Tools

Practice Dutch separable verbs with this interactive tool

Visualize and analyze web performance waterfall data interactively

A wall of Instagram stories from accounts you follow

Extract vocabulary from YouTube videos using subtitles

Use OpenAI's completions API with GPT-3.5-turbo-instruct and davinci-002

Inspect newline-delimited JSON socket frames and reconstruct assistant output items and text

Parse raw server-sent event transcripts into content blocks, thinking, and final assistant text

Display all Next.js Vercel environment variables and their current values

Interactive playground for testing React hydration mismatch behaviors across different versions

Connect two AI models in conversation to explore emergent behaviors, inspired by Claude 4 model card research