Dark Reader
ProductivityFree
Generates a dark theme for every website.
4.713,100 reviews7M+
View Extension
GDC Calendar Tool
Chrome Extension for adding GDC sessions to your Google Calendar in one click!
GDC Calendar Tool screenshots
Overview
Email jacob@grimbar.dev Non-trader This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer. Privacy Manage extensions and learn how they're being used in your organization Try Chrome Enterprise Core The developer has disclosed that it will not collect or use your data. This developer declares that your data isNot being sold to third parties, outside of the approved use cases Not being used or transferred for purposes that are unrelated to the item's core functionality Not being used or transferred to determine creditworthiness or for lending purposes You might also like… Google Calendar Quick Duplicate
Pros
- privacy-focused
- AI-powered
Cons
- Chrome-only
Who should use GDC Calendar Tool?
Pricing
GDC Calendar Tool is free. There is no paid tier to consider.
Similar extensions
Chrome Remote Desktop
ProductivityFree
Chrome Remote Desktop extension
3.12,900 reviews37M+
View Extension
Adobe Acrobat: PDF edit, convert, sign tools
ProductivityFreemium
Do more in Google Chrome with Adobe Acrobat PDF tools. View, fill, comment, sign, and try convert and compress tools.
4.462,900 reviews311M+
View Extension
Google Keep Chrome Extension
ProductivityFree
Found a webpage, image, or quote that you want to save for later? With the Google Keep Chrome Extension, easily save the things yo.
4.08,000 reviews6M+
View Extension
Volume Master
ProductivityFree
The simplest and most reliable volume booster 🚀 Features ⭐️ Up to 600 % volume boost ⭐️ Control volume of any tab ⭐️ Voice boost -.
4.848,800 reviews7M+
View Extension
Free VPN for Chrome - VPN Proxy VeePN
ProductivityFree
VeePN is a VPN extension that unblocks websites and secures your connection with encrypted tunneling and unlimited bandwidth.
4.552,000 reviews14M+
View ExtensionFrequently asked questions
Is GDC Calendar Tool free?
Yes, GDC Calendar Tool is free to use.
Is GDC Calendar Tool safe to install?
GDC Calendar Tool is published by . As with any extension, review the permissions it requests before installing and remove it if you stop using it.
What are the best GDC Calendar Tool alternatives?
Browse the Productivity category for comparable options.
Related extensions to GDC Calendar Tool
Picked from the Productivity category and the tags gdc, calendar, tool — jump straight to the alternatives and head-to-head pages people open next.
Best Productivity Chrome extensionsDark Reader alternativesGenerates a dark theme for every website.Chrome Remote Desktop alternativesChrome Remote Desktop extensionAdobe Acrobat: PDF edit, convert, sign tools alternativesDo more in Google Chrome with Adobe Acrobat PDF tools. View, fill, comment, sign, and try convert and compress tools.Google Keep Chrome Extension alternativesFound a webpage, image, or quote that you want to save for later? With the Google Keep Chrome Extension, easily save the things yo.Dark Reader vs MomentumWhich productivity extension actually helps?Todoist vs ForestTask capture or site blocking for focus?Dark Reader vs TodoistDark Reader or Todoist: which should I install?Momentum vs TodoistMomentum or Todoist: which should I install?All Productivity extensionsEvery productivity extension in the directory, ranked.
Compare GDC Calendar Tool with the obvious rivals
Side-by-side feature tables, pricing and a clear recommendation.
Dark Reader vs MomentumEye comfort on every site, or a calmer new-tab page with focus and intent.Todoist vs ForestCapture and organise tasks from any page, or block the sites that eat the task list.Dark Reader vs TodoistBoth are productivity extensions people shortlist together — see how ratings, install base, pricing and day-to-day use differ.GDC Calendar Tool alternativesRanked replacements if GDC Calendar Tool is not the right fit.All comparisonsThe full compare hub, grouped by category.
Shortlists that include this category
Best Productivity Chrome ExtensionsThe 10 best productivity Chrome extensions in 2026, ranked with live store ratings and install counts. Includes what each is best for and the permissions to check.Best AI Chrome ExtensionsThe best AI Chrome extensions for writing, research and productivity — Monica, Merlin, ChatGPT for Google and more, ranked by usefulness.Best SEO Chrome ExtensionsThe best SEO extensions for Chrome — Ahrefs, MozBar, SEOquake and more, ranked by metrics, audits and ease of use.Best Privacy Chrome ExtensionsThe 9 privacy Chrome extensions worth installing in 2026 — ad blocking, tracker blocking and password vaults, with live store ratings and permission warnings.Best Tab Manager Chrome ExtensionsThe 7 best Chrome tab managers in 2026, compared: collapse tabs to free memory or save restorable workspaces. Live store ratings, install counts and trade-offs.Best Free Chrome Extensions12 genuinely free Chrome extensions — no trial, no locked core feature. Live store ratings and install counts, plus the permissions to check before installing.Best Password Manager Chrome ExtensionsThe best password manager extensions for Chrome in 2026 — Bitwarden, LastPass, 1Password and more, ranked by security, free tier and sync.Best Ad Blocker Chrome ExtensionsThe best ad blockers for Chrome in 2026 — uBlock Origin, Adblock Plus, AdGuard and Ghostery compared on blocking power, memory use and privacy.Best Tab Manager Chrome ExtensionsTame tab overload with the best tab manager extensions for Chrome — OneTab, Toby, Session Buddy and more, ranked by memory savings and organization.Best Screenshot Chrome ExtensionsThe best screenshot extensions for Chrome — GoFullPage, FireShot, Awesome Screenshot and more for full-page captures, annotation and recording.Best VPN Chrome ExtensionsThe best VPN extensions for Chrome — VeePN, Browsec, CyberGhost and more, ranked by speed, privacy and free tier.Best Bookmark Manager Chrome ExtensionsOrganize your links with the best bookmark manager extensions — Raindrop.io, Pocket, Google Keep and more, ranked by features.Best Note Taking Chrome ExtensionsCapture ideas fast with the best note-taking Chrome extensions — Notion, Evernote, Google Keep and Obsidian tools.Best Reading Chrome ExtensionsRead faster and cleaner with the best reading extensions — Reader View, Read Aloud, Pocket and more.Best Focus & Productivity Chrome ExtensionsBlock distractions and get more done with the best focus extensions — StayFocusd, Forest, OneTab and more.Best Screen Capture Chrome ExtensionsCapture screenshots and record your screen with the best Chrome extensions — FireShot, Screencastify and more.Best Privacy & Security Chrome ExtensionsProtect your privacy with the best Chrome extensions — ad blockers, tracker blockers and password vaults, ranked.Best Writing Chrome ExtensionsWrite better everywhere with the best writing extensions — Grammarly, LanguageTool, Text Blaze and more.Best Developer Chrome ExtensionsEssential Chrome extensions for developers — JSON tools, Markdown viewers, web scrapers and more.