Guides
Short, practical help for everyday PDF and photo jobs, written for phone users.
-
How to Compress a PDF to Under 200 KB
Need a small PDF for an online form? Learn why PDFs get big, which compression level to pick, and how to reach a 200 KB target step by step.
-
How to Convert iPhone HEIC Photos to JPG
iPhone photos not opening on your PC or uploading to a form? Learn what HEIC is and three ways to turn HEIC photos into JPG, including a private tool.
-
How to Convert Phone Photos to One PDF
Turn several photos from your phone into a single PDF in a few taps. Learn how to order pages, pick a page size and keep the file small.
-
How to Fix a Sideways or Upside-Down Scanned PDF
Scanned PDF turned the wrong way? Rotate every page, or just the wrong ones, and save a corrected file. Quick steps for phone and computer.
-
How to Merge PDF Files on Your Phone
Combine two or more PDF files into one on your phone, in the order you want. Simple steps, no app needed, and your files stay on your device.
-
How to Reduce Photo Size for Online Application Forms
Photo too big for an online form? Learn the difference between pixels and file size, and how to shrink a photo to the size a form asks for.
-
How to Sign a PDF on Your Phone
Sign a PDF with your finger, a typed name or a photo of your signature. Simple steps, plus an honest note on what a visual signature is.
-
How to Split a PDF and Save Only the Pages You Need
Learn how to pull a few pages out of a big PDF, or cut a long file into smaller parts. Easy steps for phone and computer, with no upload.
-
How to Turn Screenshots into a PDF
Combine several screenshots into one tidy PDF for email, proof or printing. Learn how to take clean screenshots, order them and keep the file small.
-
Is It Safe to Use Online PDF Tools?
An honest look at the privacy risks of online PDF tools, the difference between upload tools and browser-based tools, and how to check for yourself.
-
JPG vs PNG vs WebP: Which Format Should You Use?
JPG, PNG or WebP? A plain-English guide to what each image format is good at, how they differ in size and quality, and when to pick each one.