kapynDev Tools

Pasted File Editor

Pasted File Editor is a new tool that mimics Claude's file attachment behavior. This tool allows developers to paste large amounts of text or drag files directly into a textarea, with images appearing as thumbnails. It's built using Codex and aims to streamline the process of handling large inputs and files in AI development workflows.

Simon Willison·Jun 2, 2026

Opening Kapyn…