Base64 to Image Converter Online
Convert Base64-encoded strings back to viewable images instantly in your browser. This free tool decodes Base64 data entirely client-side — your data never leaves your device.
Image to Base64 Converter
Convert images to Base64 data URIs or decode Base64 strings back to images. All processing happens in your browser.
Drop an image here or click to browse
PNG, JPG, GIF, SVG, WebP, ICO, BMP — max 10 MB
About Image to Base64 Conversion
Base64 encoding converts binary image data into an ASCII text string. This is useful for embedding images directly in HTML, CSS, or JSON without separate file requests.
Data URI format: data:image/png;base64,iVBORw0KGgo... — ready to use in <img src="..." /> tags or CSS url(...).
Size overhead: Base64 increases data size by approximately 33%. For small images (icons, logos under ~5 KB), the trade-off of eliminating an HTTP request is usually worth it. For larger images, serving the file directly is more efficient.
Supported formats: PNG, JPEG, GIF, SVG, WebP, ICO, and BMP. All processing runs entirely in your browser — your images are never uploaded to any server.
How Base64 to image conversion works
Base64 to image conversion takes an ASCII-encoded string and decodes it back into binary image data that your browser can display. The tool detects the image format from the data URI header (e.g., data:image/png;base64,) or infers it from the decoded binary data. You can then preview the image and download it in its original format.
Common use cases for Base64 to image conversion
Developers decode Base64 images when debugging API responses that contain embedded images, extracting images from HTML emails or JSON data, inspecting assets embedded in CSS files, and recovering images from database records stored as Base64 strings. It is also useful for previewing images received from web APIs.
Frequently Asked Questions
Do I need to include the data URI prefix when pasting Base64?
No. The tool accepts both full data URIs (starting with data:image/...) and raw Base64 strings. If you paste a raw string, the tool will attempt to detect the image format automatically.
Can I download the decoded image?
Yes. After decoding, you can preview the image and download it in its original format (PNG, JPEG, GIF, etc.) directly from your browser.
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