| Aspect | H1B Transfer | H1B Extension |
|---|
| Purpose | Change of employer while maintaining valid H1B status | Renewal of existing H1B visa validity period |
| Process | File with USCIS to transfer employment to a new employer | File to extend current H1B visa beyond initial validity |
| Credentials Needed | Same as initial H1B, including employer sponsorship | Same as initial H1B, focusing on renewal |
| Work Environment | New employer, same job role | Same employer and job role |
H1B Transfer involves changing employers while maintaining valid visa status, whereas H1B Extension extends the duration of your current visa with the same employer. Both require similar credentials but serve different purposes in your employment timeline.