Convert Base64 to Image Online — Instant Decoder & Previewer

Decode Base64 strings to PNG, JPG, or SVG images. View, verify, and download your decoded image files instantly in your browser.

✓ Converts Base64 data URIs or raw Base64 strings into downloadable image files

✓ Automatically detects image MIME types (PNG, JPEG, WebP, SVG, GIF)

✓ Live image preview canvas with dimensions and file size metrics

✓ Secure client-side decoding with zero data sent over the network

How It Works

  1. Paste your Base64 encoded string (with or without data:image/... prefix).
  2. The decoder reads the binary byte stream and reconstructs the image buffer.
  3. View the decoded graphic immediately in the live preview window.
  4. Click Download to save the image to your computer.