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IsekaiKit › Tools

Base64 encode / decode

Type on either side and the other side updates. Emoji, Chinese and Japanese text all work.

What is Base64?

Base64 turns binary data into plain text using 64 safe characters. It's common in data URLs, email attachments, JWTs and API payloads.

Is my data safe?

Yes. Everything runs in your browser. Nothing you paste here is sent to any server.

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