Free Online Base64 Encoder & Decoder – Encode and Decode URL, HTML, Hex & Binary Text

Base64 Encoder & Decoder

Encode and decode Base64, URL, HTML, Hex, Binary and Unicode text • Convert images to Base64 • 100% free • No upload to server

Conversion

Format Base64 Base64 URL-safe URL component (encodeURIComponent) Full URL (encodeURI) HTML entities Hexadecimal (UTF-8 bytes) Binary (UTF-8 bytes) Unicode escapes (\uXXXX) Direction Encode (text → encoded) Decode (encoded → text)

Options

Process each line separately Base64: wrap output at 76 characters URL: use + for spaces (form style) HTML: also encode non-ASCII characters Hex: uppercase letters

Input 0 characters

Result 0 characters

File & Image to Base64

Turn any image or file (up to 10 MB) into a Base64 string, data URI, HTML image tag or CSS background.

Click to choose a file, or drag and drop it here

File output format

Data URI (data:...;base64,...) Raw Base64 only HTML image tag CSS background-image

File result 0 characters

All processing happens in your browser. Your text and files never leave your device.