ツール一覧に戻る
Base64 Encoder/Decoder
DataEncode and decode strings to and from Base64 format.
ttb run base64-tool
エンコードデコード
結果 will appear here as you type...このツールを共有:
Base64 Encoder/Decoder の使い方
Paste text into the input and click "Encode" to convert it to Base64, or paste Base64 text and click "Decode" to convert it back to plain text. The tool handles UTF-8 text, binary data, and supports both standard and URL-safe Base64 variants. Everything runs locally in your browser.
1
Enter your parameters
Configure the inputs for the Base64 Tool according to your specific needs.
2
View real-time results
The utility instantly processes your request and displays the calculated outputs directly in your browser.
3
Copy or Download
Click the copy icon next to the final output to instantly grab the result, or export it if applicable.
よくある質問
When is Base64 encoding used?+
Base64 is used to represent binary data as ASCII text. Common uses include embedding images in HTML/CSS, encoding email attachments (MIME), transmitting data in URLs, and storing binary data in JSON or databases that only support text.
Is Base64 encryption?+
No! Base64 is encoding, not encryption. It's completely reversible by anyone - it provides zero security. For protecting sensitive data, use proper encryption like AES instead.