Base64 Image Converter
Convert images to Base64 Data URIs, HTML & CSS snippets, and decode Base64 strings back to downloadable images.
Drag and drop any image (PNG, JPG, SVG, WebP, GIF) to generate Base64 Data URIs, HTML <img>, and CSS background snippets, or paste Base64 strings to render and download original image files.
Upload Image
Click or Drag & Drop image here
Supports PNG, JPG, SVG, WebP, GIF, ICO, AVIF
Share This Tool
Help your team and fellow developers save time with free, private client-side utilities.
Systems & Security Engineers • Applied Cryptography & High-Performance Web Tools
How to Use Base64 Image Converter
Choose Mode (Encode or Decode)
Select 'Image to Base64' to encode an image file, or 'Base64 to Image' to decode a string.
Upload File or Paste Base64
In encode mode, drag and drop any image file (PNG, JPG, SVG, WebP, GIF, ICO, AVIF). In decode mode, paste your Base64 string or Data URI.
Inspect Code Snippets & Size
Copy Data URI, raw Base64, HTML <img>, CSS background-image, React JSX, or Markdown syntax with one click.
Download Decoded Image
In decode mode, preview the rendered image and download it directly in its original file format.
Practical Examples & Conversions
logo.png (1.2 KB)
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUg..." alt="logo.png" />
Frequently Asked Questions (PAA)
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Authoritative Standards & Citations
Calculations and algorithms on this page are implemented and verified in strict accordance with the following official technical specifications:
RFC 7519: JSON Web Token (JWT)
Standardized compact, URL-safe means of representing claims to be transferred between two parties.
Web Cryptography API Specification
Standard JavaScript API for performing basic cryptographic operations in web applications.
RFC 4122: A Universally Unique IDentifier (UUID) URN Namespace
Definition of uniform format and generation algorithms for UUIDs.