What makes a DMCA notice valid
U.S. copyright law requires a takedown notice to include specific elements: identification of the original work, identification and location of the infringing material, your contact information, a good-faith statement that the use is unauthorized, and a statement under penalty of perjury that the notice is accurate and that you are authorized to act. This generator includes all of those elements in the standard order.
Where to send the completed notice
Where you send the finished notice depends on the platform - most hosts, social networks, and search engines publish a dedicated DMCA agent contact or submission form, often found in their terms of service or a dedicated copyright policy page. Sending the notice to the correct designated address, rather than a general support inbox, usually determines how quickly it actually gets reviewed.
Why the "statement under penalty of perjury" section matters more than it might seem
This section is what carries legal weight behind the notice - it's the part that tells the recipient you are not just making an informal complaint, but are willing to be held legally accountable if the claim is false. That's precisely why the notice should only be filed when you genuinely hold or represent the rights in question, and why knowingly misusing it to remove content you have no claim to can create real legal exposure.
Why the notice lists the infringing URLs separately from the description of the original work
A valid notice has to let the recipient locate exactly what to review and exactly what it's being compared against - keeping the original work's description and the infringing URL list as clearly separate sections is what lets a platform's review team quickly verify the claim, rather than having to untangle the two from a single block of prose.