Domain Checker icon

Domain Checker

by shiftshift.app · shiftshift.app · Developer Tools
FeaturedEstablished publisherManifest V3 in_app
View in Chrome Web Store Data as of 16 Oct 2026

Check domain availability across 100+ TLDs instantly

Users
75
+5 in 30 days
Rating
2.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#94K
#78K among extensions
Version
2026.8.13.2206
updated 16 Aug 2026

Users

monthly, 10 months
03875Dec 2025Jun 2026Oct 2026
Latest, 16 Oct 2026: 75 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months
001Dec 2025Jun 2026Oct 2026
Latest, 16 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Domain Checker

Check domain name availability instantly across more than 100 top-level domains with this powerful domain checker Chrome extension. This tool helps you find available domains for your website, business, or project by checking multiple TLDs simultaneously as you type. Stop wasting time checking domains one by one on different registrar websites. Are you searching for the ideal domain name for your new venture? Do you struggle to find available domains when your first choice is already taken? Need to quickly verify domain availability before someone else registers it? This domain checker Chrome extension solves these problems by providing real-time availability checks across all popular domain extensions in one unified interface. Key benefits of this domain availability checker: 1️⃣ Check 100+ domain extensions simultaneously as you type your desired name 2️⃣ Real-time results with color-coded availability status appear within seconds 3️⃣ Results organized by category including Popular, Premium, Tech, Business, and Country codes 4️⃣ Fast DNS-based checking using DNS-over-HTTPS technology for high accuracy 5️⃣ One-click access to domain registration directly from available results 6️⃣ Does not save search history; checks use DNS-over-HTTPS providers such as Cloudflare DNS and Google DNS 7️⃣ Clean minimal interface that stays out of your way until needed How this domain name checker works step by step: ➤ Open the extension using any of three convenient methods described below ➤ Type your desired domain name without any extension suffix ➤ Watch as availability results appear instantly organized by category ➤ Green color indicates available domains ready for immediate registration ➤ Red color shows domains that are already registered by someone else ➤ Click any available domain to open registration page at a registrar ➤ Press Esc to clear your search and start checking a new domain name This domain availability checker uses advanced DNS-over-HTTPS technology for fast and accurate results. Unlike traditional WHOIS lookups that can take several seconds per domain, this extension provides near-instant feedback on domain availability across all major TLDs. The technology queries authoritative DNS servers to determine if a domain has any DNS records configured. Domain categories checked by this extension include: ▸ Popular extensions like com, net, org, io, dev, and co for mainstream websites ▸ Premium domains including ai, co, me, tv, and fm for memorable branding ▸ Tech-focused TLDs such as app, dev, cloud, software, and digital for startups ▸ Business domains like agency, company, services, consulting, and solutions ▸ E-commerce extensions including shop, store, market, buy, and sale ▸ Media and creative TLDs such as design, studio, art, and photography ▸ Country code domains for over 40 countries including uk, de, fr, jp, and au Who should use this domain checker Chrome extension: • Entrepreneurs and startup founders searching for the ideal brand domain name • Web developers and agencies checking domain availability for client projects • Digital marketers researching domain options for new campaigns and landing pages • Small business owners establishing their online presence for the first time • Domain investors looking for valuable available domains across multiple TLDs • Anyone starting a new website, blog, portfolio, or online project Access this domain checker instantly using the ShiftShift command palette. Three convenient ways to open the extension from any webpage you are browsing: 1. Press the Shift key twice quickly for instant access from anywhere 2. Use Cmd+Shift+P on Mac or Ctrl+Shift+P on Windows and Linux systems 3. Click the extension icon pinned in your browser toolbar for quick access Navigate the interface efficiently with these keyboard shortcuts: - Arrow keys Up and Down to move through domain results and categories - Enter key to select a domain and open the registration page - Esc key to clear your current search and go back to empty state - Type anywhere to start a new domain search immediately Customize your experience in Settings accessible from the command palette. Choose your preferred theme from Light mode, Dark mode, or System automatic switching. Select your interface language from 52 supported languages for global accessibility. Sort your tools by frequency of use with Most Used or alphabetically with A to Z sorting. ShiftShift recommendations: the command palette may show other ShiftShift tools that fit your workflow. These recommendations are separate from the domain check and can simply be ignored. Common questions about this domain availability checker: How accurate are the availability results? The extension uses DNS queries to authoritative servers which provide highly accurate availability information. Green results indicate domains that are very likely available for registration at any accredited registrar. Which TLDs and domain extensions are supported? Over 100 domain extensions are checked including all popular generic TLDs, new gTLDs introduced in recent years, and major country code domains from around the world covering most registration needs. Can I register domains directly from this extension? Yes, clicking on any available domain opens a registration search page where you can compare prices and secure the domain immediately at your preferred registrar. Does this extension store my search history? No, the extension does not keep a domain search history in browser storage. Availability checks send the domain being checked to DNS-over-HTTPS services, using Cloudflare DNS first and Google DNS as a fallback. Clicking an available domain opens Namecheap in a new tab. Finding the ideal domain name is crucial for your online success and brand identity. A memorable domain helps customers find you and builds trust. This Chrome extension makes it effortless to discover available domains across all major extensions without visiting mult…

Growth

WindowUsersChangeRatingsRating
7 days+5+7.1%00.00
30 days+5+7.1%00.00
6 months+55+275.0%+1+2.00

Chrome Web Store search rankings

Where Domain Checker appears when people search the store, with the 30 day change
Search phrasePosition30 days
domain#6+14

Version history

9 versions recorded
2026.8.13.220616 Aug 2026
2026.5.4.12307 May 2026
2026.03.16.89017 Mar 2026
2026.03.10.70812 Mar 2026
2026.02.05.7617 Feb 2026
2026.02.03.10535 Feb 2026
2026.01.19.127422 Jan 2026
2025.12.24.72026 Dec 2025

Details

Category
Developer Tools
First seen
15 Dec 2025
Size
1.0 MB
Languages
de, en, fil, id, sw, ms, nl, vi
Pricing
in_app
Privacy policy
shiftshift.app
Support
shiftshift.app
Extension ID
celcliloilkobhcmhcjajhcldjmcolak

Permissions and risk

Low riskimpact 2, likelihood 1
Permissions
activeTabstoragescripting

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