Putting a tick or cross in a box on a PDF is a doddle if you have the free Adobe Acrobat Reader DC app. It’s available for Windows and Mac, as well as on Android and iPhone. So, if you haven’t got it, click the link, or search the app store on your phone for Adobe Fill & Sign and install it.

How to add a tick symbol to a PDF on a PC or Mac

If that’s all you need to do, you can now save the document with the appropriate checkboxes filled in. If not, click on the other fields and fill them out, and tick other boxes as requires. If you need to sign as well, here’s how to add a digital signature to a PDF.

How to add a tick symbol to a PDF on a phone or tablet

If you’re working with a PDF on your iPhone or Android phone, the process is very similar. You’ll need to get free Adobe Fill & Sign app. When this is done, tap the Select a form to fill out icon and find the PDF file you want to edit.

Now, navigate to the place on the form where you want to add a tick, tap and hold that spot until you see a menu appear. Then select the tick icon and one will be placed in the box.

If it’s not quite right, tap the and hold the tick until you see a large circle appear around it. Now drag the tick to the correct space. Again, you can use the two A icons to adjust the size of the tick.

When you’re happy, tap another area of the document and the box will disappear leaving only the tick behind. If you’re looking to do more with your PDF files, here are the best PDF editors to use.

Martyn has been involved with tech ever since the arrival of his ZX Spectrum back in the early 80s. He covers iOS, Android, Windows and macOS, writing tutorials, buying guides and reviews for Macworld and its sister site Tech Advisor.