Do I need to include the data URI prefix?

No. You can paste a raw Base64 string or the full data:image/...;base64,... URI—the tool detects the format and decodes either form.

Which image formats are supported?

PNG, JPG, GIF, WebP, BMP, ICO, and SVG are all supported, with the format detected automatically from the decoded data.

Base64 to Image Converter - Free Online Tool

Decode Base64 strings back into images and preview JPG, PNG, GIF, or WebP instantly. Free, secure, client-side processing with one-click download.

Base64 String

Upload

Clear

Image Preview

Result will appear here...

CopyDownload

No image to display

Paste a valid Base64 string to see the preview

How to Convert Base64 to Image

Paste your Base64 string into the input area.

The tool will automatically detect the image format and generate a preview.

View image details like dimensions, size, and format.

Click 'Download' to save the image to your device.

Key Features

Multiple Formats Support

Supports JPG, PNG, GIF, WebP, BMP, ICO, and SVG formats.

Real-time Preview

Instantly see the decoded image as you type or paste.

Detailed Information

Get image dimensions, file size, and MIME type instantly.

Secure & Client-side

All conversions happen in your browser. No data is sent to servers.

FAQ

What is Base64 to Image conversion?

It's the process of decoding a Base64 encoded string back into its original image file format for viewing or editing.

Is it safe to use?

Yes, this tool runs entirely in your browser using JavaScript. Your images are never uploaded to any server.

Why use Base64 for images?

Base64 images are often used to embed small images directly into HTML or CSS to reduce HTTP requests, or for data transmission in JSON APIs.

Paste any Base64 string—with or without a data URI prefix—and this tool instantly decodes it back into a viewable image, outputting a live preview plus the detected MIME type, pixel dimensions, and file size. It supports PNG, JPG, GIF, WebP, BMP, ICO, and SVG, and decoding runs entirely in your browser so your data never reaches a server.

How to Convert Base64 to an Image

1
Paste your Base64 string
Drop the encoded string into the input area—it works with or without the data:image/...;base64, URI prefix.
2
Get an automatic preview
The tool detects the image format from the data and renders a live preview as soon as the string is valid.
3
Inspect the image details
Read the decoded image's dimensions, file size, and MIME type shown alongside the preview.
4
Download the image
Click Download to save the decoded image to your device in its original format.

References

RFC 2397 — The "data" URL scheme
The IETF specification defining the data: URL scheme used to embed Base64-encoded images inline.
MDN — Data URLs
Explains data URL syntax, the base64 token, and how browsers decode embedded image data.

Related Tools

Image to Base64

Encode an image file into a Base64 data URI for inline embedding.

Base64 Encode / Decode

Encode or decode plain text and binary strings to and from Base64.

URL Encode / Decode

Percent-encode or decode URL components and query values.

Frequently Asked Questions

What is Base64 to Image conversion?: It's the process of decoding a Base64 encoded string back into its original image file format for viewing or editing.
Is it safe to use?: Yes, this tool runs entirely in your browser using JavaScript. Your images are never uploaded to any server.
Why use Base64 for images?: Base64 images are often used to embed small images directly into HTML or CSS to reduce HTTP requests, or for data transmission in JSON APIs.
Do I need to include the data URI prefix?: No. You can paste a raw Base64 string or the full data:image/...;base64,... URI—the tool detects the format and decodes either form.
Which image formats are supported?: PNG, JPG, GIF, WebP, BMP, ICO, and SVG are all supported, with the format detected automatically from the decoded data.