Built by a teacher, for teachers

Stop setting due dates
one by one.

FillDay fills in the right due dates and times for every one of your Canvas sections — automatically, based on your bell schedule. One click and you're done.

Start Free Trial → 7 days free. No credit card needed.
📅 Auto-Fill Dates sdhs
SectionPeriod Override
ALGEBRA II – Stanford – 4(A)
✓ Auto
ALGEBRA II – Stanford – 6(A)
✓ Auto
Due Date
How it works

Three steps.
Then never think about it again.

Set it up once with your bell schedule and it works automatically on every assignment from then on.

1
🔧

Install the extension

Add FillDay to Chrome in about 2 minutes. No IT department needed.

2
🕐

Enter your bell schedule

One-time setup. Tell FillDay when each period starts and ends and it remembers forever.

3
⚡

Click Fill Dates

Every section gets the right due date and time. FillDay even saves the assignment automatically.

"I used to spend 10 minutes on every single assignment just setting dates. Now it takes 10 seconds."

High school teacher, San Diego

Pricing

Simple, honest pricing.

Try it free for a week. If it saves you time, keep it for less than a coffee a month.

7-day free trial — no card required
$1
per month after trial
  • All sections filled automatically
  • Works with any bell schedule type
  • A/B days, block schedules, MWF/TTh
  • Student accommodation cards preserved
  • Auto-saves when done
  • Works on assignments and quizzes
Start Free Trial

Cancel anytime. No hidden fees. No credit card to start.