Username Checker: 13 Verified Developer & Creator Platforms

Username Social Media Finder — Check 50+ Sites

memo23/username-social-finder

Check which of 50+ platforms a username exists on: Instagram, YouTube, X, GitHub, Reddit, Steam, Behance, Substack, Strava and more. Every platform is validated against a known-fake handle, so a "found" means found — no soft-404 false positives. OSINT, brand protection, handle availability.

Bulk Username Checker: GitHub, GitLab, Docker

comall-agency/username-osint-checker

Check whether a username exists on GitHub, GitLab, Docker Hub, Keybase and Hacker News in a single call, through each platform's own public API. No login and no scraping. A platform that times out is reported as unknown, never collapsed into not-found.

Sherlock Username Scraper - Find Accounts by Username

scrapesage/sherlock-scraper

Hunt a username across 480+ social networks and websites. For each handle, returns the sites where an account exists, the profile URL, and a discrimination-verified match status that suppresses false positives. Check up to 100 usernames per run. No login, no API key. Export JSON, CSV, Excel.

Username Checker

mina_safwat/username-checker

Checks whether a username is taken across hundreds of websites and returns the profile link wherever it exists

Username Lookup — Social Media Account Search (200+ Sites)

ntriqpro/user-scanner-osint

Username search across 200+ social media, developer, gaming and creator platforms. Enter one or more usernames and get one row per confirmed account, with profile URL, category and scraped metadata. Powered by the open-source user-scanner (MIT). Unofficial wrapper.

Username Availability Checker 🔍

easyapi/username-availability-checker

Check username availability across 80+ platforms including Twitter, Instagram, YouTube, GitHub, and more! Get instant results with platform logos, URLs, and availability status. Essential tool for brand research, social media management, and digital presence optimization. 🔍

Check if a username is available across 50+ social platforms. Enter a username and instantly see which sites have profiles registered. Perfect for brand monitoring, username squatting detection, and digital identity research.

Username Checker — Find Profiles Across 460+ Platforms

automation-lab/username-checker

Search for any username across 460+ platforms instantly. Like Sherlock but no install needed — runs in the cloud. Find social media accounts, check username availability, or audit your brand. Covers GitHub, Reddit, Twitter/X, Instagram, TikTok, Steam, YouTube, LinkedIn, and 450+ more.

Email & Username Account Finder — Social Footprint Check

ntriqpro/socialscan-osint

Give it one email or username and get back the platforms where that identity is registered — GitHub, GitLab, Instagram, Twitter, Reddit, Tumblr and more — plus a Gravatar/GitHub profile and a 0–100 exposure score. 100% passive: no login, no password reset, no notification to the target.

Username Checker - Social Media Handle Availability (10 Sites)

s-r/cross-platform-handle-checker

Check if a username is available across Instagram, TikTok, X, YouTube, Threads, Snapchat, Pinterest, GitHub, Reddit and LinkedIn in one run. Social media handle availability, follower reach and verified status - brand protection and creator vetting.