Validate, detect duplicates, and identify invalid GitHub accounts in bulk. Built with Next.js 15, Tailwind CSS, and the GitHub API.
- CSV — auto delimiter detection and column selection
- Excel —
.xlsx/.xlswith header detection - Word — basic
.docxprocessing - Text — one username per line
- Manual input — paste directly into the UI
- Handles GitHub URLs (
https://github.com/username),@username,username#fragment, and mixed formats in a single file - Auto-detects the GitHub username column in structured files
- GraphQL batch (with PAT): 200 users per request, real progress tracking
- REST parallel (no token): 50 users per batch with concurrency control
- Up to 5,000 usernames per session
- Pause / Resume / Cancel with real-time ETA
- Automatic retry with exponential backoff on rate limits
- With PAT: 5,000 req/hr, GraphQL batch processing
- Without PAT: 60 req/hr, REST sequential
- Token stays in browser memory only — never stored or sent to any server
- Stars check: GraphQL per-user batch (8 users/query) or REST repo stargazer scan with early termination
- Fork check: GraphQL batch queries
{user}/{repo}(15 users/query) or REST per-user — always O(users) calls - Check modes: Stars only, Forks only, or Both
- Retry with backoff on 502/503 errors
- Status: All, Valid, Fake (invalid + deleted + duplicate), Invalid, Deleted, Duplicate, Pending, Error
- Engagement: Starred, Forked, Any Engagement, No Engagement
- Account age: 2+ months, 3+ months, 6+ months, 1+ year
- Full-text search across usernames, profile names, and original values
- Multi-column sorting
- CSV export with selectable columns
- Exports respect all active filters
- Includes engagement data, account age, and profile info
- Total, Valid, Invalid, Deleted, Duplicates, Fake, Pending, Errors
- Repository Starred / Forked counts (when repo URL is provided)
- All processing happens client-side
- GitHub PAT tokens stay in browser session memory
- No analytics, no tracking, no data storage
- Email: rs4101976@gmail.com
- Head over to my github handle from here
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