Can I encode a whole file, not just text?

Yes, drop any file to get its Base64-encoded data URI, in addition to plain text encode/decode.

Is Base64 encoding the same as encryption?

No, Base64 is a reversible encoding scheme, not encryption, it doesn't protect or hide the data's contents.

Can I decode a Base64 string back to a downloadable file?

Yes, decoding a data URI reconstructs the original file so you can download it.

Does Base64 Converter upload my files to a server?

No. Base64 Converter runs entirely in your browser using on-device processing, your files never leave your device.

Base64 Converter

Encode or decode text and files as Base64.

Runs in your browser

Or encode a file

Drop any file here

Choose File

About this tool

Encoding text or files as Base64 (for embedding, safe text transmission) or decoding Base64 back to its original form is a routine need in web development and data handling. This tool encodes or decodes text and files as Base64, handling both directions of that conversion.

How to use this

1Paste text, or upload a file, to encode.
2Or paste a Base64 string to decode it back.
3Copy the result.

Troubleshooting

Decoding produces garbled output.
Make sure you pasted the complete Base64 string with no missing characters or extra whitespace/line breaks.

Frequently asked questions

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