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Encryption PlaygroundOnline Developer Tool

AES-GCM encrypt and decrypt in the browser with a raw key (hex or Base64) or a passphrase (PBKDF2-SHA256 + AES-GCM). Outputs a small JSON bundle you can copy and decrypt locally—educational and occasionally practical. Nothing is uploaded.

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About Encryption Playground

AES-GCM encrypt and decrypt in the browser with a raw key (hex or Base64) or a passphrase (PBKDF2-SHA256 + AES-GCM). Outputs a small JSON bundle you can copy and decrypt locally—educational and occasionally practical. Nothing is uploaded. Runs entirely in your browser — no installation, no account required to try it.

Key Features

  • aes gcm
  • encrypt decrypt online
  • web crypto
  • pbkdf2
  • passphrase encryption
  • aes-256-gcm
  • client side encryption
  • browser encryption
  • Runs in your browser — no install
  • Free to use, always

How to Use Encryption Playground

  1. 01

    Open the tool

    Click "Use Encryption Playground Free" above — no download or account required.

  2. 02

    Enter your data

    Paste or type your input directly in the browser. Processing happens locally on your device.

  3. 03

    Copy the result

    Get your output instantly. Copy it, download it, or keep working in the same tab.

Open Encryption Playground

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