cm to pixels: why your passport-photo tool outputs the wrong size
Every few months a form asks someone for a "3.5 x 4.5 cm photo" and the upload box wants pixels. I kept hitting this while building a photo resizer, and I kept seeing other tools get the number wrong.
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I'm a science graduate with a Master's in Zoology from Sant Baba Bhag Singh University, currently exploring the intersection of technology, business analytics, and data-driven innovation. As the Founder & CEO of Pixellize.io, I build AI-powered web tools, digital products, and productivity solutions focused on user experience, automation, and modern web technologies. Passionate about solving real-world problems through research, analytical thinking, and technology, with growing interests in healthcare, life sciences, AI, and business analytics.
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