Base64
Encoder
/ Decoder
// encode text → base64 or decode base64 → text · real-time conversion
Encode →
← Decode
Plain Text
input
Base64
copy
Input:
0 chars
Output:
0 chars
Size change:
—
Common Base64 use cases
HTTP Basic Auth
username:password → Base64
Data URIs
data:image/png;base64,...
JWT payloads
header.payload.signature
API keys
often Base64-encoded secrets
Email (MIME)
attachments encoded in Base64
Config files
k8s secrets, .env values