Base64 Encoder / Decoder

Encode text or files to Base64, or decode Base64 strings back to readable text.

URL-safe (replace +/ with -_) Line breaks every 76 chars

Input Text

0 characters

Base64 Output

0 characters

Base64 Input

0 characters

Invalid Base64 input. Please check your string and try again.

Decoded Output

0 characters

📁

Click to select a file, or drag and drop here

Any file type supported

Base64 Data URL Output

Image Preview

How to use

Encode: Type or paste text into the input box — Base64 output is generated instantly
Check "URL-safe" to replace + and / with - and _ (safe for use in URLs and filenames)
Check "Line breaks" to wrap output at 76 characters per line (MIME standard)
Decode: Paste a Base64 string — the decoded text appears instantly. URL-safe variants are auto-detected
File Encode: Select or drag any file to get its Base64 data URL. Images will show a preview
Use Copy Output to copy results to your clipboard