PDF guides

Practical, step-by-step answers for PDF tasks on every device, written by the PDF Toucan editorial team and kept up to date.

• Ilovepdf vs Smallpdf: Free Limits, Privacy, and PDF Toucan

  Compare iLovePDF and Smallpdf free limits, privacy, watermarks, and languages, then see where PDF Toucan offers a different approach.

  Sep 20, 2026 · 8 min read

• What Is PDF/A: ISO 19005 Levels, Conversion, and Validation

  Learn what PDF/A is, how PDF/A-1b, 2b, and 3b differ, why courts and archives use it, and how to convert and validate files.

  Sep 19, 2026 · 8 min read

• How to Rotate a PDF and Save It: Permanent Page Fixes

  Learn why PDF viewers only rotate the view, how to save page rotation permanently, and how to fix one page or an entire PDF on desktop or phone.

  Sep 19, 2026 · 7 min read

• How to Remove Password from PDF: Open vs. Permissions Passwords

  Learn the legal, safe way to remove a known PDF password, tell opening and permissions passwords apart, and protect the file again.

  Sep 19, 2026 · 7 min read

• How to Reduce PDF File Size for Email: Gmail and Outlook Limits

  Reduce a PDF for Gmail’s 25 MB and Outlook’s 20 MB attachment limits. Compare compression, splitting, and share links without sacrificing quality.

  Sep 19, 2026 · 8 min read

• PDF Won't Open: Causes, Fixes, and Recovery Options

  Learn why a PDF will not open, from incomplete downloads and wrong extensions to encryption and corruption, plus the safest fixes to try first.

  Sep 19, 2026 · 8 min read

• PDF Too Large to Upload: Reduce Size Without Losing Readability

  Learn how to check a PDF’s size, meet common upload caps, compress or split files, and handle scans while keeping text legible.

  Sep 19, 2026 · 8 min read

• Convert PDF to Word without Losing Formatting: Practical Guide

  Learn why PDFs shift in Word, how to handle scans and tables, and when a free conversion needs cleanup before you edit.

  Sep 19, 2026 · 8 min read

• How to Merge PDF on Mac: Preview, Finder, and Online Options

  Merge PDFs on a Mac with Preview’s sidebar, Finder Quick Actions, or a browser tool. Learn ordering fixes, image support, and privacy limits.

  Sep 19, 2026 · 7 min read

• How to Merge PDF on iPhone: Files, Shortcuts, and a Browser Tool

  Combine PDFs on an iPhone or iPad with the Files app, a reusable Shortcut, or a private browser tool, then reorder and save the result.

  Sep 19, 2026 · 8 min read

• JPG vs PNG for Scanning Documents: Clarity, Size, and PDF Use

  Choose JPG for smaller photo-heavy scans and PNG for sharp text and line art. Compare compression, OCR, and ways to make a shareable PDF.

  Sep 19, 2026 · 8 min read

• How to Sign a PDF: Add a Signature Free on Any Device

  Learn how to sign a PDF free on phone or desktop: draw, type, or upload a signature, place it, save it, and understand e-sign validity.

  Sep 19, 2026 · 7 min read

• How to Redact a PDF: Permanently Remove Sensitive Information

  Learn why black boxes fail, how to find IDs, IBANs, and emails, redact scans, clear PDF metadata, and verify the finished file.

  Sep 19, 2026 · 8 min read

• How to Make a Scanned PDF Searchable: OCR, Languages, and Checks

  Make scanned PDFs searchable online with OCR. Choose document languages, straighten pages, verify text, then convert the OCR PDF to Word.

  Sep 19, 2026 · 8 min read

• How to Merge PDF Files: Options for Every Device

  Learn how to merge PDF files on any device, reorder pages, add images, and create one readable PDF with useful file bookmarks.

  Sep 19, 2026 · 8 min read

• Compress PDF to 200KB: Steps for Forms and Email

  Learn how to compress a PDF to 200 KB for applications or email, choose the right settings, verify the result, and handle files that cannot shrink further.

  Sep 19, 2026 · 8 min read

• Compress PDF to 1MB: Choose the Right Compression Level

  Need a PDF under 1 MB? Compare compression levels, preserve readable text, check the final size, and retry with PDF Toucan.

  Sep 19, 2026 · 7 min read

• Compress PDF to 100KB: Portal-ready File Size Guide

  Learn what makes PDFs large, choose a realistic compression level, and prepare scanned or digital files for 100 KB government and job portal limits.

  Sep 19, 2026 · 8 min read

• How to Combine PDF Files on Windows 11: Free Merging Methods

  Windows 11 cannot natively merge PDFs. Learn the Print to PDF limitation, a private browser-based method, file ordering, and large-scan tips.

  Sep 19, 2026 · 7 min read

• How to Add Page Numbers to a PDF: Positions, Starts, and Formats

  Learn where to place PDF page numbers, start at 1 after a cover, choose Word for Roman numerals or Page 1 of 10, and number exported PDFs online.

  Sep 19, 2026 · 8 min read