PDFtoWorld Blog

Guides and tips to work faster with PDF and digital documents.

• Productivity

  PNG vs JPG: what's the difference, and how to convert PNG to JPG

  Understand the difference between PNG and JPG, know which to use for a photo, a logo or a screenshot, and convert PNG images to JPG for free.

  Oct 28, 2026 · 3 min read

• Document Management

  How to password-protect a PDF (and choose the right restrictions)

  Encrypt a PDF with a password, allow or block printing and copying, pick a strong password and share it safely with the recipient.

  Oct 28, 2026 · 3 min read

• Legal Documents

  How to redact a PDF: permanently remove information (the right way)

  Why a black box is not enough, how to truly redact a PDF before sharing it, and which personal data to remove to protect privacy.

  Oct 28, 2026 · 3 min read

• How To

  How to rotate a PDF and save the rotation permanently

  Fix a page scanned upside down or sideways, rotate a single page or the whole document, and save the rotation so every reader sees it.

  Oct 28, 2026 · 3 min read

• How To

  How to split a PDF: extract pages or separate every page

  Split a PDF into several files, extract a page range (1-3, 5, 8-10) or one page per file, for free and without uploading your documents.

  Oct 28, 2026 · 3 min read

• Document Management

  How to remove a password from a PDF (when you know it)

  Remove the open password or the printing and copying restrictions from a PDF you own, simply and online.

  Oct 28, 2026 · 3 min read

• PDF Guides

  How to convert a Word document to PDF (DOC, DOCX): method and best practices

  Why you should send a PDF instead of a Word file, how to convert DOC or DOCX to PDF online, and how to avoid font and layout problems.

  Oct 28, 2026 · 3 min read

• Legal Documents

  Is an electronic signature legally binding? (EU eIDAS, UK and US)

  Simple, advanced or qualified: what eIDAS, UK law and the US ESIGN Act say, which signature to use for which document, and how to sign a PDF online.

  Oct 15, 2026 · 5 min read

• PDF Guides

  How to reduce a PDF's size (for email, without making it unreadable)

  Why a PDF is heavy, which compression level to pick and how to get under Gmail or Outlook attachment limits, without installing software.

  Oct 8, 2026 · 4 min read

• How To

  How to edit a PDF without Acrobat: the complete 2026 guide

  Change the text of a PDF, add an image or a signature, fix a typo, delete a page: every method, online and without installing software.

  Oct 1, 2026 · 5 min read