Choose
Open a protocol and select the message type you want to compose.
← Packet parserCOMPOSE / NTP
Packet composition desk
NTP packet generator↗
Build NTP network packets from structured fields, then export the generated packet as hexadecimal, Base64, or a binary file for protocol testing and analysis.
HEXBASE64BIN
ACTIVE PROFILE
NTP
Open parser ↗Loading profile…
Field sequence
Arrange typed fields in output order.
GENERATED DATANO DATA
Generated byte ranges will appear here.
00000 LINES
Compose
Fill the profile fields, or arrange your own typed field sequence.
Export
Copy Hex or Base64, download a binary file, or verify it in the parser.
Build NTP packets from structured fields
Use this NTP packet generator to compose time-sync requests and timestamp fields from structured values. The generated bytes can be copied as Hex or Base64, downloaded as BIN, and sent to the NTP parser for verification.
01Choose a NTP message profile when a template is available, or switch to Field sequence to arrange typed values manually.
02Numeric fields support explicit byte order where applicable; text, Hex, and Base64 fields preserve the exact bytes you enter.
03Generated output is intended for protocol tests, parser fixtures, interoperability checks, and controlled packet analysis.
Frequently asked questions
What can I generate for NTP?
You can compose time-sync requests and timestamp fields with the available NTP profile fields, then export the resulting application-layer bytes as Hex, Base64, or a binary file.
Can I verify the generated NTP packet?
Yes. Use Verify in parser to open the matching NTP parser with the generated bytes preloaded.