Base64 Encoder & Decoder

Encode and decode Base64 strings safely with full UTF-8 and multi-byte character support.

Your tool input is processed locally in your browser and is not sent to our servers.

Plain Text Input

Base64 Encoded Result

SGVsbG8gZnJvbSB0b29scy5uYnN1bWl0LmNvbSEg8J+agA==

What this tool does

Encodes plain text to Base64 format and decodes Base64 strings back to text. Built with UTF-8 byte encoding to handle non-ASCII and Unicode characters safely without corruption.

How to use this tool

Switch between "Encode" and "Decode" tabs.
Enter your text or Base64 string in the input field.
The converted result updates instantly with quick copy and download actions.

Practical Examples

Encoding Text

Encode standard greetings.

Input: Hello, World!

Output: SGVsbG8sIFdvcmxkIQ==

Encoding Unicode

Encode text with emojis and accents.

Input: Café ☕

Output: Q2Fmw6kg4piV

Frequently Asked Questions

Related Tools

URL Encoder & Decoder

Encode and decode URLs and query strings, with interactive query parameter parsing.

JSON Formatter & Validator

Format, validate, beautify, and inspect JSON with clear syntax error diagnostics.

Hash Generator (SHA-256, SHA-512, SHA-1)

Compute cryptographic hashes (SHA-256, SHA-512, SHA-384, SHA-1) using Web Crypto.