Paste the base64 string
Paste a raw base64 string or a full data URL with the image prefix.
Image tools
Base64 to Image Converter
Free online base64 to image converter
Source image
BASE64 IMAGE Local processingPaste a data URL or a raw base64 string. The format is detected automatically from the prefix or the file signature.
Converted preview
Press Ctrl or Command and Enter to run the tool.
About this tool
About this tool
Base64 to Image Converter strips the data URL prefix when present, validates the base64 characters, and sniffs the image type from the leading bytes. The decoded bytes become an image file you can preview and download, optionally re-encoded to PNG, JPEG, or WebP.
Recover an image from a base64 string or data URL, whether you extracted it from an API response, a database field, or a document. Paste the string, and the tool detects the image format from the prefix or file signature, previews the image, and lets you download it.
Built for daily work
- Recover images stored as base64 in databases and exports.
- Extract images from API responses and JSON files.
- Decode data URLs copied from browsers and developer tools.
- Convert pasted base64 into a file for design work.
How to use this tool
How to use this tool
Choose the output format
Keep auto detection, or force PNG, JPEG, or WebP output.
Decode and download
Run the conversion, review the preview, and download the image file.
Key features
Key features
Automatic format detection
The tool reads the data URL prefix and the file signature to identify PNG, JPEG, WebP, or GIF.
Prefix tolerant
Both raw base64 and full data URLs are accepted without manual editing.
Format conversion while decoding
Optionally re-encode the result to PNG, JPEG, or WebP in the same step.
Local decoding
Everything happens in your browser; the string is never transmitted.
Practical use cases
Practical use cases
- Recover images stored as base64 in databases and exports.
- Extract images from API responses and JSON files.
- Decode data URLs copied from browsers and developer tools.
- Convert pasted base64 into a file for design work.
- Inspect what an encoded image actually contains.
Private by default
For local tools, input is processed in your browser and is not sent to application analytics.
Data processing noticeTechnical details
Technical details
ProcessingLocal browser processing
OutputConverted image file, downloaded directly
Maximum local file25 MB per image
Limitations and important notes
Limitations and important notes
- Non-image base64 payloads cannot be converted.
- Corrupted or truncated strings fail validation.
- Very large strings depend on available browser memory.
Frequently asked questions
Frequently asked questions
PNG, JPEG, WebP, and GIF signatures are recognized. Other binary data will not decode as an image.
No. The tool accepts raw base64 and data URLs with the prefix and handles both automatically.
The string may contain whitespace or line breaks (stripped automatically), invalid characters, or data that is not an image.
No. Decoding runs locally in your browser.
Related guides and solutions
Related guides and solutions
What local browser processing means for online tools
A transparent explanation of local tool processing, temporary browser memory, local storage, downloads, analytics boundaries, and cases that require remote services.
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