Practical PDF guides.
A little more clarity.
Choose an editor, learn a useful technique, and finish your next PDF with confidence.
Editing
The Best Free PDF Editor for Your Task: 5 Options
Choose a free PDF editor by task, device, download limits and privacy. Compare Folio, Sejda, PDF24, PDFgear and Adobe, or find a focused merge or split tool.
How to Edit a PDF Online: Text, Annotations & Saving
Add text, highlights, and a signature without losing sight of the original. A practical guide to working in the Folio editor.
How to Add Text to a PDF Online for Free
Type a name, date, answer or note onto a PDF. Position and style your text, save a draft, and download your PDF for free without a Folio watermark.
How to Edit a PDF on iPhone or Android
Add text, annotate and sign a PDF in your phone browser. Learn the mobile controls, guest saving, free downloads and when a desktop works better.
Why Can’t I Edit Text in My PDF? Scans, Fonts & Text Blocks
Find out why PDF text cannot be selected or edited. Check scans, outlined letters, passwords and embedded fonts, then choose a workable next step.
Organization
Extract Nonconsecutive PDF Pages in Any Order
Extract separate PDF pages or reorder a selection using page ranges. Try a six-page sample, compare the expected result, and choose one PDF or a ZIP.
Merge PDFs with Different Page Sizes and Orientations
Combine A4, Letter, portrait and landscape PDFs while preserving their page sizes. Try two sample files and learn why merged pages can look different.
How to Merge and Split PDF Files Without Losing Pages
Learn when to merge documents, how to arrange their order, and how to extract just the pages you need.
Why Your PDF Won’t Get Smaller (or Gets Bigger)
PDF bigger after compression? Learn why optimization can increase file size, when to keep the original, and how to handle an upload limit.
Conversion
How to Convert PDF Pages to JPG or PNG at the Right Resolution
Choose JPG or PNG, select PDF pages, and set export resolution. Learn how to keep small text clear without making image files unnecessarily large.
How to Combine JPG, PNG and WEBP Images into One PDF
Turn receipts, photos, or screenshots into an ordered PDF. Choose image-sized or A4 pages, check orientation, and preview every page before export.
Forms & signing
How to Create a Signature PNG With a Transparent Background
Draw or type a signature, remove white paper from a photo, and download a transparent PNG. Learn how to use it in documents and fix common image problems.
Fillable vs. Flattened PDFs: Which Should You Share?
Understand editable PDF form fields, flattened exports, and visual signatures before sharing your completed document.
How to Sign a PDF: Draw, Type or Upload Your Signature
Add a signature to a PDF using a mouse, touch screen, typed name, or image. Position it clearly and check the finished document before sharing.
Document privacy
Does Folio Upload Your PDF? Local Tools vs. Cloud Saving
See which Folio PDF tools process files locally, which save to private cloud storage, and which send documents for server processing before choosing a workflow.
How to Password Protect a PDF Before Sharing It
Create a PDF that requires an opening password. Check encryption limits, retain an original, and avoid confusing password protection with redaction.