Base64 Encoder / Decoder

Encode text or images to Base64 and decode Base64 strings back — instantly, entirely in your browser.

Plain text input

URL-safe mode

↓

Base64 output

Input: 0 chars Output: 0 chars Ratio: —

Drop or select an image

🖼️

Drop an image here or click to browse

PNG, JPEG, GIF, WebP, SVG — processed entirely in your browser

↓

Base64 output

Include data: URI prefix URL-safe

Base64 length: — Size overhead: ~33%

What is Base64?

📦

Binary → Text

Converts binary data into printable ASCII characters for safe text transmission

🔗

URL-safe variant

Replaces +→- and /→_ so Base64 is safe in URLs and filenames

🖼️

Inline images

Embed images directly in HTML/CSS as data: URIs — no separate HTTP request