Guides · 17 articles
PDF guides in plain English
Short answers for the situations where PDFs cause the most trouble. Each guide has the right tool built into the page.
Phone and computer
Scans, photos and files from your phone and computer.
- How to merge PDFs on your phoneHow to combine several PDFs into one on Android or iPhone, right in the browser, without installing anything and without uploading your files.
- How to make a PDF from photos of documentsPhotograph documents with your phone and turn the photos into a single PDF, ready to email or upload. Free, with no app and without uploading the photos.
- How to scan several pages into a single PDFScanned or photographed each page separately? Put them all into one PDF, in the right order, on your phone or computer, with no software.
- How to make a PDF from photos on iPhoneTurn iPhone photos into a PDF, in the browser or the Files app. Plus what to do about the HEIC format that many portals reject.
- How to make a PDF from photos on AndroidPut photos from an Android phone into one PDF, right in the browser: choose, sort and download. Plus the Print and Google Drive options.
- How to rotate a PDF permanently (not just the view)Rotated the PDF but it's still sideways for the recipient? The button in your PDF reader only changes the view. Here's how to save the rotation in the file.
- How to sign a PDF on your phoneSign a PDF right on your phone: sign with your finger in the box, tap the right spot on the page and send the signed PDF straight away.
- What is a HEIC file and how do you open it?HEIC is the default format for iPhone photos: good quality, small files, but often not supported by portals and Windows. Here's how to convert it.
- How to scan documents with an iPhoneThe iPhone has a document scanner in the Notes and Files apps. Here's how to scan several pages into one PDF, or straight in the browser without the cloud.
- How to scan documents with an Android phoneWith Google Drive you can scan documents on an Android phone straight to PDF. Here's how, step by step, and how to scan in the browser without the cloud.
- How to fill in a PDF form on your phoneHow to fill in a PDF form on your phone, even without fillable fields, sign it and send it, with no printer and no app, right in your browser.
File size
What to do when an email or portal says the file is too large.
Work and jobs
CVs, application documents and paperwork for employers.
Contracts and ID
Contracts, signatures and ID copies without a printer.
- Why is my PDF so large? The common causesA PDF with a few pages can be tens of MB. Find out what bloats it (scans, photos, fonts) and how to shrink it without damaging the document.
- Are online PDF tools safe? How to check for yourselfMany PDF websites upload your files to their servers, others process them in your browser. Here's how to tell the difference and protect sensitive documents.
- Completed PDF form shows up blank for the recipientThe recipient sees only empty fields in the PDF form you filled in? Form fields are a separate layer. Flatten the form so everything stays visible.