Free Base64 Encoder

Enter text to convert it to Base64, a common representation for transporting binary data through text-based systems.

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Encode text into Base64 for data transfer, API testing, and developer workflows. Base64 is an encoding, not encryption.

Frequently Asked Questions

When is Base64 used? +

Base64 is commonly used to represent binary data in text-based protocols, API payloads, and data URLs.

Does Base64 make data secure? +

No. Base64 is reversible encoding, not encryption.

Does Base64 increase the output size? +

Yes. Base64 output is usually about one-third larger than the input bytes, before any additional protocol overhead.

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