Base64 to Image Decoder
Decode Base64 strings to preview and download images
Image preview will appear here
How to Use Base64 to Image Decoder
Decode Base64 encoded strings back to images. Paste a Base64 string or data URI and instantly preview the image with download option.
- 1
Paste Base64 string
Enter a raw Base64 string or a full data URI (data:image/png;base64,...) in the input area.
- 2
Preview the image
The decoded image appears in the preview panel with dimensions shown.
- 3
Download or copy
Download the image as a file or copy the data URI for embedding in HTML/CSS.
Frequently Asked Questions
What image formats are supported?
PNG, JPG/JPEG, GIF, SVG, and WebP. The format is auto-detected from the Base64 header bytes.
Do I need the data: prefix?
No, you can paste either a raw Base64 string or a complete data URI. The tool handles both.
Can I convert images to Base64?
Yes, check out our Image to Base64 Converter tool for the reverse operation.
Is this tool free?
Yes, completely free. All decoding happens in your browser — no data is uploaded.