Check usernames across 33 social platforms and 15 domain extensions in a single free search. Enter a name below to see where it's available — instantly.
Domain results come from live DNS lookups — highly accurate but not a substitute for a registrar check. Username results are estimates — we recommend verifying directly on each platform.
The fastest way to check usernames across the web — free, private, and accurate.
Check usernames in seconds with our optimized algorithm that scans all platforms simultaneously.
All checks happen in your browser. We never store, log, or sell your searches.
No need to jump between sites. Check 15 domain extensions and 33 social platforms from one search box.
Hand-picked partners to help you launch and grow your brand
Some links below are affiliate links. We may earn a commission at no extra cost to you.
Premium hosting with up to 80% off and a free domain. Perfect for launching your new brand.
Get This OfferProfessional email campaigns with automation. Grow your audience and engage customers.
Try For FreeGenerate creative, unique username ideas instantly. Perfect for every social platform.
Generate NowProtect your digital identity with military-grade encryption on any network.
Get 65% OffThree steps, one search box.
Type the username or brand name you want to check.
Our system checks 33 platforms and 15 domain extensions simultaneously.
Register the domain on Namecheap or open the platform to grab your handle.
Everything you need to know about checking usernames
Enter your desired username in the search box above and press Check Usernames. We instantly scan 33 social platforms and 15 domain extensions, then show you exactly where the name is free.
Yes — you can check usernames and domains for free with no signup, no credit card and no hidden limits.
We check usernames on 33 platforms including TikTok, Instagram, YouTube, Twitter/X, Facebook, Pinterest, LinkedIn, Snapchat, Reddit, Twitch, Discord, GitHub, VK, WhatsApp, Tumblr, Vimeo, Rumble, Dailymotion, Steam, Xbox, Minecraft, Spotify, SoundCloud, Medium, WordPress, Telegram, Signal, Kik, Blogger, Bluesky, Mastodon and Threads.
Yes. Alongside usernames, we check domain availability for 15 extensions — .com, .net, .org, .io, .ai, .co, .xyz, .online, .biz, .info, .me, .app, .shop, .tech and .store — using live DNS lookups.
Domain results come from live DNS queries and are highly accurate, though we always recommend confirming on a registrar before purchase. Username results are estimates — always verify directly on the platform before you commit to a brand name.
Tips, guides and industry insights
Strategies for selecting a memorable and effective username across all platforms.
Read MoreWhat makes a TikTok username stand out — and how to claim yours before it's gone.
Read MoreEssential security practices to protect your accounts from impersonators.
Read MoreJoin hundreds of thousands of creators who trust Check-Username to secure their brand online.
Start Checking NowCheck usernames across 33 social platforms and 15 domain extensions in a single free search. Enter a name below to see where it's available — instantly.
Domain results come from live DNS lookups — highly accurate but not a substitute for a registrar check. Username results are estimates — we recommend verifying directly on each platform.
The fastest way to check usernames across the web — free, private, and accurate.
Check usernames in seconds with our optimized algorithm that scans all platforms simultaneously.
All checks happen in your browser. We never store, log, or sell your searches.
No need to jump between sites. Check 15 domain extensions and 33 social platforms from one search box.
Hand-picked partners to help you launch and grow your brand
Some links below are affiliate links. We may earn a commission at no extra cost to you.
Premium hosting with up to 80% off and a free domain. Perfect for launching your new brand.
Get This OfferProfessional email campaigns with automation. Grow your audience and engage customers.
Try For FreeGenerate creative, unique username ideas instantly. Perfect for every social platform.
Generate NowProtect your digital identity with military-grade encryption on any network.
Get 65% OffThree steps, one search box.
Type the username or brand name you want to check.
Our system checks 33 platforms and 15 domain extensions simultaneously.
Register the domain on Namecheap or open the platform to grab your handle.
Everything you need to know about checking usernames
Enter your desired username in the search box above and press Check Usernames. We instantly scan 33 social platforms and 15 domain extensions, then show you exactly where the name is free.
Yes — you can check usernames and domains for free with no signup, no credit card and no hidden limits.
We check usernames on 33 platforms including TikTok, Instagram, YouTube, Twitter/X, Facebook, Pinterest, LinkedIn, Snapchat, Reddit, Twitch, Discord, GitHub, VK, WhatsApp, Tumblr, Vimeo, Rumble, Dailymotion, Steam, Xbox, Minecraft, Spotify, SoundCloud, Medium, WordPress, Telegram, Signal, Kik, Blogger, Bluesky, Mastodon and Threads.
Yes. Alongside usernames, we check domain availability for 15 extensions — .com, .net, .org, .io, .ai, .co, .xyz, .online, .biz, .info, .me, .app, .shop, .tech and .store — using live DNS lookups.
Domain results come from live DNS queries and are highly accurate, though we always recommend confirming on a registrar before purchase. Username results are estimates — always verify directly on the platform before you commit to a brand name.
Tips, guides and industry insights
Strategies for selecting a memorable and effective username across all platforms.
Read MoreWhat makes a TikTok username stand out — and how to claim yours before it's gone.
Read MoreEssential security practices to protect your accounts from impersonators.
Read MoreJoin hundreds of thousands of creators who trust Check-Username to secure their brand online.
Start Checking Now