Base64 Encoder / Decoder
Encode UTF-8 text to Base64 or decode Base64 and Base64url to text.
Mode
Input
10 chars1 lines11 / 100,000
Result
24 chars1 lines
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
Related tools
Format references
Tool page updated: