Converters

Base64 Encoder

Convert text strings to Base64 encoding online. Useful for APIs, data URIs, and embedding binary data in JSON or XML.

Plain Text

Base64 Output

Input: Hello World

Output: SGVsbG8gV29ybGQ=

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Decode Base64 back to plain text

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Frequently asked questions

Is this tool free?+

Yes. Every Utilio utility is free with no sign-up, usage limits, or paywalls.

Do you store my data?+

No. Processing happens entirely in your browser. Your input never leaves your device.

Can I use this tool offline?+

Yes. Once the page loads, most tools continue working without an internet connection.