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Base64 Encoder/Decoder
Encode plain text or binary data to Base64 format and decode Base64 strings back to their original content.
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Frequently Asked Questions
Base64 Encoder/Decoder is a free online tool that helps you encode plain text or binary data to Base64 format and decode Base64 strings back to their original content. It runs entirely in your browser — no sign-up or installation required.
Yes, Base64 Encoder/Decoder is completely free. There are no hidden charges, subscriptions, or account requirements. You can use it as many times as you like.
Base64 Encoder/Decoder uses industry-standard algorithms and formulas to ensure accurate results. All calculations are performed locally in your browser for speed and privacy. If you spot an issue, please let us know via the Contact page.