Base64 Encoder & Decoder
Encode or decode Base64 strings instantly in your browser, perfect for images, files, or API payloads. No installs, no uploads, always free.
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Why use our Base64 Tool?
100% Client-Side
Your data never leaves your computer. We process everything in your browser's memory, making it the safest way to handle sensitive strings.
UTF-8 Support
Unlike standard Base64 tools that break on emojis or international characters, our tool uses a UTF-8 bridge for perfect encoding every time.
Frequently Asked Questions
What is Base64 encoding used for?
Base64 represents binary data as text and is widely used in APIs, payloads, and transport layers that expect character-safe content.
Is this Base64 tool private?
Yes. Encoding and decoding are performed in your browser session without sending text to a processing backend.
Is this tool free online?
Yes. This is a free online tool and you can use it without registration.
Is this tool free to use?
Yes. This is a free online tool and you can use it anytime without registration.
Is my data private?
Your input is processed with privacy in mind, and sensitive content is not shared with third parties.
Does it work on mobile?
Yes. The tool is responsive and works on modern phones, tablets, and desktop browsers.