64

Base64 Encode / Decode

Encode or decode strings using Base64 encoding.

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64 Base64 Encode / Decode

Encode or decode strings using Base64 encoding.

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About the Base64 Encode / Decode

Base64 Encode / Decode converts text and data to and from Base64, a text-safe format used in data URIs, email attachments and APIs.

It's a fast way to encode small pieces of data for transport.

How to use it

  • Paste your text or Base64 string.
  • Choose encode or decode.
  • Copy the result.

Every tool on SEOKeyMaster is 100% free, works right in your browser, and requires no signup or API key. Your data never leaves your device.

Frequently Asked Questions

Is Base64 encryption? ▼
No — it's encoding, not encryption. Anyone can decode it, so don't use it for secrets.
Why is encoded text longer? ▼
Base64 uses about 33% more characters than the original data.
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