Base64 Encode & Decode
Convert text to Base64 and back, or encode images as Base64 data URIs.
Text
Plain Text
0 chars
Base64
Image to Base64
Drag & drop an image, or
PNG, JPG, SVG, WebP, GIF
Data URI
HTML <img> tag
CSS background
About This Tool
Base64 encoding converts binary data into ASCII text, making it safe for embedding in HTML, CSS, JSON, URLs, and email. This tool handles both text and images.
- Text encode/decode — full Unicode support via UTF-8 encoding
- Image to Base64 — get a data URI, HTML img tag, or CSS background snippet
- Real-time conversion — results update as you type
- 100% private — everything runs in your browser, no data is uploaded