Question 1

How do I encode text to Base64 online?

Accepted Answer

Go to base64.toolzydev.com, select the Base64 tab, paste your text into the Input panel, and click Encode. The Base64 result appears instantly in the Output panel. UTF-8 and Korean characters are fully supported.

Question 2

How do I decode a Base64 string?

Accepted Answer

Paste the Base64 string into the Input panel on base64.toolzydev.com and click Decode. The original text is displayed in the Output panel. You can also use Ctrl+Shift+Enter as a keyboard shortcut.

Question 3

How do I convert an image to Base64?

Accepted Answer

Select the 'Image → Base64' tab on base64.toolzydev.com. Drag and drop your image or click Upload. The full Base64 data URL (data:image/...;base64,...) is generated instantly and can be copied or downloaded.

Question 4

Is this Base64 tool free?

Accepted Answer

Yes, Base64 Encoder at base64.toolzydev.com is completely free. No login or installation required. All encoding and decoding happens locally in your browser — your data is never sent to a server.

Question 5

Does Base64 Encoder support Korean and Unicode characters?

Accepted Answer

Yes. The tool uses UTF-8 encoding (via encodeURIComponent/btoa) so Korean, Japanese, Chinese, emoji, and all Unicode characters are fully supported for both encoding and decoding.