Use a long, random passphrase (20+ characters) — the encryption is only as strong as your key?

Use a long, random passphrase (20+ characters) — the encryption is only as strong as your key.

Store your encryption key separately from the encrypted data — losing the key means losing the data forever?

Store your encryption key separately from the encrypted data — losing the key means losing the data forever.

AES-256-GCM provides both confidentiality and integrity — any tampering will cause decryption to fail.

Encrypt and decrypt text with AES-256

Encrypt and decrypt text or files using AES-256-GCM, entirely in your browser — nothing is sent to any server.

1Choose the mode: Encrypt or Decrypt.
2For text: paste your plaintext (or ciphertext) and enter a strong encryption key.
3Click 'Process' to encrypt or decrypt. The result appears instantly.
4For files: switch to the file tab, select a file, enter your key, and encrypt or decrypt it.
5Copy the result or download the encrypted/decrypted file.

Use a long, random passphrase (20+ characters) — the encryption is only as strong as your key.
Store your encryption key separately from the encrypted data — losing the key means losing the data forever.
AES-256-GCM provides both confidentiality and integrity — any tampering will cause decryption to fail.

OneKitTools TeamUpdated 2.21.4