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File To Base64

Convert File to Base64 text

File → Base64 Converter

How to use​

  1. File Upload

Select a file using the file input (e.g., .txt, .png, .pdf).

The browser reads the file with the FileReader API.

  1. Conversion Process

Click the button to convert file to base64 string.

FileReader.readAsDataURL(file) converts the file into a Base64-encoded string.

The string includes the MIME type and Base64 prefix: