Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to plain text. Supports UTF-8 and URL-safe variants.
About the Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to plain text. Supports UTF-8 and URL-safe variants.
Base64 Encoder converts plain text into Base64-encoded strings instantly in your browser. Base64 encoding is used in data URLs, email attachments, JWTs, and APIs that need to safely transmit binary data as text.
- Type
- Tool
- Method
- RFC 4648 Base64 encode/decode, handles UTF-8 correctly
- Runs in
- Your browser — no account, no install
- Price
- Free
- Privacy
- Inputs stay on your device unless the tool says otherwise
Frequently asked questions
Base64 encoding is a method that converts binary data into a text string using 64 ASCII characters. It's commonly used to encode data for transmission over media that are designed to deal with textual data.
Simply enter your text into the input field and click 'Encode'. The tool will convert your text into a Base64 string, which you can then copy and use as needed.
You can decode any Base64 encoded string back into its original format. Just paste the encoded string into the input field and click 'Decode' to retrieve the original text.
While there is no strict limit, extremely long strings may take longer to process. For best results, keep your input under a few thousand characters.
Developers, data analysts, and anyone needing to encode or decode data for web applications benefit from this tool. It simplifies data handling for various programming and data analysis tasks.
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