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Practical guides and notes on working with PDF files.
A complete guide to merging PDF documents: when and why, how to keep quality, how to control order, and what to do with protected PDFs.
OCR turns images of text into real text — great for scanned books, contracts and document photos. When it works perfectly, when it struggles, and how to use it in Freekonvert.
PDF too big for email? Real provider limits, which compression preset to pick, what to do with scans, and how to keep text crisp. Concrete steps.
What separates a good PDF to Word conversion from a bad one, how to keep formatting, what to do with scanned documents and OCR, and when you actually need Word instead of PDF.
What an electronic signature is, whether it is legally valid, how to sign a PDF with mouse or finger in seconds, and when you need a "real" digital certificate.
An iPhone photo in HEIC format does not open on Windows or in Word. Here is why Apple uses HEIC, what it means for you, and how to fix it in 30 seconds.
Guide to converting .xlsx and .ods spreadsheets to PDF: how to fit everything on the page, what to do with multiple sheets, how to keep colours and charts crisp.
A watermark protects documents, signals status (DRAFT, CONFIDENTIAL), brands a proposal. A guide through watermark types, optional techniques, and what works and what does not.
A scanned book, contract, invoice or ID — all of it can be turned into a searchable PDF via OCR. Guide for working with Serbian and English text.