MORROW · KNOWLEDGE & NOTES
Learn. Understand. Keep a note.
From materials engineering to digital tools. A quiet space for making sense of things.
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Find duplicate files safely: use checksums, then review why each copy exists
“report.pdf” and “report-copy.pdf” may be identical, but their names cannot prove it.
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Reduce PDF size without ruining small text and diagrams
A “smallest file” preset can turn a readable PDF into blurry footnotes and broken diagram lines.
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Better smartphone document scans: fix shadows, perspective and OCR checks
A document can look sharp on your phone yet arrive as a PDF with a blurred date or a missing page edge.
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Photo location privacy: check EXIF and the copy you actually publish
Covering a house number in a photograph does not necessarily remove the location stored inside its file.
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JPEG, PNG or WebP: choose an image format for photos and screenshots
A large image is not automatically a good image. Saving every blog photograph as PNG can produce unnecessarily heavy files, while converting a screenshot to JPEG can make small text unpleasant to read.
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