Guides

Short, practical guides to the PDF tasks people do most. Every method here is free and runs entirely in your browser — your files never leave your device.

• How to merge PDF files for free (without uploading them)
  Combine several PDFs into one document in seconds — privately, right in your browser.
• How to compress a PDF and reduce its file size
  Shrink large PDFs so they fit email limits, without paying for software.
• How to convert a PDF to JPG images
  Turn each page of a PDF into a clean image you can share or edit.
• How to convert JPG or PNG images into a PDF
  Bundle photos and scans into a single, tidy PDF document.
• How to split a PDF or extract specific pages
  Keep only the pages you need, or break a PDF into separate files.
• How to rotate PDF pages (and save it for good)
  Fix sideways scans so the file looks right for everyone, not just you.
• How to reduce a PDF’s size so it fits an email
  Get under common 10 MB / 25 MB attachment limits in seconds.
• How to convert a PDF to PNG images
  Lossless, high-quality images — ideal for diagrams, logos and line art.
• How to delete pages from a PDF
  Drop the pages you don’t need by keeping the ones you do.
• How to reorder or rearrange pages in a PDF
  Put pages in the right order with a simple split-and-merge.
• How to scan a document to PDF with your phone
  No scanner needed — turn phone photos into a clean PDF.
• How to fill in a PDF form
  Fill interactive forms or flat scans, free and without software.
• How to sign a PDF
  Add your signature privately, without printing or signing up.
• Are online PDF tools safe? What to check before you upload
  Most PDF sites upload your files to a server. Here is why that matters — and the safer alternative.