File to Base64

Turn a local file into a Base64 string or Data URI while preserving its bytes. Copy the encoded output or download it for use in text-based systems.

File to Base64
Ready when you are

Add your input, adjust the options and run the tool.

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Runs in your browser
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How to use this tool

01

Add your input

Drop files here, or browse

02

Choose your options

Convert any file into exact Base64 bytes or a ready-to-use Data URI, locally.

03

Inspect and export

Review the processing notes, then copy or download the result. Continue with another tool if needed.

JavaScript Base64 recipes for JSON, files and byte arrays

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Decode standard Base64, Base64URL and Data URIs. Inspect text and raw bytes without losing binary data.

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Convert image images into exact Base64 bytes or a ready-to-use Data URI, locally.

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