Base64 String Encoder

Securely encode and decode Base64 and plain text in your browser, supporting standard and URL-Safe formats with client-side processing and zero file uploads.

Pure Client-Side Local Memory Processing · Zero Data Upload

Usage Guide

  • 1. Paste raw text to encode or a Base64 string to decode into the input editor.
  • 2. The conversion happens instantly in memory without sending data to any backend server.
  • 3. Copy the output with one click or toggle URL-safe encoding mode.

Security & Privacy Guarantee

  • 1. client-side execution ensures sensitive tokens and secrets stay strictly in your browser.
  • 2. Full Unicode (UTF-8) support prevents character corruption for multi-lingual text and emoji.
  • 3. Zero file size or character limits on processing text.

Frequently Asked Questions

Q: What is URL-Safe Base64?
A: URL-Safe Base64 replaces '+' with '-' and '/' with '_', omitting padding '=' so the string can be safely placed in query parameters without URL encoding.
Q: Is it safe to decode private tokens here?
A: Traditional online tools send your text to backend servers. MoxiKit uses client-side JavaScript execution in your browser, working offline without uploading data.