Base64 Encoder/Decoder
Encode or decode Base64 locally. Text never leaves your browser.
Input
Result
All encoding/decoding happens locally. No uploads, no tracking.
Standard Base64
Uses standard Base64 alphabet with padding. Works for most text payloads.
Browser-only
Encoding/decoding runs in your browser using built-in APIs. No external requests.
Copy quickly
Use the copy buttons to move encoded or decoded text to your clipboard instantly.