workbench

Featured WorkbenchProduction Patterns

Prompt Field Notes

Context-specific prompting observations and failure modes that held up across production workloads. Copy directly as Markdown or structured XML.

Field-tested prompt patterns with clear rationale
Instant 1-click export to Markdown or structured XML
Documented edge cases and when NOT to apply each rule

LLMPromptingAgents

Launch Workbench

AI & Prompting

Interactive workbenches for model pricing, prompt engineering, and video analysis.

3 items

Live OpenRouter Sync

Tool

LLM Price Calculator

Real-time cost calculator comparing 200+ models across Anthropic, OpenAI, Google, DeepSeek, and xAI. Calculate per-call costs, budget ceilings, and multi-turn chains with prompt caching.

LLMOpenRouterPricingPrompt Caching

Open Tool

Production Patterns

Tool

Prompt Field Notes

Context-specific prompting observations and failure modes that held up across production workloads. Copy directly as Markdown or structured XML.

Video Breakdown

Paste a YouTube URL. AI watches the video and writes a scroll-synced text breakdown with clickable chapter timestamps.

YouTubeAIGemini

Open Tool

Text & Linguistics

Utilities for n-gram frequency distributions, phrase frames, and vocabulary extraction.

2 items

N-gram Viewer & Phrase Frames screenshot

Client-Side NLP

Tool

N-gram Viewer & Phrase Frames

Paste text to extract n-gram frequencies plus phrase frames - n-grams with one variable slot so variants collapse into one entry.

Channel Pantry

Analyze a YouTube cooking channel to discover which ingredients and flavor pairings they rely on most.

YouTubeAICooking

Open Tool

Browser Extensions

Lightweight Manifest V3 extensions for ChatGPT conversation export and Hacker News power features.

2 items

ChatGPT Conversation Exporter screenshot

Manifest V3

Extension

ChatGPT Conversation Exporter

Browser extension for exporting individual ChatGPT threads to clean Markdown or standalone HTML files.

Hacker News Enhancement Suite

Modern Manifest V3 fork of HNES with collapsible comment subtrees, inline keyboard navigation, and custom user tags.

ChromeHacker NewsExtension

View Extension

Interactive Tutorials

Deep-dive technical guides paired with custom interactive calculators built from zero.

1 item

Fluid Typography

Tutorial

CSS Clamp Calculator

Interactive CSS clamp() calculator paired with a build-from-zero tutorial explaining the linear interpolation math.

CSSResponsiveTutorial

Read Tutorial