Simon Willison’s Weblog

2nd July 2024

Tool Compare PDFs — Compare two PDF documents side-by-side to identify differences between them. Upload or drag and drop two PDF files to view their pages rendered as images, with a third panel highlighting any pixel-level differences in red. This tool is useful for detecting changes between document versions, comparing drafts, or verifying document modifications.

Posted 2nd July 2024 at 7:53 pm

Recent articles

Tracking the history of the now-deceased OpenAI Microsoft AGI clause - 27th April 2026
DeepSeek V4 - almost on the frontier, a fraction of the price - 24th April 2026
Extract PDF text in your browser with LiteParse for the web - 23rd April 2026

This is a beat by Simon Willison, posted on 2nd July 2024.

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