Base64 to Image
Decode Base64 text back into downloadable image files.
Decode Base64 text back into downloadable image files.
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Tool guide
Base64 to Image Decoder
Paste an image data URL or a raw Base64 string to preview and download the encoded image data. Full data URLs retain their declared image MIME type, while raw strings are treated as PNG data by this browser-based decoder.
Steps
How it works
- Paste a complete image data URL or raw Base64 text.
- Run the decoder to create an image preview.
- Confirm that the browser can display the encoded data.
- Download the decoded result using the tool's PNG filename.
Highlights
Key features
- Accepts complete data URLs and raw Base64 strings.
- Displays a browser-rendered image preview.
- Uses the MIME type supplied by a complete data URL.
- Creates a downloadable Blob after preview generation.
Use cases
Common uses
- Inspect an image data URL returned by an API.
- Preview Base64 image payloads during development.
- Recover a browser-displayable image from encoded text.
- Check whether an embedded image string is complete enough to render.
Notes
Limitations to know
- Raw Base64 input is assumed to contain PNG image data.
- The download uses a .png filename and the tool does not re-encode arbitrary image data into PNG.
- Invalid, incomplete, or non-image Base64 cannot produce a usable preview.
- Base64 decoding is not decryption and does not improve image quality.
FAQ
Frequently asked questions
Can I paste raw Base64 without a data URL prefix?
Yes. The tool adds a PNG data URL prefix to raw input, so the encoded bytes need to represent browser-displayable PNG data.
Can I decode a JPG data URL?
A complete JPG data URL can be previewed using its declared MIME type, but the current download filename still uses a .png extension and no format conversion occurs.
Why does my Base64 image not appear?
The text may be incomplete, malformed, use the wrong MIME type, or contain data that is not a browser-decodable image.
Does decoding restore lost image quality?
No. Decoding reconstructs the encoded bytes; it does not enhance or repair the image.