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Base64 Encoder & Decoder (File / Data URI)
Convert any file, image, or document into a Base64 Data URI string, or decode Base64 back into downloadable binary files.
How to use Base64 Encoder & Decoder (File / Data URI)
1
Choose 'File to Base64' to encode or 'Base64 to File' to decode.
2
Upload any local file or paste your Base64 string.
3
Click copy to get the Data URI string or click decode to generate the file.
4
Download your file or embed the code in your website.
Frequently Asked Questions (FAQ)
What is a Base64 Data URI used for?
Base64 allows developers to embed images, icons, and fonts directly into HTML or CSS without requiring separate HTTP network requests.
Is there a file size limit for Base64 conversion?
We recommend files up to 25MB because Base64 strings are ~33% larger than the original raw binary data.