About Morse Code Audio Generator
This Morse code audio generator plays your message as a 600 hertz tone with standard Morse timing. You choose the speed, and you can download the sound as a WAV file. It is free, needs no sign-up and runs in your browser, so nothing you enter is uploaded.
Type your message, and when the Morse code appears, press Play audio. The Speed slider runs from 5 to 40 words per minute and starts at 15. A dot lasts 1200 divided by the speed in milliseconds, so 20 words per minute gives 60 ms dots, and a dash is three times as long. Gaps are one dot between signals, three between letters and seven between words. SOS at 20 words per minute takes 1.62 seconds, and at 15 it takes 2.16.
Tick Flash light to add a circle on the page that lights up with each dot and dash. It is an on-screen light, not your phone torch, but it works well for learning to read the rhythm, for a classroom demonstration or for a puzzle. For signalling with a real lamp, use the on-screen pattern as a guide.
Download WAV saves the same sound as a mono, 16-bit, 8 kHz audio file with short fades at the start and end of each beep to avoid clicks. You can use it as a ringtone source, in a video, or as a puzzle clue. The file is built in your browser, and nothing is uploaded.
A player needs Morse code to play, so it shows once the box holds valid dots and dashes, whether you typed text or pasted code.
How to use Morse Code Audio Generator
- Choose Text to Morse to translate text, or Morse to Text to decode Morse code.
- Type or paste your input. For text, normal words are fine. For Morse code, separate letters with a space and words with a slash.
- To use a prosign, type it in angle brackets in the text, such as <SOS>, <AR> or <SK>.
- Read the result in the output box and use Copy to take it.
- To hear it, set the Speed slider (5 to 40 WPM) and press Play audio. Tick Flash light to see the signal as well.
- Press Download WAV to save the audio, or Show Morse code chart to look up a character.
Features
- Translates text to Morse code and Morse code to text in the same tool.
- Letters, digits and 18 punctuation marks and symbols, in International Morse code.
- Prosigns written as <SOS>, <AR>, <SK>, <BT>, <KN>, <AS>, <CT> and <HH>.
- Audio playback of a 600 hertz tone with a speed slider from 5 to 40 words per minute.
- Standard timing: a dash is three dots, letters are three units apart and words seven.
- Flashing light that blinks on the page in time with the sound.
- WAV download of the audio, as 16-bit mono at 8 kHz.
- Forgiving decoder: it accepts dots written as . or a middle dot and dashes written as - or a long dash, and words split by /, | or three spaces.
- Automatic hint when you paste Morse code into the text direction.
- A chart of the full alphabet, numbers, punctuation and prosigns.
Worked examples
SOS at 15 words per minute gives 2.16 seconds, 80 ms dots
Computed from 1200 divided by 15.
SOS at 20 words per minute gives 1.62 seconds, 60 ms dots
SOS at 5 words per minute gives 6.48 seconds, 240 ms dots
The slowest setting.
SOS at 40 words per minute gives 0.81 seconds, 30 ms dots
The fastest setting.
Privacy: how it works
- The text, the Morse code and the audio are all produced by code in your browser tab. Nothing is sent to Ulkaa or to any other server, which you can confirm in the Network tab of your browser developer tools.
- The WAV file is made on your device and saved straight to your downloads.
Tips
- To practise reading, translate a short phrase, press Play audio at 15 WPM with the box hidden, and try to write what you heard before looking.
- Use Flash light and a dark room to try signalling with a lamp, a torch or a mirror. The on-screen light blinks at the same rhythm as the sound.
- If decoding gives odd results, check the spacing. One space between letters and a slash with spaces around it between words works best.
- Pasting Morse from a web page often brings in long dashes or middle dots. The decoder accepts them, so you do not have to clean them first.
Frequently asked questions
Is it really free?
Yes. There is no price, no trial and no credit card. Ulkaa Tool does the work with your own device, so there is no server bill to pass on to you.
Do I need an account?
No. There is no sign-up and no login. Open the page and use it. An Ulkaa account is not needed for anything on this tool.
Does it run in my browser?
Yes. Your text are processed by code running in your browser tab, on your own device.
Is my data uploaded?
No. Your text are never sent to Ulkaa or to anyone else. You can check this yourself by watching the Network tab in your browser developer tools while you use the tool.
How do I make a Morse code audio file?
Type your message, wait for the Morse code to appear, choose a speed, and press Download WAV. The file is created on your device.
What pitch is the tone?
600 hertz, a typical Morse practice tone. The pitch is fixed.
What speed should I use to learn?
Many learners start between 10 and 15 words per minute. Slower than 10 makes it hard to hear letters as whole shapes. The slider goes from 5 to 40.
Why is there no Play button?
The player shows once there is valid Morse code in the box. Type text, or switch to Morse to Text and paste dots and dashes.
More Morse Code Translator pages
- Morse Code TranslatorTranslate text into Morse code and back, play it as sound or a flashing light, and look up any letter in the chart.
- Text to Morse Code TranslatorType a message and see it as dots and dashes straight away.
- Morse Code to Text TranslatorPaste dots and dashes and read the message.
- English to Morse Code TranslatorTurn English words, numbers and punctuation into Morse code.
- Morse Code to English TranslatorDecode Morse code into English words.
- Morse Code DecoderPaste Morse code in almost any format and decode it.
- Morse Code Alphabet ChartEvery letter, number, punctuation mark and prosign in Morse code.