Base64 文字列を貼り付けて元のデータに戻します。
Input
Paste text (up to 1,048,576 characters) or choose a UTF-8 text file (up to 100 MB).
0 characters · Input is editable; whitespace is preserved.
Standard Base64 only. Line breaks and whitespace are accepted. Remove any data: URI prefix first.
Output
Your result will appear here after conversion.
Your text and files stay in your browser. No account required.
確認するポイント
まず特殊文字を含む短い既知の値で結果を確認します。