Base64 Text Encode / Decode
Encode plain text to Base64 or decode Base64 back to text — supports emoji, CJK, and all Unicode via proper UTF-8 handling. Includes URL-safe alphabet, MIME line-wrap, padding strip, and batch mode. Free, private, runs in your browser.
Options
0 bytes
Batch mode (one per line)
For images, use the Image ↔ Base64 tool.