Base64エンコーダー/デコーダー
テキストをBase64にエンコード、またはBase64文字列をデコード。
テキスト入力
Base64出力
tools.relatedTools
tools.viewMoreURL Encoder/Decoder
Encode and decode URL strings instantly. Learn about URL encoding, percent encoding, and RFC 3986 standards.
JWT Decoder
Decode and inspect JSON Web Tokens instantly. View header, payload, and claims. Perfect for debugging authentication tokens.
HTML Entity Encoder/Decoder
Encode text to HTML entities or decode HTML entities to text. Perfect for preventing XSS attacks and displaying special characters.
Image to Base64
Convert images to Base64 data URIs instantly. Supports JPG, PNG, GIF, WebP and more. Perfect for embedding images in HTML, CSS, or APIs.