Why Hindi text and leading zeros break when you save a CSV (and the fixes)
CSV carries no encoding declaration and no column types, so Excel guesses both. Here is why Devanagari arrives as हि, why a 6-digit PIN…
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Photo and signature size rules for Indian exam forms (and how to hit them exactly)
SSC, IBPS, RRB, UPSC and state PSC portals each want a photo and signature at fixed pixels and a fixed KB band. Here are the actual numbers…
How image compression actually works, and where quality really goes
JPEG throws detail away on purpose, PNG throws nothing away, and WEBP does both. Here is what the quality slider changes, why re-saving a J…
Why your PDF is 18 MB, and how to get it under the portal's limit
An 18 MB PDF is almost always a scan stored as full-colour images. Here is what actually takes up the space, what compression can and canno…
Getting text and tables out of a PDF: what works, what needs OCR
A digital PDF gives up its text exactly; a scan gives up nothing. Learn to tell them apart in five seconds, extract tables to Excel, run th…