Text File to Morse Code Converter
Upload any .txt file and convert its entire content to International Morse Code instantly. Download or copy the output. All processing happens in your browser.
# in the output.
What Is a Text File to Morse Converter?
A text file to Morse code converter reads the contents of a plain text file and translates every letter, number, and punctuation mark into its corresponding International Morse Code pattern. Instead of typing or pasting content manually, you upload a file and receive the full Morse output in seconds — regardless of file length.
This tool follows the ITU-R M.1677-1 standard for International Morse Code, the same specification used by licensed radio operators worldwide. Each letter maps to a unique sequence of dots and dashes, with a single space separating letters and a forward slash separating words.
Every character in your file is processed locally in your browser using JavaScript. No part of your file content is transmitted to any server at any point. This makes the tool suitable for converting sensitive messages, private communications, or confidential training materials.
How to Use This Tool
Upload Your File
Drag and drop a .txt file onto the upload area, or click to browse and select your file.
Preview Content
The file content appears in the preview box so you can confirm the correct file was loaded.
Convert
Click "Convert to Morse" to process the file. The Morse code output appears instantly below.
Copy or Download
Copy the Morse output to your clipboard or download it as a .txt file for later use.
Use Cases & Applications
Ham Radio Practice
Convert written messages or contest logs to Morse code for transmission practice or training exercises.
Emergency Preparedness
Pre-convert critical messages (coordinates, distress information) to Morse for emergency signaling scenarios.
Educational Use
Teachers can convert word lists, sentences, or exam questions to Morse code for student decoding exercises.
Historical Research
Convert transcribed historical documents or telegraph records to Morse for analysis and study.
Batch Conversion
Convert entire documents at once instead of typing manually — ideal for longer messages or reference files.
Personal Messages
Convert letters, notes, or personal messages to Morse for jewelry encoding, art projects, or hidden messages.
Features & Capabilities
What This Tool Supports
- All 26 English letters (A–Z), uppercase and lowercase
- Numbers 0–9
- Common punctuation: period, comma, question mark, exclamation, slash, colon, apostrophe, hyphen, at sign, and more
- Space between words (rendered as /)
- Files up to 5MB in size
- Download output as a named .txt file
- One-click copy to clipboard
Privacy & Technical Details
- File is read using the browser FileReader API — no server involved
- No file content is transmitted over the internet
- No analytics capture your file content
- Conversion uses ITU International Morse Code standard
- Unsupported characters output as # with the surrounding code intact
- Works on desktop and mobile browsers