Base64 Encoder / Decoder
Encode and decode Base64 strings instantly. Useful for data URLs, API tokens and email attachments.
const tool = {
name: 'Base64 Encoder / Decoder',
type: 'browser-based',
cost: free,
privacy: true,
}
name: 'Base64 Encoder / Decoder',
type: 'browser-based',
cost: free,
privacy: true,
}
How to Use Base64 Encoder / Decoder
01
Paste plain text or a Base64 string
02
Click Encode or Decode
03
Copy the output
Why Use This Tool
100% Private
Your data never leaves your browser. Nothing is uploaded to any server.
Instant Results
Modern browser APIs deliver results in milliseconds with no waiting.
Free Forever
No subscriptions, no credits, no paywalls — ever.
Frequently Asked Questions
What is Base64 used for?
Encoding binary data (images, files) as text for safe transmission via APIs, emails and data URLs.
Does it support Unicode?
Yes — UTF-8 encoded Unicode text is fully supported.
Is it purely client-side?
100% — nothing leaves your browser.
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