Absolutely. All encoding and decoding happens locally in your browser. Your text is never sent to any server.

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⚡ 100% Free · No Signup

Base64 Encoder & Decoder

Encode text to Base64 or decode Base64 back to text instantly. Supports Unicode, UTF-8, and URL-safe mode — all running locally in your browser.

URL-Safe Mode Auto-Convert

Input Text 0 chars

Base64 Output 0 chars

Select Encode or Decode mode using the toggle at the top.
Paste or type your text (for encoding) or Base64 string (for decoding).
Enable URL-Safe Mode if you need Base64 that's safe for URLs (+ → - and / → _).
Click the Encode/Decode button (or enable Auto-Convert for live updates).
Copy or download the result using the buttons below the output box.

Is this Base64 Encoder free to use?

Yes, the Base64 Encoder & Decoder on Ultimate Tools Baazar is 100% free with no signup required. All processing runs entirely in your browser.

Does it support Unicode and emoji?

Yes, it uses UTF-8 encoding so it correctly handles Unicode, emoji, Hindi, Chinese, Arabic, and all other languages.

What is URL-Safe Base64 mode?

URL-Safe Base64 replaces '+' with '-' and '/' with '_' so the encoded string can be safely used in URLs and filenames without escaping.

Is my data safe?

Absolutely. All encoding and decoding happens locally in your browser. We never send your text or Base64 string to any server.