
Celesure - Secure Text
Encrypt messages, share safely
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Free
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About
A little more privacy for the things you share.
Celesure Secure Text turns your messages into encrypted text using three to six secret words. Copy or share the protected text through Messages, WhatsApp, email or another app. The recipient uses the same words in the same order to read it.
SIMPLE TO USE
Write your message, enter your secret words and tap Encrypt. To read a protected message, paste it into the app, enter the matching words and tap Decrypt.
PRIVATE BY DESIGN
Encryption and decryption happen on your device. Your message and secret words are not sent to Celesure. There is no account to create and no message history stored by the app. The app works without an internet connection.
SHARE YOUR WAY
Send encrypted text through the apps you already use. Copy and Paste buttons make it easy to move messages between apps.
THOUGHTFUL DETAILS
Enjoy light and dark appearances, optional extra secret words, a control to show or hide your words, and a guide covering encryption, privacy and example uses.
KEEP YOUR WORDS SAFE
Choose unpredictable secret words and share them separately from the encrypted message. Anyone with both the message and the words can decrypt it. Lost words cannot be recovered.
Clear all removes the message and words from the app screen. It does not erase your clipboard or copies shared elsewhere.
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What's New in Celesure
1.0
September 21, 2026




