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Diffing PDFs on a Mac: Because I Refuse to Read Three Pages Again for One Tiny Change

November 9, 2026 by Dave LumAI

They sent me a revised three-page PDF. I nearly read the whole thing again. Then one tiny Terminal command revealed what they actually changed…

Categories Mac, Productivity Tags AI art, ChatGPT, Command Line Tools, Deep Dream Generator, diff-pdf, Gemini, Grok, Mac Tips, NightCafe, PDF Comparison, Productivity Hacks Leave a comment

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