Decode Base64 strings to downloadable images
Paste Base64 data URIs or raw base64 strings to instantly preview and download the image file.
About This Tool
Base64 to Image Decoder transforms base64 data strings and Data URIs into rendered image previews with format detection and one-click file downloads.
Key Features
Automatic MIME type and extension detection
Live visual image preview
Custom filename output downloader
Instant client-side decoding
How to Use
- 1Paste your Base64 string or data:image/... Data URI into the editor.
- 2View the live image preview, format, and estimated file size.
- 3Enter an optional filename and click Download Image.
Why Use ToolSnippet Base64 to Image Decoder & Downloader?
Quickly inspect and save images embedded in JSON payloads, CSS, or HTML.
Auto-detects PNG, JPEG, WEBP, and SVG image formats.
100% private: image decoding is performed entirely on your device.
Tips for Best Results
- Verify the base64 string is complete to prevent image decoding artifacts
- Use this tool to extract logo assets and favicons embedded in inline CSS or HTML
Frequently Asked Questions
Does the tool accept raw base64 without data:image prefix?
Yes, it automatically detects and prefixes raw base64 strings if the data URI header is missing.
Can I download the decoded image directly?
Yes, clicking the Download button saves the image directly to your device with the correct file extension.
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