Base64 Encoder / Decoder

Quickly encode or decode text using Base64 format. Useful for web security, API testing, and obfuscation analysis.

Input Text0 chars
Output Results

URL Safe

Standard Base64 results. For URL-safe encoding, swap + and / chars.

UTF-8 Support

Native browser atob/btoa support. Best for standard ASCII/Latin-1 strings.

Local Security

Your data is processed in-browser. No text is sent to external servers.