What Is Base64?

Published: Oct 19, 2026 | Updated: Oct 19, 2026 | About (Japanese)

Key points

Learn
Use

It is not encryption. Anyone can turn it back.

Steps

Base64 writes a file's contents using only letters, digits and a few symbols.
It is used to embed files in emails or programs.
Convert Files and Base64 converts it instantly.

Use "Convert Files and Base64" (free)

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