Create a professional Contract Extension Agreement with our free online generator. This legal document formally extends the duration of an existing contract between two or more parties without altering the original terms and conditions. Specifies the original contract details, new expiration date, any modified terms such as pricing adjustments or updated deliverables, and confirms that all other provisions remain in effect. Essential for employment contracts, service agreements, lease renewals, and vendor relationships. Avoids the need to draft an entirely new contract. Customize with guided form fields, preview in real time, and download as PDF or Word. Includes electronic signature support under the ESIGN Act and UETA. No registration required. Valid in all US states.