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Base64 Encoder / Decoder
Encode or decode text and files in Base64 with URL-safe, padding and wrap options.
Input
0 chars → 0 chars
Output
base64 encoder decoderbase64urlencode file to base64decode base64 textpaddingwrap lines
Examples and real-life use cases
- Quickly encode small files to Base64 for embedding in JSON or HTML.
- Decode Base64 payloads when debugging APIs and JWT segments.
- Generate Base64URL strings for URL-safe transport without padding.
FAQ
- What is Base64URL?
- A URL-safe variant of Base64 using '-' and '_' instead of '+' and '/', and often without padding '='.
- Does the tool run locally?
- Yes, all encoding/decoding happens in your browser.