Base64 Encode/Decode

Base64 Encoder and Decoder

Base64 encoding converts binary data into a text format that can be safely transmitted over systems that only support text, such as JSON, HTTP headers, or email.

Encode and decode Base64

Use this tool to encode plain text into Base64 or decode Base64 back into readable text. All processing happens locally in your browser without sending data to a server.

Typical use cases

• Working with JWT tokens
• Embedding data in JSON or HTML
• Handling API payloads

Related tools: Image to Base64, URL Encoder