PDF Blog
Tips, explainers and best practices for working with PDFs.
We Compressed 24 Real PDFs: the Median Saving Was 12%, Not 70%
Most PDF compression advice quotes numbers nobody measured. We ran 24 public documents — tax forms, research papers, scanned court filings — through the same engine and published every result, including the two files that got bigger.
Read more →Redact or Password-Protect? How to Share a PDF Safely
Hiding a few details or locking the whole file? Redaction removes sensitive text; a password controls who can open it. Learn which to use — and when to use both.
Read more →PDF to JPG or PNG: Which Image Format Should You Export?
Exporting a PDF page as an image? Choose JPG for photos and small size, PNG for crisp text and transparency. A quick comparison with simple rules for picking.
Read more →CSV or Excel: Which Should You Extract PDF Tables To?
Pulling a table out of a PDF? Choose CSV to import data into other tools, or Excel for a formatted, ready-to-use spreadsheet. A quick comparison with rules for picking.
Read more →How to Fill Out a PDF Form Online (Even Non-Fillable Ones)
Fill in any PDF form in your browser — interactive fields or flat, non-fillable documents. Type answers, check boxes and sign, then download the completed form.
Read more →What Is a PDF? The Portable Document Format Explained
A PDF is a file format that shows a document identically on any device. Learn what PDF stands for, how it works, its pros and cons, and when to use it.
Read more →PDF Too Big to Email? How to Shrink It Fast
Hit an attachment size limit? Learn why PDFs get large, how much you can safely compress, and the fastest ways to get a file under the 25 MB email cap.
Read more →PDF vs Word: Which Should You Use and When?
PDF or Word? Use Word to write and edit, and PDF to share and archive. A clear comparison of the two formats, with a table and simple rules for choosing.
Read more →What Is PDF/A? The Standard for Long-Term Archiving
PDF/A is an ISO standard for archiving documents so they open and look the same decades from now. Learn how it differs from a normal PDF and when to use it.
Read more →Are Electronic Signatures Legally Binding? What You Need to Know
Electronic signatures are legally valid in most of the world. Learn the difference between simple, advanced and qualified e-signatures, and when each is enough.
Read more →PDF to Word, Excel or PowerPoint: Which Should You Choose?
Converting a PDF? The right target format depends on what's inside. A quick guide to choosing between Word, Excel and PowerPoint for the cleanest result.
Read more →What Is OCR? Meaning, OCR Scanning, and What It Does in a PDF
OCR stands for Optical Character Recognition — it turns pictures of text into real, searchable text. What the term means in a PDF, what OCR scanning is, whether OCR is a file format, and how to tell if your document needs it.
Read more →How to Redact a PDF Securely (and Mistakes to Avoid)
Black boxes aren't enough. Learn how to remove sensitive information from a PDF so it truly can't be recovered — and the common mistakes that leak data.
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