🛠 Tool
🔡 Base64 Encoder / Decoder
Encode text or files to Base64. Decode Base64 strings back to readable text. 100% private — runs in your browser.
Options:
📖
What is Base64?
Base64 encodes binary data as ASCII text. Commonly used to embed images in HTML/CSS, send binary data in JSON, and store files as text.
🔒
100% Private
All encoding and decoding happens locally in your browser. No data is ever sent to any server.
🔗
URL-safe Variant
URL-safe Base64 replaces
+ with - and / with _ for safe use in URLs and filenames.