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NATO Phonetic Alphabet Converter

Convert any text to NATO/ICAO phonetic alphabet — Alpha Bravo Charlie Delta. Used by aviation, military, ham radio, emergency services to spell names over noisy radio links. Numbers use radio-modified forms ("Tree" for 3, "Niner" for 9).

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NATO phonetic
Hotel Echo Lima Lima Oscar (space) Whiskey Oscar Romeo Lima Delta
Full NATO alphabet reference
AAlpha
BBravo
CCharlie
DDelta
EEcho
FFoxtrot
GGolf
HHotel
IIndia
JJuliet
KKilo
LLima
MMike
NNovember
OOscar
PPapa
QQuebec
RRomeo
SSierra
TTango
UUniform
VVictor
WWhiskey
XX-ray
YYankee
ZZulu
0Zero
1One
2Two
3Tree
4Four
5Five
6Six
7Seven
8Eight
9Niner
ICAO / NATO phonetic alphabet (also called International Radiotelephony Spelling Alphabet). Used by aviation, military, ham radio, emergency services to spell out names / codes over noisy radio links. Note "Tree" (3) and "Niner" (9) — modified for radio clarity.
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Inside the tool

What powers the NATO Phonetic Alphabet

Full ICAO/NATO alphabet (A-Z)

Radio-modified numbers (Tree, Fower, Fife, Niner)

Punctuation handled (space, period, comma, dash)

Live conversion

Full alphabet reference card

Built differently

Why the NATO Phonetic Alphabet is different

Browser-native

The NATO Phonetic Alphabet runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.

No artificial limits

No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.

Production-grade quality

Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.

Use Contexts

Common use contexts

  • Aviation radio comms training
  • Military / law enforcement
  • Ham radio operators
  • Customer service over phone — spelling order numbers / addresses
Privacy by design

Private and secure

Zero upload

All processing happens in your browser. Input is never transmitted, logged or cached.

Works offline

Once the page loads, the tool runs without an internet connection. No network calls happen during use.

No tracking

No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.

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FAQ

NATO Phonetic Alphabet questions

In radio, "thr" sound is hard to distinguish from "fr". "Tree" is unmistakable. Same logic: "Fower" (4) and "Niner" (9) avoid confusion with "for" and "five" over static.