🔤

Base64 Encoder Decoder Online – Free Text Converter

Use our free online Base64 encoder and decoder to convert between plain text and Base64-encoded strings. Base64 encoding is widely used for embedding images in HTML/CSS, transmitting binary data over text-based protocols, and storing data in JSON. Our tool processes everything locally in your browser — no data leaves your device.

How to use this tool

Simply paste or enter your input above, configure any options, and get instant results — all processed locally in your browser. Your data never leaves your device.