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Preview of Gradescope to Cal

Gradescope to Cal by Gradescope to Cal

Automatically sync Gradescope assignments to Google Calendar. Privacy-first: all processing happens locally. Perfect for students managing multiple course deadlines. Built by a UC Berkeley EECS student.

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Extract all your assignments with one click from your Gradescope dashboard.The extension will automatically sync to your calendar.Clicking on the events in your calendar to go straight to the submission page.Make the events yours with color and reminders customization through the options page.
About this extension
Stop forgetting Gradescope deadlines. Sync them to Google Calendar automatically.

Built by a UC Berkeley EECS student who kept missing deadlines across 6 different courses.

โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”
HOW IT WORKS
  1. Visit your Gradescope dashboard and let auto-extract do the work ( or click "Extract Assignments")
  2. Connect Google Calendar (one-time, 30 seconds)
  3. All assignments appear in your calendar with direct submission links
  4. New assignments auto-sync every 24 hours in the background

No manual work. No forgotten deadlines. Just check your calendar like normal.

โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”
WHAT YOU GET

โœ“ Every Gradescope assignment โ†’ Google Calendar event
โœ“ Direct links to submit (click the event, click the link, submit)
โœ“ Works across all your devices (phone, laptop, anywhere you check calendar)
โœ“ Automatic daily sync - extract once, stay updated forever
โœ“ Customizable colors, reminders, and display options

โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”
PRIVACY-FIRST

Everything happens in your browser. No servers. No tracking. No data collection.

The extension only reads from Gradescope and writes to your Google Calendar. That's it.

Open source: https://github.com/Matut-E/gradescope-to-Cal
โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”
WHO THIS IS FOR

UC Berkeley students (and anyone using Gradescope) who are tired of:
- Checking 3+ different course pages for assignment due dates
- Missing deadlines because you forgot to check Gradescope
- Manually typing deadlines into your calendar every week

If you use Gradescope + Google Calendar, this saves you hours per semester.

โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”
Currently used by 50+ students. Free. MIT licensed.
Developer comments
KNOWN COMPATIBILITY ISSUE:
Google OAuth may fail during initial setup if Privacy Badger, ClearURL, or similar privacy extensions are active. You'll see an "Unknown Error" at the final OAuth step.
WORKAROUND:
  1. Temporarily disable privacy extensions
  2. Complete Google Calendar connection (takes 30 seconds)
  3. Re-enable privacy extensions

Once connected, all privacy extensions work normally with Gradescope to Cal.
This is a Google OAuth redirect issue, not a bug in this extension. I'm investigating workarounds for future versions.
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Permissions and data

Required permissions:

  • Access browser tabs
  • Access your data for sites in the gradescope.com domain
  • Access your data for accounts.google.com
  • Access your data for www.googleapis.com
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More information
Version
1.9.0
Size
204.11 KB
Last updated
3 days ago (Nov 1, 2025)
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