🔐 Base64 Encoder / Decoder
Free online Base64 encoder and decoder. Encode/decode text and files, URL-safe Base64, and batch processing. Works entirely in your browser — offline capable.
Try Base64 Tool →✨ Key Features
- Encode text and files to Base64 instantly
- Decode Base64 strings back to original content
- URL-safe Base64 encoding (RFC 4648)
- File upload support — encode images, PDFs, and binaries
- Batch processing for multiple strings
- Character set options: UTF-8, ASCII, Latin-1
- 100% client-side — works offline after first load
- Copy output with one click