Guides

Short, practical guides for everyday file jobs. Each one uses tools that run in your browser, so your files stay on your device.

• How to make a PDF smaller for email or an upload form

  Shrink a PDF that is too big to email or upload. What makes PDFs large, which compression level to choose, and how to do it without uploading the file.

• How to compress a photo to 100 KB (or 50 KB, 20 KB) for an online form

  Online forms often limit photos to 100, 50 or 20 KB. How to shrink a photo to the exact size, keep it as sharp as possible, and what to do if it will not fit.

• How to save a PDF page as a JPG image

  Turn one page or every page of a PDF into JPG images in your browser. Choosing the resolution, JPG or PNG, and getting a single image instead of a ZIP.

• How to combine several PDF files into one

  Merge several PDFs into a single file in the order you want, add photos as pages, and fix the page order afterwards, all without uploading your files.

• How to turn phone photos of documents into one PDF

  Photographed a contract or receipts with your phone? Put the photos into one tidy PDF, in the right order and the right way up, without uploading them.

• How to sign a PDF without printing it

  Add your handwritten signature to a PDF on a computer or phone. Draw, type or upload it, place it on the page, and know when a picture signature is enough.

• Are online PDF tools safe? How to check that your file is not uploaded

  Most online PDF tools upload your file to a server. What that means, and how to check in your browser that a tool keeps your file on your device.

• How to make a free QR code that never expires

  Why some free QR codes stop working, the difference between static and dynamic codes, and how to make a static code for a link, Wi-Fi or a contact card.