Simon Willison’s Weblog

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SWFUpload. Fantastic Flash widget for handling multiple file uploads with progress indicators; degrades gracefully to a regular HTML upload field.

Posted 16th May 2007 at 4:12 pm

Recent articles

First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026

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