How to Make a Halloween Poster in 5 Simple Steps

Open MiriCanvas in your browser and decide where your poster will appear.

For a school bulletin board or a take-home flyer, a portrait layout is a practical starting point. If you’re printing on standard US office paper, choose a letter-size design at 8.5 × 11 inches. For a larger poster, check the required dimensions with your print shop before you begin.

If you also plan to share the design online, check how it fits the intended post or screen. You can reuse the same design, but you may need to adjust the layout for a different shape.

The templates linked below use a portrait web-poster format. If you’re using one for print, check its dimensions and how the artwork fits your chosen paper size.

For this walkthrough, keep your working canvas at US Letter size and check the layout after applying the template.

Browse the Halloween poster templates and look for a layout that can hold your event details comfortably.

A large illustration might be the first thing you notice, but check the text areas too. Is there room for the full event name? Can you add a street address without making it tiny? Is the date easy to spot?

For our school family night, we’ll use this purple Halloween costume party template. It features children in costumes and friendly ghost characters on a staircase, making it a good starting point for a family event.

The title and short description sit toward the upper left, while the location appears at the bottom right. We’ll update those text areas and keep the illustrated scene.

Replace the sample text with your event name, date, time, location, and main instruction.

Start with the headline, then work through the details. Keep the headline short enough to fit comfortably, but don’t worry about matching the original word count. Adjust the line breaks or text size if needed, and avoid shrinking the title until it becomes hard to read.

For our example, change “HALLOWEEN / COSTUME / PARTY” to “HALLOWEEN / FAMILY / NIGHT.”

Use the description area below the headline for Saturday, October 31, 2026, the 6–8 p.m. time, and “Come in costume!” Give the date and time their own lines so they’re easy to find.

Replace “Riverside Park 123” at the bottom right with your school’s name, gym location, and street address. If the address needs more space, widen or reposition the text box instead of making the text too small.

Delete any sample wording you don’t need, and check that every detail matches your event.

Once your wording is in place, you can see whether the design still feels balanced. Focus on a few changes that make it suit your event and easier to read.

Before downloading, read every line once more. Check the date, day of the week, time, address, and any registration details.

Then preview the poster at a smaller size. Can you still read the event name and date? If you’ll share it on social media, look at it on your phone and check for cropped text or details that are too small.

For printing, review the design at the intended output size and print a test copy if possible.

Download a PNG for sharing online. For printing, use an appropriate PDF option and check your printer’s or print shop’s requirements, including the finished size and any bleed or margin specifications.