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
- The new GPT-5.6 family: Luna, Terra, Sol - 9th July 2026
- sqlite-utils 4.0, now with database schema migrations - 7th July 2026
- sqlite-utils 4.0rc2, mostly written by Claude Fable (for about $149.25) - 5th July 2026