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Morse Code Translator
Translate the declared letter-and-digit Morse subset with complete token and position reports.
Pasted text, One UTF-8 text file
morse.txt, decoded-text.txt, morse-report.json
Browser only
Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Choose encode or decode and paste input, or select one UTF-8 file to replace the paste.
- Select Translate Morse. Encode admits ASCII letters/digits/spaces; decode requires known signal or slash tokens with exactly one separating ASCII space.
- Download the complete text and morse-report.json; inspect all symbol and source/output spans.
Examples
SOS encodes as ... --- ...; each source space becomes an explicit slash token.
Limitations
- At most 200000 UTF-16 units, 800000 UTF-8 bytes, 50000 logical records/tokens and 65536 units per record; 5 MiB combined output and 30 seconds.
- Only the frozen 36-symbol A–Z/0–9 table, ASCII spaces and record delimiters are supported. Punctuation, Unicode signals, prosigns, audio and timing are outside this tool.
- Decode emits uppercase letters. Explicit slash tokens preserve spaces; original letter case is not recovered.
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