🔑 Developer Tool
Base64 Encoder / Decoder
Encode & decode text, URLs and images to/from Base64. URL-safe encoding, file support — all browser-based.
Input: 0 chars
Output: 0 chars
Ratio: —
Valid Base64: —
What is Base64?
→Base64 encodes binary data into ASCII text using 64 characters (A-Z, a-z, 0-9, +, /)
→Commonly used in email attachments, data URLs, JWTs and API payloads
→Encoded output is ~33% larger than the original input