Blog
Guides and tips for working with PDFs — for students, professionals and the merely curious.
April 22, 2025 · 8 min read
The 12 Best Free PDF Tools Online in 2025
A practical, no-fluff roundup of the most useful free PDF tools online — what each is for, and when to reach for them.
Read article →May 2, 2025 · 6 min read
How to Compress a PDF Without Losing Quality
A step-by-step guide to shrinking PDF file size for email, the web or storage — without making your document look terrible.
Read article →May 8, 2025 · 7 min read
How to Convert a PDF to Word (and Keep Your Formatting)
A complete guide to converting PDFs into editable Word documents online — including the gotchas around fonts, tables and scanned files.
Read article →May 12, 2025 · 6 min read
How to Merge PDF Files Online — A Complete Guide
Step-by-step instructions to combine multiple PDFs into a single file online, plus tips for ordering, bookmarks and file size.
Read article →May 15, 2025 · 5 min read
How to Split a PDF Into Multiple Files
Three ways to split a PDF online — by range, every page, or to extract a single chapter — plus tips for naming and organizing the output.
Read article →May 18, 2025 · 5 min read
Convert JPG to PDF: The Easiest Methods (Free, Online)
Turn one or more JPG images into a single PDF online — plus tips for resolution, ordering and combining with other tools.
Read article →May 21, 2025 · 4 min read
How to Rotate PDF Pages and Save Permanently
Sideways pages in a PDF? Rotate them online and save the fix permanently — with tips for scanned documents.
Read article →May 23, 2025 · 4 min read
How to Delete Pages From a PDF — Quickly and Safely
Remove unwanted pages from any PDF online for free, including blank pages, drafts and confidential content.
Read article →May 26, 2025 · 6 min read
How to Add a Watermark to a PDF (Text or Image)
Brand, mark as DRAFT or claim ownership of a PDF with a watermark — text or image, position, opacity and rotation explained.
Read article →May 29, 2025 · 7 min read
How to Password Protect a PDF (and What It Actually Protects)
A non-technical guide to PDF passwords, AES encryption and what password protection does — and doesn't — guarantee.
Read article →June 1, 2025 · 4 min read
How to Unlock a PDF — Remove a Known Password
Remove a password from a PDF you own using PDFly's online tool. Includes a primer on owner vs user passwords.
Read article →June 4, 2025 · 8 min read
How to E-Sign a PDF Online (and Why It's Legal)
Add a legally valid electronic signature to any PDF online — three signing methods explained, plus a primer on e-signature law.
Read article →June 7, 2025 · 7 min read
OCR Explained: Make Scanned PDFs Searchable
What optical character recognition does, why scanned PDFs need it, and how to OCR a PDF online for free.
Read article →June 10, 2025 · 6 min read
PDF vs DOCX: When to Use Which Format
PDF or Word? A practical guide to picking the right format for sharing, editing, archiving and signing.
Read article →June 13, 2025 · 5 min read
How to Reduce PDF Size for Email Attachments
Email attachment too big? Three reliable techniques to shrink your PDF below the size limit without losing quality.
Read article →June 16, 2025 · 7 min read
How to Redact a PDF — Hide Sensitive Information for Good
True redaction permanently removes sensitive content from PDFs. Here's the difference between covering and removing — and how to do it right.
Read article →June 19, 2025 · 4 min read
How to Extract Specific Pages From a PDF
Pull a single page or a custom range out of a PDF and save it as a new file — no software install required.
Read article →June 22, 2025 · 5 min read
How to Convert PDF Pages to JPG Images
Export every page of a PDF as a JPG image with one click. Resolution, format and use-case tips included.
Read article →June 25, 2025 · 5 min read
How to Compare Two PDF Files (Side by Side)
Spot exactly what changed between two PDF versions with an online diff tool — text and visual changes highlighted.
Read article →June 28, 2025 · 6 min read
How to Save a Web Page as PDF (HTML to PDF)
Three reliable ways to convert a web page or HTML file into a clean, shareable PDF — including print-to-PDF and online tools.
Read article →July 2, 2025 · 8 min read
PDF Accessibility: A Practical Beginner's Guide
Make your PDFs usable by everyone — including readers using screen readers — with this hands-on intro to accessible PDFs.
Read article →July 5, 2025 · 6 min read
How to Convert Excel to PDF (and Make It Look Good)
Print-ready Excel-to-PDF tips: page breaks, scaling, headers, and how to share spreadsheets that look clean on every device.
Read article →July 8, 2025 · 5 min read
PowerPoint to PDF: How to Share Decks That Look Right Everywhere
Convert PPT or PPTX presentations to PDF online, plus tips for fonts, animations and notes pages.
Read article →