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Base64 Encoder & Decoder — 100% Local, Instant
Encode text to Base64 or decode Base64 back to text — instantly and privately. Perfect for developers handling API keys, data-URI images, and email attachments. Nothing leaves your device.
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Base64 Studio Pro
Encode & decode — 100% local
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100% PrivateEverything runs in your browser. Your data never touches a server.
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Instant & FreeNo signup, no paywall, no limits. Fast on any device.
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Questions?Read our About page or contact us — we reply within 24 hours.