Huzaifa Umer writes practical guides on documents, file formats, and everyday web tools at The Tools Kit. He focuses on plain answers that save readers time.
These two tasks sound alike and get mixed up constantly. One makes a PDF editable, the other places a PDF inside a document you are writing. Here is which is which.
Base64 is a way to write any data using only safe text characters. It is everywhere in web development, and the most important fact about it is what it is not.
If you cannot highlight the text in your PDF, it is a scan, and normal converters cannot read it. OCR is the missing step. Here is how it works and when you need it.
A hash is a digital fingerprint for data. MD5 and SHA-256 both make fingerprints, but only one is safe for security. Here is the difference in plain language.
It is almost never the text. Images, especially scans, drive nearly all PDF file size. Understanding why gives you the power to keep files small from the start.
P@ssw0rd! is weak. correct-horse-battery-staple is strong. The reason is length, and it changes how you should think about every password you create.
Whether your text survives a PDF to Word conversion depends on one thing: how the PDF was made. Here is the quick test to check yours, and the right way to convert it.
Merging PDFs joins your original pages into one document, exactly as they are. Here is how to do it free in your browser, and why quality loss is not a concern.
Nearly every JSON parse failure comes down to one of five mistakes. Learn to spot each one on sight, with a before and after example for every error.