Base64 to Image Decoder
Decode Base64 encoded strings back to images directly in your browser. Paste a Data URI or raw Base64 string and instantly preview and download the image. Auto-detects PNG, JPG, GIF, SVG formats from Base64 signatures.
1When to use this tool?
💡Debug API responses containing Base64 images
💡Extract images from JWT tokens or JSON payloads
💡Convert inline CSS/HTML images to files
💡Recover images from localStorage or database exports
💡Validate Base64 encoding before production use
2Features
- Decode Base64 string to downloadable image file
- Auto-detect PNG, JPG, GIF, SVG, WebP from Base64 header
- Support both Data URI and raw Base64 input
- Real-time preview with image dimensions
- One-click download in original format
- 100% client-side processing—no server upload
3How to Use
- Paste a Base64 string or Data URI (data:image/png;base64,...).
- The tool auto-detects the image format from Base64 signatures.
- Preview the decoded image with dimensions and file info.
- Download the image in its original format.
FAQ
Q. Is this Base64 to image converter free?
A. Yes! Unlimited conversions with no sign-up or limits. 100% free forever.
Q. Are my Base64 strings uploaded to a server?
A. Never. All decoding happens locally in your browser using JavaScript.
Q. What image formats are supported?
A. PNG, JPG, GIF, SVG, WebP, ICO. The tool auto-detects format from Base64 signature.
Q. Can I use raw Base64 without data: prefix?
A. Yes! The tool automatically detects image type from Base64 header and adds the correct prefix.