🔤 NATO Phonetic Alphabet Converter
Turn “ABC” into “Alfa Bravo Charlie”, the NATO spelling alphabet for reading letters aloud without confusion, and back again.
Uses the ICAO/NATO spelling alphabet; word breaks are shown as “|”.
Transformed in your browser, nothing you type is uploaded.
How the nato phonetic alphabet converter works
The NATO phonetic alphabet (formally the ICAO/NATO spelling alphabet) assigns an unambiguous code word to each letter, Alfa, Bravo, Charlie, so that letters that sound alike over a noisy phone or radio (B/P/T/V, M/N) can't be confused. This tool maps text to those code words and decodes them back, with word breaks shown as “|”. Digits map to their spoken forms (Zero, One, Two…).
Two spellings are deliberate, not typos: it is “Alfa” and “Juliett” (not Alpha/Juliet) in the official alphabet, spelled that way so speakers of any language pronounce them correctly. It's used well beyond the military, call centres, aviation, IT support and anyone reading a reference number or postcode aloud.
Frequently asked questions
What is the NATO phonetic alphabet?
A set of code words, Alfa, Bravo, Charlie through Zulu, used to spell out letters clearly in voice communication. Officially the ICAO/NATO spelling alphabet, it prevents mishearing letters that sound similar over phone or radio.
Why is it spelled “Alfa” and “Juliett”?
Deliberately. “Alfa” avoids non-English speakers reading “ph” as an f-sound incorrectly, and “Juliett” has a double-t so French speakers don't leave the final t silent. They are the official spellings.
When should I use it?
Any time you read letters aloud where a mistake matters, a booking reference, postcode, email or serial number over the phone, radio calls, or IT support. Saying "S as in Sierra" removes the guesswork.
Does it cover numbers?
Yes. This converter spells digits as Zero, One, Two and so on, which is the spoken convention that accompanies the letter alphabet.
Is anything uploaded?
No, the conversion runs locally in your browser.