Morse Master is a simple, fast, and private tool that converts between text and Morse code. Whether you want to encode a message into dots and dashes or decode Morse code back to readable text, this app does it instantly — no internet connection required.
Two Conversion Modes:
✓ Text → Morse: Type or paste any text (letters, numbers, spaces) and see its Morse code representation immediately.
✓ Morse → Text: Enter Morse code using dots (.) and dashes (-) with spaces between letters and slashes (/) between words, and decode it back to plain text.
Special Feature:
🆘 Call Help / SOS — Quickly generate the international distress signal "··· --- ···" (SOS) with one tap. Perfect for learning or emergency practice.
Supported Characters:
• All letters A–Z
• All numbers 0–9
• Space between words
• Basic punctuation
Perfect For:
- Ham radio operators and amateur radio enthusiasts
- Students learning Morse code
- Scouts and survival training
- Secret messages between friends
- Anyone curious about communication history
Key Features:
✓ Zero Permissions Required — The app does not request access to storage, camera, location, contacts, or any other system features. Install and use immediately.
✓ Works Completely Offline — No internet connection required. Use it anywhere — in remote areas, on a plane, or during power outages.
✓ No Data Collection — The app does not collect, store, or share any personal information. Your messages stay on your device and are never saved or transmitted.
✓ Clean, Dark Green Interface — Easy on the eyes with a sleek, modern design inspired by classic telegraph equipment.
✓ Instant Conversion — See results as soon as you enter text or Morse code. No waiting, no extra steps.
✓ Lightweight — Small app size that installs quickly and runs smoothly on all devices.
✓ 100% Free — No in‑app purchases, no subscriptions, no hidden costs.
✓ No Ads — Enjoy an uninterrupted, ad‑free experience.
Use Cases:
- Convert "HELLO" to ".... . .-.. .-.. ---"
- Decode "··· --- ···" to "SOS"
- Learn Morse code by typing text and seeing the pattern
- Send secret coded messages to friends
- Practice emergency signals
Morse Code Quick Reference:
- A: .- N: -. 1: .----
- B: -... O: --- 2: ..---
- C: -.-. P: .--. 3: ...--
- D: -.. Q: --.- 4: ....-
- E: . R: .-. 5: .....
- F: ..-. S: ... 6: -....
- G: --. T: - 7: --...
- H: .... U: ..- 8: ---..
- I: .. V: ...- 9: ----.
- J: .--- W: .-- 0: -----
- K: -.- X: -..-
- L: .-.. Y: -.--
- M: -- Z: --..
Privacy Promise:
- No personal data collected
- No permissions required
- Works entirely offline
- No ads, no trackers, no analytics
- No account or login needed
Your messages are private. The app does not store conversion history, so your texts and Morse code remain confidential. When you close the app, nothing remains on your device.
This app is a basic utility tool for text and Morse code conversion. It does not collect any data, connect to any external services, or require any special permissions.
Designed to be simple, private, and reliable — for everyone who wants to master Morse code.