There are some seldom known about , but unbelievably utile blusher - style tools uncommitted in Preview , macOS ’s built - in figure viewer . And as of macOS Mojave , these instrument are now available when you apply Quick Look to get a trailer of an image or PDF , simply by pressing Command + Space when the file is selected .
The tools include the power to bring notes and simple marks , speech bubble and shapes to any image you have open in Quick Look or Preview without any bickering : jpgs , tifs , pdfs and mint more . One of those features is the ability to make and save a digital signature tune , and then hold this to any simulacrum or PDF . We ’ve attend the simplePaint - like features in a separate clause here – and we also look athow to redact PDFs on a Mac here .
The digital signature is in all likelihood the most utile of Preview ’s Paint - mode feature . So lease ’s look at it in more depth . Here ’s how to signal a PDF or other image document using Preview ’s digital key signature characteristic . We ’ll also appear shortly at how you may apply a like feature article in Mac Mail .
How to create a digital signature on a Mac
If you need to signalise a PDF you might recall the only way you could do so is to print it off , sign it with a penitentiary , and then scan it in again . instead you might be ‘ bless ’ things by using a fancy handwriting - style font . But there is a unspoilt manner . you may preserve your signature tune to your Mac and insert that when you need it . Here ’s how :
Note , we ’ll walk you through using Preview to do this , but once you ’ve got everything set up you will be able to put in the signature tune from Quick Look without even launch the Preview app !
Sign a PDF or other image file
Once you ’ve got a touch saved in Preview it ’s improbably easy to tot up it to this or any other image file in future . As we said above , as of macOS Mojave you do n’t even need to open up Preview to do so .
How to delete digital signatures
possibly we ’re paranoid , but those who share a Mac with other people – particularly those you do n’t screw terribly well – might not need to keep digital copies of their signature save up in Preview . ( And it does keep the signature saved by default . )
Click the theme song ikon in the Markup Toolbox and hover your cursor over the one you like to get free of . An decade will appear ; click this to delete the theme song .
Sign documents in Mail
We ’ve shown how to produce digital signature in Preview , but there ’s a similar feature in Mail . WhenMac OS X Yosemitelaunched back in 2014 , Mail gained the ability to sign on documents , such as PDF forms , digitally .
It works almost exactly the same as in Preview . Click the Sign button in the Markup toolbar and Mail will need if you want to write your signature by hand , using your mouse or trackpad . It can also use your Mac ’s webcam to take a photo of your signature as well .
For more advice on using Mail for Mac , see our roundup ofMail for Mac tips .
