Online Base64 encoder and decoder with full Unicode support (Chinese, Emoji, multi-byte characters). All processing runs locally in your browser. No data sent to servers.
TL;DR: Free online Base64 encoder and decoder with full Unicode-safe encoding support for Chinese and Emoji. All processing runs locally in your browser, no registration required.
This tool runs entirely in your browser. Open DevTools → Network panel and search your input — it appears in no request.
FAQ
Yes, completely free with no registration or login required. Use it directly in your browser — all encoding and decoding runs locally with no usage limits.
Yes. It uses Unicode-safe encoding, correctly handling Chinese characters, Emoji, and other multi-byte characters without garbled output or encoding errors.
No. All encoding and decoding happens locally in your browser. Your data is never sent to any server, ensuring complete privacy.
Base64 is encoding, not encryption — anyone can decode it. It safely represents binary data in text format. For security, use the AES encryption tool instead.
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