Bulk validation tool

GitHub Username Validator

Upload files containing GitHub usernames or profile links to validate, detect duplicates, and identify invalid accounts in bulk.

AuthenticationOptional

Add a Personal Access Token to increase rate limits from 60 to 5,000 req/hr and enable fast GraphQL batch processing.

Rate Limits

Without PAT: Shared 60 req/hr — may fail under load.

With PAT: Personal 5,000 req/hr + 20× faster batching.

Your token never leaves your browser.
Repository AnalysisOptional

Enter a GitHub repository URL to check which validated users have starred or forked it. Helps identify engaged community members.

Input Usernames

Upload a file or paste usernames manually. Limit: 5,000 per batch.

Drop file here or click to browse

CSV, TXT, XLSX, DOCX — up to 10 MB