How many days of the year are you encouraged to dress and goof around at work? Probably just one — Halloween — and even then, it can be hard to know which office costume ideas are appropriate for the workplace.

We want you to have fun this year, so we‘re taking the work out of it for you. We’ve compiled a list of DIY Halloween costume ideas that are easy to assemble, inexpensive, and perfect for the digital marketer or tech professional.

If your family and friends don’t get your costume, your colleagues definitely will.

55 Office Costume Ideas for Marketing Nerds and Tech Geeks

Computer or App-Related Costumes

Emoji Costumes

Topical Office Costumes