Free File & Data Tools
Base64 Image Encoder & Decoder
Encode a local image as a data URL or decode an image data URL back into a preview and file.
What this tool does
FileReader and Blob APIs keep both directions inside the current browser tab.
Encode a local image as a data URL or decode an image data URL back into a preview and file.
FileReader and Blob APIs keep both directions inside the current browser tab.
Use the tool
Encode or decode a Base64 image
Choose encode or decode mode and provide an image or data URL.
Image preview appears here
Encode an image to a data URL or decode a data URL back into an image.
How to use it
Three quick steps
- 1Choose encode or decode mode and provide an image or data URL.
- 2Copy the encoded value or download the decoded image.
- 3Verify the result in its real production context. Base64 increases file size and is usually unsuitable for large production images.
Worked example
Example: Base64 Image Encoder/Decoder
Encode a tiny placeholder icon for an isolated prototype.
FAQ
Questions about the base64 image encoder/decoder
Practical details about using the tool and understanding its result.
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