Data URI to Downloadable File
Local ProcessingDecode base64 Data URIs and convert them into downloadable binary or text files.
How It Works & Processing Standards
Decode base64 Data URIs and convert them into downloadable binary or text files.
Tool processing runs in your browser. If you create a calculator or conversion share link, its values are included in the URL. See the privacy policy for account, analytics and advertising data.
Current Limits
- Maximum input length: 100,000 characters
For extracting images or files embedded as Data URIs in HTML, CSS or JSON. You choose the file name, and conversion happens only in your browser.
What You Can Do
- Base64 or text
- Reads both ;base64 and percent-encoded forms.
- MIME kept
- Uses the type after data: for the file.
How to Use Data URI to Downloadable File
- 1Paste the Data URIPaste the string starting with data:.
- 2Name the fileInclude the extension.
- 3DownloadSave the file.
Examples
Text file
Input: data:text/plain;base64,SGVsbG8= / hello.txt
Result: hello.txt (text/plain, content Hello)
Common Use Cases
- Extracting an icon embedded in CSS
- Saving a Data URI file returned by an API
Frequently Asked Questions (FAQ)
What if I only have Base64 without data:?
This tool needs the data: prefix. For bare Base64, use Base64 File → Blob.