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ToolNest AI
Free

Base64 to Image

Convert Base64 strings or Data URIs into downloadable images instantly online for free.

data_objectBase64 String or Data URI
0 chars

Accepted input formats

data_object

Raw Base64

/9j/4AAQSkZJRgAB… (auto-detects JPG, PNG, WebP, GIF, BMP, AVIF, SVG, ICO)

link

Data URI

data:image/png;base64,iVBORw0KGgo… (MIME type read from prefix)

upload_file

.txt File

Drag & drop or upload any .txt file containing a Base64 string or Data URI

Press Ctrl+Enter to convert after pasting

About Base64 to Image

Paste any raw Base64 string or Data URI into the input area and instantly preview the decoded image — with its width, height, file type and exact file size shown. Supports JPG, PNG, WebP, GIF, BMP, AVIF, SVG and ICO. You can also drag & drop or upload a .txt file containing the Base64 string. Download the decoded image or copy the Base64 back to clipboard. Everything runs client-side.

Frequently Asked Questions

Base64 is an encoding scheme that converts binary data into ASCII text. An image stored as Base64 is a long string of letters and numbers that encodes every byte of the original file.

Yes. A Data URI starts with data:image/…;base64, followed by the encoded string. The tool detects this prefix automatically, extracts the MIME type and decodes the image.

JPG, PNG, WebP, GIF, BMP, AVIF, SVG and ICO. The tool auto-detects the format from the Base64 magic bytes or the Data URI MIME type.

Yes. Decoding is done entirely in your browser using the atob() API. No data is ever sent to a server.

Yes, fully free with no account required and no usage limits.

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