Base64 Encode & Decode Instantly — No Signup, 100% Private

Encode or decode Base64 in one click — right in your browser. Handles UTF-8, Unicode, and emojis with zero data sent to any server. Paste, convert, copy. Used by 10k+ developers for API debugging, data URIs, and JWT payloads.

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Frequently Asked Questions

What is Base64?

Base64 is an encoding scheme that converts binary data to ASCII text, commonly used in emails and data transmission.

Does it support Unicode?

Yes, we use UTF-8 encoding so international characters and emojis are fully supported.

Can I encode files?

This tool is optimized for text. For files, consider using specialized file encoding tools.