18th April 2025
Tool
Mask Visualizer
— Visualize bounding boxes and PNG masks from JSON data with support for multiple coordinate system origins. This tool accepts JSON input containing box coordinates and base64-encoded mask images, then displays them overlaid on an interactive canvas with real-time coordinate transformation. The visualization includes detailed information about each item's original and transformed coordinates based on the selected origin point.
Recent articles
- Claude Opus 4.8: "a modest but tangible improvement" - 28th May 2026
- I think Anthropic and OpenAI have found product-market fit - 27th May 2026
- Notes on Pope Leo XIV's encyclical on AI - 25th May 2026