Outlook / Hotmail Username Availability — Bulk Email Checker

Gmail Username Availability — Bulk Email Registration Checker

maged120/gmail-availability

Check whether Gmail usernames are available for new account registration. Verify a list of usernames in bulk without creating any accounts.

All-in-One Username Availability Checker

scraper-mind/all-in-one-username-availability-checker

Username Availability Checker – Quickly check username availability across 85+ platforms like Instagram, X, Reddit & more! 🚀 Ensure your brand or online identity is unique and secure. ✅ Supports proxy configuration for privacy. Get accurate results in JSON, CSV, or Excel!

Bulk Email Verify : with this tool you can verify bulk Email in bulk at very reaonable cost.

Free Email Verifier - Verify Email Address

s-r/free-email-verifier---verify-email-address

Verify a single email address or bulk email list using our email checker.

Outlook Inbox Reader API

voyn/outlook-inbox-reader-api

Outlook Inbox Reader connects with Outlook API and Office 365 API to extract emails, filter by sender or date, and save bodies and attachments into structured datasets for HR, invoices, leads, support, and compliance.

Bulk email validator

unlimitedleadtestinbox/bulk-email-validator

Email verifier : Verify professional emails in bulk

Instagram Username Availability Checker · Bulk · No Login

corent1robert/instagram-handle-checker

Instantly check Instagram username availability for hundreds of handles at once. Save hours of manual work by automating username validation. Get real-time availability status and smart suggestions for taken usernames. Perfect for agencies, entrepreneurs, and marketers researching brand names.

Username Availability Checker

sync-network/username-availability-checker

Check if usernames are available or taken across 36 platforms (GitHub, Instagram, TikTok, Reddit, YouTube, Twitch, Spotify, and more). Uses fast API endpoint probing — no browser needed. Supports bulk username checking with configurable concurrency and rate-limit handling.

Gmail Username Checker

maximedupre/gmail-username-checker

Check Gmail username availability in bulk. Paste usernames or @gmail.com addresses and get clean available, taken, or invalid rows without creating accounts.

Email check, verify, validate

anchor/email-check-verify-validate

Email Check, verify and validate in seconds: Unlimited