Base64 Encoder / Decoder
Encode UTF-8 text to Base64 or decode Base64 and Base64url to text.
W przeglądarce · Bez rejestracji
Standard Base64 output; decoding accepts URL-safe symbols and omitted padding. Invalid Base64 or non-UTF-8 binary data is rejected. This is not encryption.
Up to 100,000 UTF-16 units per input · 0 / 100,000
Jak używać
- Paste your text or load the example.
- Choose the mode or options, then run the tool.
- Review the result, then copy or download the TXT file.
Przykład
Hello 世界 → SGVsbG8g5LiW55WM
Szczegóły i ograniczenia
Encode UTF-8 text to Base64 or decode Base64 and Base64url to text.
Standard Base64 output; decoding accepts URL-safe symbols and omitted padding. Invalid Base64 or non-UTF-8 binary data is rejected. This is not encryption.
Text stays in your browser; it is not sent to a conversion server.
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Źródła
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