What encryption algorithms does this tool use?

It uses Argon2id for password hashing and key derivation, and XChaCha20-Poly1305 for symmetric file encryption.

What is the purpose of the optional signature?

The Ed25519 signature allows the recipient to verify the identity of the sender and confirm the bundle has not been tampered with.

What are the differences between the strength levels?

The strength levels (interactive, moderate, sensitive) adjust the Argon2id memory and CPU limits, making password-cracking attempts progressively harder.

Can I decrypt a bundle without the original public key?

Yes, you can decrypt the file using only the passphrase, but you will not be able to verify the sender's signature without the public key.

Is the output bundle format compatible with standard age?

No, this tool uses the AGEX v1 format, which wraps the ciphertext and metadata into a self-describing JSON structure.

Age-like Encrypted File Bundle | Online Free Tool

Examples

1. Encrypting a sensitive audio recording

Journalist

Background

A journalist needs to store an interview recording securely on an external drive.

Problem

The audio file contains sensitive information and must be encrypted with a strong passphrase to prevent unauthorized access if the drive is lost.

How to use

Select the 'Encrypt' operation, upload the audio file, enter a strong passphrase, set the strength to 'moderate', and run the encryption.

{
  "operation": "encrypt",
  "passphrase": "correct horse battery staple",
  "strength": "moderate",
  "includeSignature": false
}

Outcome

An AGEX JSON bundle is generated containing the encrypted audio file and Argon2id metadata.

2. Decrypting and verifying a signed configuration bundle

DevOps Engineer

Background

An engineer receives an encrypted configuration bundle from a teammate and needs to apply it.

Problem

The engineer must decrypt the configuration file and verify that it was actually created by the teammate's private key.

How to use

{
  "operation": "decrypt",
  "passphrase": "correct horse battery staple",
  "signerPublicKey": "BASE64_PUBLIC_KEY"
}

Age-like Encrypted File Bundle | Online Free Tool | Elysia Tools

Age-like Encrypted File Bundle

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Overview

When to use

How it works

Use cases

Examples

1. Encrypting a sensitive audio recording

2. Decrypting and verifying a signed configuration bundle

FAQ

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