Preview
Used by 27 peopleen.wikipedia.org ↗

“I tweak the comics on my MacBook in Preview, the application that comes with the computer.”
Edith Zimmerman Interview, Artist, writer · via Uses This 
“The Preview app is also very useful when I need to apply watermarks on screenshots and crop them.”
Jane Manchun Wong Interview, Engineer, security researcher · via Uses This 
“And I just use Preview for my scanner.”
Hiller Goodspeed Interview, Illustrator · via Uses This 
“I use Preview for editing photos, but all I'll do is edit the size to fit with the 640 pixel regulation for VICE.”
Chloe Cross Interview, Writer (VICE) · via Uses This 
“Preview is good enough for my PDF viewing and annotating.”
Flourish Klink Interview, Story-teller, lecturer, IF writer · via Uses This 
“For talks based on a research paper, the ability to copy and paste vector-scalable graphics from PDFs in Preview into Keynote is a killer feature.”
Matt Might Interview, CS Professor (University of Utah) · via Uses This 

“This even goes for webcomics; I have Lynx set up to download selected images and display them in Preview.”
Andrew Plotkin Interview, Hacker, IF Wizard · via Uses This